George Gaylord Simpson | Academic Influence

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George Gaylord Simpson

Earth Sciences

#12

Historical Rank

earth-sciences Degrees

George Gaylord Simpson

Biology

#29

Historical Rank

Paleontology

#3

Historical Rank

biology Degrees

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Earth Sciences
Biology

George Gaylord Simpson's Degrees

Bachelors Geology University of Colorado Boulder

Why Is George Gaylord Simpson Influential?

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According to Wikipedia, George Gaylord Simpson was an American paleontologist. Simpson was perhaps the most influential paleontologist of the twentieth century, and a major participant in the modern synthesis, contributing Tempo and Mode in Evolution , The Meaning of Evolution and The Major Features of Evolution . He was an expert on extinct mammals and their intercontinental migrations. Simpson was extraordinarily knowledgeable about Mesozoic fossil mammals and fossil mammals of North and South America. He anticipated such concepts as punctuated equilibrium and dispelled the myth that the evolution of the horse was a linear process culminating in the modern Equus caballus. He coined the word hypodigm in 1940, and published extensively on the taxonomy of fossil and extant mammals. Simpson was influentially, and incorrectly, opposed to Alfred Wegener's theory of continental drift, but accepted the theory of plate tectonics when the evidence became conclusive.

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George Gaylord Simpson's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

The Principles of Classification and a Classification of Mammals. (1945) (2397)
Major Features Of Evolution (1954) (1067)
Principles of Animal Taxonomy (1961) (1010)
Tempo and mode in evolution. (1946) (987)
The Meaning of Evolution (1928) (464)
Behavior and evolution (1959) (429)
A Refreshed Orthodox View of Paleobiogeography of South American Mammals@@@Splendid Isolation. The Curious History of South American Mammals (1981) (364)
Mammals and the nature of continents (1943) (334)
THE SPECIES CONCEPT (1951) (302)
Mammals and land bridges (1940) (300)
Species Density of North American Recent Mammals (1964) (297)
A catalogue of the Mesozoic Mammalia in the Geological Department of the British Museum (271)
THE BALDWIN EFFECT (1953) (261)
Genetics, paleontology, and evolution. (1949) (220)
A review of the Archaeoceti (1936) (202)
American mesozoic mammalia (1930) (169)
The age of the Morrison Formation (1926) (153)
CRITERIA FOR GENERA, SPECIES, AND SUBSPECIES IN ZOOLOGY AND PALEOZOOLOGY (1943) (130)
The Nonprevalence of Humanoids. (1964) (129)
Horses: The Story of the Horse Family in the Modern World and Through Sixty Million Years of History. (1951) (121)
Life: an introduction to biology (1957) (118)
Large Pleistocene felines of North America. American Museum novitates ; no. 1136 (1941) (116)
The meaning of evolution : a study of the history of life and of its significance for man (1949) (115)
THE BEGINNING OF THE AGE OF MAMMALS (1937) (107)
Biology and the nature of science. (1963) (107)
MESOZOIC MAMMALS AND THE POLYPHYLETIC ORIGIN OF MAMMALS (1959) (92)
Organisms and Molecules in Evolution Studies of evolution at the molecular level lead to greater understanding and a balancing of viewpoints (1964) (92)
Uniformitarianism. An Inquiry into Principle, Theory, and Method in Geohistory and Biohistory (1970) (82)
Cretaceous Mammal Skulls from Mongolia (1926) (79)
HISTORICAL ZOOGEOGRAPHY OF AUSTRALIAN MAMMALS (1961) (78)
Analysis of some phylogenetic terms, with attempts at redefinition. (1946) (78)
The Tertiary lorisiform primates of Africa (1967) (77)
The Evolutionary Theories of Charles Darwin and Herbert Spencer [and Comments and Replies] (1974) (76)
The beginning of the age of mammals in South America. Part 1, Introduction : Systematics : Marsupialia, Edentata, Condylarthra, Litopterna and Notioprogonia. Bulletin of the AMNH ; v. 91, article 1 (1948) (74)
The Argyrolagidae, extinct South American marsupials (1970) (70)
Types in modern taxonomy (1940) (69)
Sebecus, representative of a peculiar suborder of fossil Crocodilia from Patagonia. Bulletin of the AMNH ; v. 87, article 4 (1946) (65)
Review of fossil penguins from Seymour Island (1971) (61)
The nature and origin of supraspecific taxa. (1959) (61)
Recent Advances in Methods of Phylogenetic Inference (1975) (58)
Penguins: Past and Present, Here and There (1976) (56)
Evolution And Geography (1953) (53)
The “Plagiaulacoid” Type of Mammalian DentitionA Study of Convergence (1933) (53)
New Paleocene mammals from the Fort Union of Montana (1935) (51)
HOW MANY SPECIES? (1952) (51)
Mesozoic Mammalia, IV; the multituberculates as living animals (1926) (47)
New reptiles from the Eocene of South America. American Museum novitates ; no. 927 (1937) (45)
Additions to the fauna of the Gashato Formation of Mongolia (45)
Quantitative zoology : numerical concepts and methods in the study of recent and fossil animals (1939) (44)
The function of saber-like canines in carnivorous mammals. American Museum novitates ; no. 1130 (1941) (43)
The Study of Evolution: Methods and Present Status of Theory (1962) (42)
ORGANISMS AND MOLECULES IN EVOLUTION. (1964) (42)
The mammalian fauna of the Divisadera Largo formation, Mendoza, Argentina, by George Gaylord Simpson, José Luis Minoprio, and Bryan Patterson (1962) (41)
Les Rongeurs du Miocene de l'Afrique Orientale (1974) (41)
Periodicity in vertebrate evolution (1952) (41)
Fossils and the history of life (1983) (41)
Biology and man (1969) (40)
Pleistocene mammalian fauna of the Seminole Field, Pinellas County, Florida. Bulletin of the AMNH ; v. 56, article 8. (39)
The biological nature of man. (1966) (38)
The geology and paleontology of the Elk Mountain and Tabernacle Butte area, Wyoming. Bulletin of the AMNH ; v. 117, article 3 (1959) (37)
The Downtonian Fauna of Norway . I. Anaspida, with a Geological Introduction . By Johan Kiri. Pp. 139, with 50 text figures and 14 plates. Kristiania, 1924, Videnskapsselskapets Skrifter. I. Mat.-Naturv. Klasse. 1924, No. 6. (1925) (35)
DIAGNOSIS OF THE CLASSES REPTILIA AND MAMMALIA (1960) (35)
A new fossil snake from the Notostylops beds of Patagonia. Bulletin of the AMNH ; v. 67, article 1 (1933) (34)
The Deseadan vertebrate fauna of the Scarritt Pocket, Patagonia. Bulletin of the AMNH ; v. 98, article 6 (1952) (34)
Evolution and geography : an essay on historical biogeography with special reference to mammals (1962) (33)
Fossil Sirenia of Florida and the evolution of the Sirenia. Bulletin of the AMNH ; v. 59, article 8. (1932) (33)
Turtles and the origin of the fauna of Latin America (1943) (33)
Allognathosuchus mooki, a new crocodile from the Puerco Formation. American Museum novitates ; no. 445 (32)
Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum novitates ; no. 2820 (1985) (32)
PRIMATE TAXONOMY AND RECENT STUDIES OF NONHUMAN PRIMATES (1962) (32)
Notes on Pleistocene and Recent tapirs. Bulletin of the AMNH ; v. 86, article 2 (1945) (31)
The world into which Darwin led us. (1960) (29)
Mesozoic Mammalia; I, American triconodonts, Pt. 2 (1925) (28)
American terrestrial Rhynchocephalia (1926) (28)
Miocene penguins from Victoria, Australia, and Chubut, Argentina (1970) (28)
A new fauna from the Fort Union of Montana. American Museum novitates ; no. 873 (1936) (27)
Early and middle Tertiary geology of the Gaiman region, Chubut, Argentina. American Museum novitates ; no. 775 (1935) (27)
Notes on some fossil penguins, including a new Genus from Patagonia (1981) (26)
Life Of The Past (1968) (26)
Concession to the Improbable: An Unconventional Autobiography (1978) (26)
Mesozoic mammalia, v; dromatherium and microconodon (1926) (26)
A revision of the Tertiary Multituberculata. Bulletin of the AMNH ; v. 56, article 9. (26)
Mesozoic Mammalia, II; Tinodon and its allies (1925) (26)
Mesozoic Mammalia, VIII; Genera of Lance mammals other than multituberculates (1927) (26)
Why and How: Some Problems and Methods in Historical Biology (1981) (25)
Fossil Penguin from the Late Cenozoic of South Africa (1971) (25)
Mesozoic Mammalia, I; american triconodonts (1925) (25)
Mesozoic Mammalia, IX; the brain of Jurassic mammals (1927) (25)
Addition to knowledge of Groeberia (Mammalia, Marsupialia) from the mid-Cenozoic of Argentina (1970) (24)
Some principles of historical biology bearing on human origins. (1950) (24)
Skulls and brains of some mammals from the Notostylops beds of Patagonia. American Museum novitates ; no.578 (1932) (24)
EARLY AND MIDDLE TERTIARY GEOLOGY OF THE GAIMAN REGION , CHUBUT , ARGENTINA ' BY (23)
THE PHENACOLEMURIDAE, NEW FAMILY OF EARLY PRIMATES (22)
Occurrence and relationships of the Río Chico fauna of Patagonia. American Museum novitates ; no. 818 (1935) (22)
The ear region and the foramina of the cynodont skull (1933) (22)
Descriptions of the oldest known South American mammals, from the Río Chico Formation. American Museum novitates ; no. 793 (1935) (22)
Mammalian fauna of the Hell Creek Formation of Montana. American Museum novitates ; no. 267 (22)
Range as a zoological character (1941) (22)
Physical Oceanography of the Irish Sea.K. F. BowdenComparative Limnology of Eight Colorado Mountain Lakes.Robert W. PennakDie Evolution der Organismen.Gerhard Heberer (1956) (22)
Life of the past : an introduction to paleontology (1953) (21)
The problem of plan and purpose in nature. (1947) (21)
ESSAY‐REVIEW OF RECENT WORKS ON EVOLUTIONARY THEORY BY RENSCH, ZIMMERMANN, AND SCHINDEWOLF (1949) (21)
The Eocene of the San Juan Basin, New Mexico. Part 1 (1948) (21)
The geography of evolution : collected essays (1967) (21)
Stratigraphic nomenclature of the early Tertiary of central Patagonia. American Museum novitates ; no.644 (1933) (20)
Tertiary penguins from the Duinefontein site, Cape Province, South Africa (1979) (20)
The Tiffany fauna, Upper Paleocene. 2, Structure and relationships of Plesiadapis. American Museum novitates ; no. 816 (1935) (20)
Conspectus of Patagonian fossil penguins. American Museum novitates ; no. 2488 (1972) (19)
A new insectivore from the Oligocene, Ulan Gochu horizon, of Mongolia. American Museum novitates ; no. 505 (1931) (19)
Patterns of phyletic evolution (1937) (19)
The Tiffany fauna, Upper Paleocene. 3, Primates, Carnivora, Condylarthra, and Amblypoda. American Museum novitates ; no. 817 (1935) (19)
Supra-Specific Variation in Nature and in Classification from the View- Point of Paleontology (1937) (19)
Measures of dispersion and variability. (1939) (19)
A NEW ADIANTHINE LITOPTERN AND ASSOCIATED MAMMALS FROM A DESEADAN FAUNULE IN MENDOZA , ARGENTINA BY (19)
The beginning of the age of mammals in South America. Part 2, Systematics : Notoungulata, concluded (Typotheria, Hegetotheria, Toxodonta, Notoungulata incertae sedis), Astrapotheria, Trigonostylopoidea, Pyrotheria, Xenungulata, Mammalia incertae sedis. Bulletin of the AMNH ; v. 137 (1967) (19)
Notes on the Clark Fork, Upper Paleocene, fauna. American Museum novitates ; no. 954 (1937) (19)
A fossil collection from northern Venzuela. 1, Toxodontidae (Mammalia, Notoungulata). American Museum novitates ; no. 1850 (1957) (19)
Mesozoic Mammalia, XII; the internal mandibular groove of Jurassic mammals (1928) (19)
Hind limb musculature and habits of a Paleocene multituberculate. American Museum novitates ; no. 333 (19)
A Mesozoic mammal skull from Mongolia (18)
Post-Mesozoic Marsupialia (18)
Australian fossil penguins, with remarks on penguin evolution and distribution (1957) (18)
Pleistocene mammals from a cave in Citrus County, Florida. American Museum novitates ; no. 328 (18)
A Deseado hegetothere from Patagonia (1945) (18)
An ancient eusuchian crocodile from Patagonia. American Museum novitates ; no. 965 (1937) (17)
Vernacular Names of South American Mammals (1941) (17)
Braincasts of Phenacodus, Notostylops, and Rhyphodon. American Museum novitates ; no.622 (1933) (17)
EVOLUTION, INTERCHANGE, AND RESEMBLANCE OF THE NORTH AMERICAN AND EURASIAN CENOZOIC MAMMALIAN FAUNAS (1947) (17)
Pleistocene exploration and fossil edentates in Florida. Bulletin of the AMNH ; v. 59, article 7. (1931) (17)
The status of the study of organisms. (1962) (17)
Discoverers of the Lost World: An account of some of those who brought back to life South American mammals long buried in the abyss of time (1984) (17)
Numerical Taxonomy and Biological Classification. (1964) (17)
Long-Abandoned Views. (1965) (17)
A fossil deposit in a cave in St. Louis. American Museum novitates ; no. 1408 (1949) (16)
Mesozoic Mammalia, XI; Brancatheralum tendagurense Dietrich (1928) (16)
Zoogeography of West Indian land mammals. American Museum novitates ; no. 1759 (1956) (16)
The problem of land connections across the South Atlantic, with special reference to the Mesozoic. Bulletin of the AMNH ; v. 99, article 3 (1952) (15)
Paleocene multituberculates from Mongolia (15)
NOTES ON BRITISH HYRACOTHERES. (1952) (15)
Further notes on Mongolian Cretaceous mammals (14)
A new crocodilian from the Notostylops beds of Patagonia. American Museum novitates ; no.623 (1933) (14)
Mesozoic Mammalia, VI; Genera of Morrison pantotheres (1927) (14)
A new wading bird from the Eocene of Patagonia. American Museum novitates ; no. 1710 (1955) (14)
A collection of Paleocene Mammals from Bear Creek, Montana (1929) (14)
Evolutionary effects of cosmic radiation. (1968) (13)
Methodological Problems in Determining the Aetiology of Suicide (1950) (13)
One Hundred Years without Darwin are Enough (1961) (13)
The Tiffany fauna, Upper Paleocene. 1, Multituberculata, Marsupialia, Insectivora, and ?Chiroptera. American Museum novitates ; no. 795 (1935) (13)
Patterns of evolution, as illustrated by the fossil record (1978) (13)
A new adianthine litoptern and associated mammals from a Deseadan faunule in Mendoza, Argentina. American Museum novitates ; no. 1434 (1949) (13)
Holmesina septentrionalis, extinct giant armadillo of Florida. American Museum novitates ; no. 442 (13)
The fauna of Quarry 9 (1926) (13)
Mammalian fauna and correlation of the Paskapoo Formation of Alberta. American Museum novitates ; no. 268 (13)
The dentition of Ornithorhynchus as evidence of its affinities. American Museum novitates ; no. 390 (12)
Affinities of the Mongolian Cretaceous insectivores (12)
A new notoungulate from the early Tertiary of Patagonia. American Museum novitates ; no. 735 (1934) (12)
Some Problems of Vertebrate Paleontology: The study of fossil vertebrates elucidates the general principles of evolutionary biology. (1961) (12)
A new mammalian fauna from the Fort Union of southern Montana. American Museum novitates ; no. 297 (12)
The role of the individual in evolution (1941) (12)
Osteography of the ear region in monotremes. American Museum novitates ; no. 978 (1938) (12)
A simplified serial sectioning technique for the study of fossils. American Museum novitates ; no. 634 (1933) (12)
A Miocene sloth from southern Chile. American Museum novitates ; no. 1156 (1941) (11)
Journal of occurrences in the Athabasca department by George Simpson, 1820 and 1821, and report (1945) (11)
Additions to the Puerco fauna, Lower Paleocene. American Museum novitates ; no. 849 (1936) (11)
A new insectivore from the Middle Eocene of Tabernacle Butte, Wyoming. American Museum novitates ; no. 1952 (1959) (11)
Provisional classification of extinct South American hoofed mammals. American Museum novitates ; no. 750 (1934) (11)
The Compleat Palaeontologist (1976) (11)
Braincasts of two typotheres and a litoptern. American Museum novitates ; no.629 (1933) (11)
Book Reviews: History of the Primates: An Introduction to the Study of Fossil Man (1949) (11)
Cochilus volvens from the Colpodon beds of Patagonia (1932) (11)
New or little-known ungulates from the Pyrotherium and Colpodon beds of Patagonia. American Museum novitates ; no.576 (1932) (11)
A New Record of Euceratherium or Preptoceras (Extinct Bovidae) in New Mexico (1963) (10)
Evolutionary determinism and the fossil record. (1950) (10)
A NEW EOCENE MARSUPIAL FROM BRAZIL (10)
Notes on Didelphidae (Mammalia, Marsupialia) from the Huayquerian (Pliocene) of Argentina. American Museum novitates ; no. 2559 (1974) (10)
Crossochelys, Eocene horned turtle from Patagonia. Bulletin of the AMNH ; v. 74, article 5. (1938) (10)
Cretaceous mammal skulls from Mongolia. American Museum novitates ; no. 225 (10)
Glossary and correlation charts of North American Tertiary mammal-bearing formations. Bulletin of the AMNH ; v. 67, article 3 (1933) (10)
ARE DROMATHERIUM AND MICROCONODON MAMMALS? (1926) (10)
Enamel on the teeth of an Eocene edentate. American Museum novitates ; no.567 (1932) (10)
A New Fossil Penguin from Australia (1959) (9)
Attending Marvels: A Patagonian Journal (1934) (9)
Mesozoic Mammalia, III; Preliminary comparison of Jurassic mammals except multituberculates (1925) (9)
The Ameghinos' localities for early Cenozoic mammals in Patagonia (1967) (9)
Current Issues in Taxonomic Theory (1965) (9)
AutobiologyThe Growth of Biological Thought. Diversity, Evolution, and Inheritance. Ernst Mayr (1982) (9)
A North American Oligocene Edentate (1927) (9)
Palaeogale and allied early mustelids. American Museum novitates ; no. 1320 (1946) (9)
A NEW OLIGOCENE RODENT GENUS FROM PATAGONIA By ALBERT E (9)
Fossil mammals from the type area of the Puerco and Nacimiento strata, Paleocene of New Mexico. American Museum novitates ; no. 1957 (1959) (9)
New record of a fossil penguin in Australia (1965) (9)
Tertiary penguins from the North Island of New Zealand (1973) (9)
Additions to knowledge of the Argyrolagidae lMammaliac Marsupialiar from the late Cenozoic of Argentina (1970) (9)
Discovery of jaguar bones and footprints in a cave in Tennessee. American Museum novitates ; no. 1131 (1941) (9)
The discovery of fossil vertebrates in North America (1943) (9)
Structure and affinities of Trigonostylops. American Museum novitates ; no.608 (1933) (8)
Remarks on Immunology and Gatarrhine Classification (1971) (8)
The first three billion years of community evolution. (1969) (8)
Mammals from the early Cenozoic of Chubutc Argentina (1970) (8)
Naturalistic ethics and the social sciences. (1966) (8)
The bentonites and closely related rocks of Patagonia. American Museum novitates ; no.630 (1933) (8)
New Reconstruction of Lasanius (1926) (8)
A new Paleocene uintathere and molar evolution in the Amblypoda. American Museum novitates ; no. 387 (8)
A new Paleocene mammal from a deep well in Louisiana (1932) (8)
The supposed Pliocene Pebas beds of the upper Jurua river, Brazil (1961) (8)
Stability in zoological nomenclature. (1971) (8)
Cochilius volvens from the Colpodon beds of Patagonia. American Museum novitates ; no.577 (1932) (8)
The names Mesotherium and Typotherium (1940) (8)
Criteria for vertebrate subspecies, species and genera. (1943) (8)
American Cretaceous insectivores. American Museum novitates ; no. 1541 (1951) (7)
Additions to the Upper Paleocene fauna of the Crazy Mountain field. American Museum novitates ; no. 940 (1937) (7)
Structure of a primitive notoungulate cranium. American Museum novitates ; no. 824 (1936) (7)
Conflict and community : a study in social theory (1937) (7)
The supposed association of dinosaurs with mammals of Tertiary type in Patagonia. American Museum novitates ; no.566 (1932) (7)
American Mesozoic Mammalia, by George Gaylord Simpson. (7)
Some new or little-known mammals from the Colpodon beds of Patagonia. American Museum novitates ; no.575 (1932) (7)
The Cuban edentates. Bulletin of the AMNH ; v. 117, article 1 (1959) (7)
A new xantusiid lizard from the Eocene of Wyoming. American Museum novitates ; no. 1774 (1956) (7)
The mastodonts of Brazil. Bulletin of the AMNH ; v. 112, article 2 (1957) (7)
Fossil birds and evolution (1980) (7)
On Sarles's Views on Language and Communication (1970) (6)
An apatemyid from the early Eocene of New Mexico. American Museum novitates ; no. 1654 (1954) (6)
THE FIRST NATURAL HISTORY MUSEUM IN AMERICA. (1942) (6)
SECTION OF GEOLOGY AND MINERALOGY: Tertiary Land Bridges (1946) (6)
The Phenacolemuridae, new family of early primates. Bulletin of the AMNH ; v. 105, article 5 (1955) (6)
Biologist Philosopher. A study of the life and writings of Alfred Russel Wallace. Wilma George. Abelard Schuman, New York, 1964. xiv + 320 pp. Illus. $6 (1964) (6)
The affinities of the Borhyaenidae. American Museum novitates ; no. 1118 (1941) (6)
Paleocene and Lower Eocene mammals of Europe. American Museum novitates ; no. 354 (6)
Multituberculates in the Wasatch Formation. American Museum novitates ; no. 312 (6)
Readings in Anthropology (1967) (6)
Mammiferes. L'origine des Mammiferes et les aspects fondamentaux de leur evolution. Traite de Paleontologie. Tome VI (2 volumes). Premier volume: Origine reptilienne. Evolution.Jean Piveteau (1963) (6)
Drift theory: antarctica and central Asia. (1970) (5)
The First Mammals (1935) (5)
Skull structure of the Multituberculata. Bulletin of the AMNH ; v. 73, article 8. (1937) (5)
Critique of a New Theory of Mammalian Dental Evolution (1933) (5)
The Eogene of Patagonia. American Museum novitates ; no. 1120 (1941) (5)
An Anglo-Scottish baron of the thirteenth century: the acts of Roger de Quincy, Earl of Winchester and Constable of Scotland (1966) (5)
Checklist of Palaearctic and Indian Mammals,1758 to 1946. J. R. Ellerman and T. C. S. Morrison-Scott. London: British Museum (NaturalHistory), 1951. 810 pp. £3 5s (1952) (5)
Evolution's Two Components: Biological and Cultural (1962) (5)
A new Middle Eocene edentate from Wyoming. American Museum novitates ; no. 1950 (1959) (5)
A Miocene glyptodont from Venezuela. American Museum novitates ; no. 1368 (1947) (5)
Master and Pupil (1967) (5)
Mesozoic mammals, X; Some Triassic mammals (1928) (5)
Charles Darwin's autobiography : with his notes and letters depicting the growth of the Origin of species (1950) (5)
American Eocene didelphids. American Museum novitates ; no. 307 (5)
The Duchesnean fauna and the Eocene-Oligocene boundary (1946) (5)
FACTORS OF EVOLUTIONA Review (1949) (4)
A new marsupial from the Eocene of Patagonia. American Museum novitates ; no. 989 (1938) (4)
Census of Paleocene mammals. American Museum novitates ; no. 848 (1936) (4)
Types and Name-Bearers. (1960) (4)
Unuchinia, new name for Apator Simpson, not Semenow (1937) (4)
Third contribution to the Fort Union fauna at Bear Creek, Montana. American Museum novitates ; no. 345 (4)
A Carib (Kamarakoto) Myth from Venezuela (1944) (4)
VII .-PLEISTOCENE EXPLORATION AND FOSSIL EDENTATES IN FLORIDA BY (4)
A Nevada fauna of Pleistocene type and its probable association with man. American Museum novitates ; no. 667 (1933) (4)
The Genesis of Cancer (1962) (4)
Ages of Fossil Penguins in New Zealand (1970) (4)
THE SCARRITT EXPEDITIONS OF THE AMERICAN MUSEUM OF NATURAL HISTORY, 1930-34. (1934) (4)
On Randomness and Determinism: Discussion (1970) (4)
Tertiary land mammals of Florida. Bulletin of the AMNH ; v. 59, article 3. (4)
A REVIEW OF MASTEROMETRY (1965) (4)
A new Eocene marsupial from Brazil. American Museum novitates ; no. 1357 (1947) (4)
Mesozoic Mammalia; Part VII, Taxonomy of Morrison multituberculates (1927) (4)
Affinities of the Polydolopidae. American Museum novitates ; no. 323 (4)
Biology and the public good. (1967) (4)
Note on the Classification of Recent and Fossil Opossums (1935) (4)
The Eocene of the San Juan Basin, New Mexico; Part 2 (1948) (4)
A GIANT RODENT FROM THE OLIGOCENE OF SOUTH DAKOTA BY GEORGE GAYLORD SIMPSON (4)
Fossil Brains: Cerveaux d'Animaux Disparus . Colette Dechaseaux. Masson, Paris, 1962. 148 pp. Illus. NF. 25. (1963) (4)
Problèmes Actuels de Paléontologie. Éditions du Centre National de la Recherche Scientifique, Paris, 1962. 475 pp. Illus. NF. 62 (1963) (4)
Class Analysis: What Class is Not (1939) (3)
Affinities of the Mongolian Cretaceous insectivores. American Museum novitates ; no. 330 (3)
Some Cretaceous Mammals from the Lance formation (1929) (3)
Evolution and extinction rate controls. A.J. Boucot, 1975. Developments in Paleontology and Stratigraphy, 1. Elsevier, Amsterdam/Oxford/New York, xv + 427 pp., 42 text figs., 3 plates, Dfl. 110.00, US $ 42.50 (1975) (3)
Development of a fluidized-bed calciner and past-treatment processes for solidification of commercial fuel-reprocessing liquid wastes (1977) (3)
Interpretations of DNA. (1966) (3)
Mounted skeletons of Eohippus, Merychippus and Hesperosiren. American Museum novitates ; no. 587 (1932) (3)
A continental Tertiary time chart (1947) (3)
Trends in research and the Journal of Paleontology (1950) (3)
A giant rodent from the Oligocene of South Dakota. American Museum novitates ; no. 1149 (1941) (3)
A Fossil-collecting Campaign in New Mexico. (1948) (3)
The Dentition of the Australopithecinae . Transvaal Museum Memoir No. 9. J. T. Robinson. Transvaal Museum, Pretoria, 1956. 179 pp. Illus. (1957) (3)
Note on the measurement of variability and on relative variability of teeth of fossil mammals. (1947) (3)
A Miocene tortoise from Patagonia. American Museum novitates ; no. 1209 (1942) (3)
Further notes on Mongolian Cretaceous mammals. American Museum novitates ; no. 329 (3)
Skeletal remains and restoration of Eocene Entelonychia from Patagonia. American Museum novitates ; no. 826 (1936) (3)
Note on the Fort Ternan beds of Kenya (1965) (3)
IV.—On the cynodont reptile Tribolodon frerensis, Seeley (1927) (3)
A new Oligocene insectivore. American Museum novitates ; no. 1150 (1941) (3)
Paleocene multituberculates from Mongolia. American Museum novitates ; no. 331 (3)
A Mesozoic mammal skull from Mongolia. American Museum novitates ; no. 201 (3)
Comment on cylindrical structures in sandstone, by J. E. Hawley and R. C. Hart (1935) (3)
Handbook of Paleontological Techniques. Bernhard Kummel and David Raup, Eds. Freeman, San Francisco, 1965. xii + 852 pp. $18 (1965) (2)
Obituary, Sir Arthur Smith Woodward (1944) (2)
Prologue: Historical biology and physical anthropology (1981) (2)
Are Nonflying Wings Functionless (1950) (2)
Geography of Land and Freshwater Vertebrates (1958) (2)
For and Against Uniform Endings in Zoological Nomenclature (1952) (2)
Mounted skeleton and restoration of an early Paleocene mammal. American Museum novitates ; no. 1155 (1941) (2)
THIRD SCARRITT EXPEDITION OF THE AMERICAN MUSEUM OF NATURAL HISTORY. (1936) (2)
The spirit of system: Lamark and evolutionary biology. By Richard W. Burkhardt, Jr. Harvary University Press, Cambridge, Massachusetts. 1977. 285 pp., figures, bibliography, index. $16.50 (cloth) (1978) (2)
The Triumph of the Darwinian Method. Michael T. Ghiselin. University of California Press, Berkeley, 1969. x + 290 pp., illus. $7.50 (1970) (2)
Some Carib Indian mammal names (1941) (2)
A standard frequency distribution method. American Museum novitates ; no. 1190 (1942) (2)
Mongolian mammal names (1938) (2)
Quantitative Zoology. Numerical Concepts in the Study of Recent and Fossil Animals (1940) (2)
The species of Hoplophoneus. American Museum novitates ; no. 1123 (1941) (2)
Carsioptychus, new name for Plagioptychus Matthew, nec Matheron (1936) (2)
The Art of the Soluble. P. B. Medawar. Methuen, London; Barnes and Noble, New York, 1967. 160 pp. $4.50 (1967) (2)
Additions to the Pleistocene of Florida. American Museum novitates ; no. 406 (2)
Evolution and education. (1975) (2)
The Species Concept in Palaeontology . Systematics Association publication No. 2: A symposium. P. C. Sylvester- Bradley, Ed. Systematics Association, London, 1956. 145 pp. Illus. $2. (1957) (2)
The supposed occurrences of Mesozoic mammals in South America. American Museum novitates ; no.530 (1932) (2)
Book Reviews: Some Extinct Elephants, Their Relatives and the Two Living Species. Ceylon National Museums Publication (1956) (2)
Evolution up to date. (1950) (2)
A STANDARD FREQUENCY DISTRIBUTION METHOD BY (2)
The Mammalia of the Duchesne River Oligocene. Transactions of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, New Series-Volume XXXIV, Part III.William B. Scott (1946) (2)
Symposium: Do We Need More Becoming Words (1953) (2)
SYMPOSIUM ON EVOLUTION HELD IN SPAIN (1956) (2)
The most ancient evidences of disease among South American mammals. American Museum novitates ; no.543 (1932) (2)
Journal of Occurrences in the Athabasca Department (1939) (2)
G. G. Simpson's recollections of W. D. Matthew (1986) (2)
End of an Era in Biology (1965) (2)
Origin of Mammalian Faunas as Illustrated by that of Florida (1931) (2)
A GIANT RODENT FROM THE OLIGOCENE. (1941) (2)
A new link in the ancestry of the horse. American Museum novitates ; no. 131 (2)
AN EOCENE SERRANID FROM PATAGONIA ' BY BOBB SCHAEFFER (2)
Barzun: The Glorious Entertainer (1964) (2)
Probability and reliability. (1939) (2)
Good Enough for Moses? (1966) (2)
Menatotherium, eocene mammal from France. (1948) (2)
A specimen of the Upper Cretaceous multituberculate Meniscoëssus. American Museum novitates ; no. 825 (1936) (1)
CHAPTER VIII. Trends and Orientation (1953) (1)
Background to Evolution in Africa. Proceedings of the symposium "Systematic Investigation of the African Later Tertiary and Quaternary," Burg-Wartenstein, Austria, July-Aug. 1965. Walter W. Bishop and J. Desmond Clark, Eds. University of Chicago Press, Chicago, 1967. 935 pp., illus. $27.50 (1968) (1)
SPACE FLIGHTS AND BIOLOGY. (1964) (1)
Individual Adaptation. (Book Reviews: Man Adapting) (1966) (1)
The First Mammals (1935) (1)
The Long Road to Man. Robert L. Lehrman. Basic Books, New York, 1961. 200 pp. Illus. $3.95 (1961) (1)
The Orion Book of Evolution . Jean Rostand (translated from L'Évolution by Rebecca Abramson). Orion Press, New York, 1961. 105 pp. Illus. $6.95. (1961) (1)
Book Reviews: Just before Darwin: Robert Chambers and "Vestiges." (1959) (1)
Exhibit dismay (1981) (1)
A Synthesis of Evolutionary Theory. Herbert H. Ross. Prentice-Hall, Englewood Cliffs, N.J., 1962. xii + 387 pp. Illus. Trade ed., $10; text ed., $7.50 (1962) (1)
Footnote to the Discussion of Rosa's Theories by Baroni-Urbani (1978) (1)
Evolutionary Biology (1972) (1)
Man Among the Primates (1960) (1)
THE CASE HISTORY OF A SCIENTIFIC NEWS STORY. (1940) (1)
The Problem of the Great Ross Barrier: Discussion (1948) (1)
A review of the pre-Pliocene penguins of New Zealand. Bulletin of the AMNH ; v. 144, article 5 (1971) (1)
The Antecedents of Man. An introduction to the evolution of the primates. W. E. Le Gros Clark. Quandrangle Books, Chicago, Ill., 1960. 374 pp. Illus. $6 (1960) (1)
A BASIC WORK ON EVOLUTIONARY THEORY (1961) (1)
Evolution of the Horse Brain. Tilly Edinger (1948) (1)
International Conference on the Earth Sciences. (Book Reviews: Advances in Earth Science) (1966) (1)
THE GENETIC BASIS OF SELECTION (1958) (1)
An Eocene serranid from Patagonia. American Museum novitates ; no. 1331 (1947) (1)
Types and properties of numerical data. (1939) (1)
A MIOCENE SLOTH FROM SOUTHERN CHILE BY GEORGE GAYLORD SIMPSON (1)
Some Carib Indian mammal names. American Museum novitates ; no. 1119 (1941) (1)
Two new records from the Bridger middle Eocene of Tabernacle Butte, Wyoming. American Museum novitates ; no. 1966 (1959) (1)
Vertebrate Paleontology.Alfred Sherwood Romer (1946) (1)
Evolutionary Genetics@@@Genetics and the Origin of Species. (1952) (1)
Obituary, William Berryman Scott [1858-1947] (1948) (1)
RESEARCH IN VENEZUELA. (1939) (1)
The Cochlea in Multituberculates (1968) (1)
Added comments on "The Nonprevalence of Humanoids" (1973) (1)
Book Review:Traite de Paleontologie. Tome VI (en deux volumes): Mammiferes, Evolution. Deuxieme Volume. Jean Piveteau (1959) (1)
Man, Still the Unknown. (1958) (1)
William King Gregory 1876–1970 (1971) (1)
A Classification of Living Animals. Lord Rothschild. Longmans, Green, London; Wiley, New York, 1961. vii + 106 pp. $4.75 (1961) (1)
Heredity and the Nature of Man. Theodosius Dobzhansky. Harcourt, Brace, and World, New York, 1964. x + 179 pp. $4.75 (1965) (1)
A new Jurassic mammal. American Museum novitates ; no. 943 (1937) (1)
The Life of Vertebrates . J. Z. Young. New York: Oxford Univ. Press, 1950. 767 pp. $8.50. (1951) (1)
The Art of Organic Forms. Philip C. Ritterbush. Smithsonian Institution Press, Washington, D.C., 1968 (distributed by Random House, New York). x + 152 pp., illus. $10 (1969) (1)
Vertebrate Speciation.W. Frank Blair (1961) (1)
Genetic Composition and Cultural Structure. (1962) (1)
Continents in the Age of Mammals (1949) (1)
A Basic Work on Evolutionary Theory@@@Evolution Above the Species Level (1961) (1)
The act of creation — Arthur Koestler (1966) (1)
Book Review:Hystricomorph Rodents from the Late Miocene of Colombia, South America. Robert W. Fields (1959) (1)
Ages of experimental animals. (1966) (1)
A List of the Names Proposed for Genera and Subgenera of Recent Mammals. From the publicationof T. S. Palmer's Index Genera Mammalium 1904 tothe end of 1951. L. R. Conisbee. London: BritishMuseum (Natural History), 1953. 109 pp. 1£ (1954) (1)
Section of Medical Sociology (1935) (1)
Atas de Paléogéographie. Henri and Geneviéve Termier. Masson, Paris, 1960. 99 pp. Illus. NF. 16 (1960) (1)
On the Term Brachydont (1969) (1)
Some Extinct Elephants, Their Relatives and the Two Living Species . Ceylon National Museums Publication. P. E. P. Deraniyagala. Ceylon National Museum, Ceylon, 1955. 161 pp. Illus. + plates. $3. (1956) (1)
An Introduction to Dialectical Materialism: The Marxist World-View. (1936) (1)
COMPARATIVE SCIENTIFIC STRENGTH OF UNIVERSITIES. (1945) (1)
The Human Animal@@@The Story of Man@@@Man Makes Himself@@@The Meaning of Evolution (1956) (1)
Lower Tertiary formations and vertebrate faunas of the San Juan Basin (1950) (1)
A New Sciuravid Rodent of the Genus Pauromys from the Eocene of Wyoming (1)
Methods and Principles of Systematic Zoology . Ernst Mayr, E. Gorton Linsley, and Robert L. Usinger. New York-London: McGraw-Hill, 1953. 328 pp. Illus. $6.00 (1953) (1)
Ownership of Separates (1939) (1)
Notes on Graphic Biometric Comparison of Samples (1945) (1)
Comparisons of samples. (1939) (1)
TENDANCES ACTUELLES DE LA SYSTEMATIQUE DES MAMMIFERES (1954) (1)
Earth history at the century mark of the U.S. Geological Survey. (1979) (1)
On Eschewing Teleology. (1959) (1)
Structure and Habit in Vertebrate Evolution . G. S. Carter. University of Washington Press, Seattle, 1967. xvi + 520 pp., illus. $9.50 (1968) (1)
Tathiodon, new genus, to replace Tanaodon Simpson non Kirk; a correction (1927) (1)
Book Reviews: The Species Concept in Palaeontology. Systematics Association Publication No. 2: A Symposium (1957) (0)
Meanings of Reductionism: Studies in the Philosophy of Biology . Reduction and Related Problems. Proceedings of a conference, Bellagio, Italy, Sept. 1972. Francisco José Ayala and Theodosius Dobzhansky, Eds. University of California Press, Berkeley, 1975. xx, 390 pp., illus. $22.50. (1975) (0)
Notes on the Scientific Work of the British Graham Land Expedition, 1934-37: Discussion (1938) (0)
The Liassic Therapsid Oligokyphus . Walter Georg Kühne. British Museum (Natural History), London, 1956. x + 149 pp. Illus. + plates. £4. (1957) (0)
5 – Some Bits Of Biometry (1980) (0)
Drift Theory: Antarctica and Central Asia (1970) (0)
Letter to H.B. Stenzel from George Gaylord Simpson on 1950-12-11 (1950) (0)
4 – Systematics and Taxonomy (1980) (0)
Response : Nature of Science (1963) (0)
CHAPTER VII. The Evolution of Adaptation (1953) (0)
Environmental Effects from Disposal of Defense High-Level Radioactive Wastes in a Generic Geologic Repository (1980) (0)
Book Reviews: The Development of Titrimetric Analysis till 1806 (1958) (0)
Life: an introduction to biology / George Gaylord Simpson (1965) (0)
Fossil penguins. Bulletin of the AMNH ; v. 87, article 1 (1946) (0)
Organic Evolution: Processes of Organic Evolution . By G. Ledyard Stebbins. Prentice-Hall, Englewood Cliffs, N.J., 1966. 191 pp., $2.50. (1966) (0)
2 – Morphology, Homology, and Function (1980) (0)
Letter to H.B. Stenzel from George Gaylord Simpson on 1950-10-30 (1950) (0)
History of the Primates: An Introduction to the Study of Fossil Man . W. E. Le Gros Clark. London: British Museum (Natural History), 1949. Pp. 117. (Illustrated.) 2s 6d. (1949) (0)
Economics and Social Sciences. (Book Reviews: Communist China and Asia: Challenge to American Policy; People, Jobs and Economic Development. A case history of Puerto Rico supplemented by recent Mexican experiences) (1960) (0)
Olduvai Gorge 1951–61: Foreword (1965) (0)
Studies on the earliest primates. Bulletin of the AMNH ; v. 77, article 4. (1940) (0)
The Wellsprings of Life. Isaac Asimov. Abelard-Schuman, New York, 1961. 238 pp. Illus. $3.75 (1961) (0)
Evolution, mammals, and southern continents: Allen Keast, Frank C. Erk and Bentley Glass (Editors). State University of New York Press, Albany, N.Y., 1972, 543 pp., 72 text figures, 23 tables, U.S. $17.50 (1973) (0)
Anurans from the early Tertiary of Patagonia. Bulletin of the AMNH ; v. 93, article 2 (1949) (0)
Book Reviews: Morphological Integration (1958) (0)
Ecological Viewpoint: A Synthesis of Evolutionary Theory . Herbert H. Ross. Prentice-Hall, Englewood Cliffs, N.J., 1962. xii + 387 pp. Illus. Trade ed., $10; text ed., $7.50. (1962) (0)
Chapter II: Determinants of Evolution (1984) (0)
Response : Genetic Composition and Cultural Structure (1962) (0)
3 – Paleoecology and Faunal Analysis (1980) (0)
Zoology of Old Maps (1969) (0)
Biophilosophy. By Bernhard Rensch. xi + 377 pp., bibliography, indices. Columbia University Press, New York. 1971. $12.50 (cloth) (1972) (0)
The "Argiles fissilaires," a series of opal-bearing rocks of Patagonia. American Museum novitates ; no.687 (1934) (0)
Characterization of vitrified ICPP alumina waste calcine (1980) (0)
The Story of Life . H. E. L. Mellersh. Putnam's, New York, American ed. 1, 1958. 263 pp. Illus. $3.95. (1958) (0)
Morphological Integration . Everett C. Olson and Robert L. Miller. University of Chicago Press, Chicago, 1958. xv+317 pp. Illus. $10. (1958) (0)
Nature of Science (1963) (0)
Premature citations of zoological nomina. (1968) (0)
The Case History of a Scientific News Story (1940) (0)
Organic Evolution (1966) (0)
Analysis of environmental effects from disposal of solidified ICPP high-level wastes (1979) (0)
The normal curve. (1939) (0)
Just before Darwin: Robert Chambers and "Vestiges." Milton Millhauser. Wesleyan University Press, Middletown, Conn., 1959. ix + 246 pp. Illus. $4.50. (1959) (0)
Journal of Occurrences in the Athabasca Department by George Simpson, 1820 and 1821, and Report.@@@Colin Robertson's Correspondence Book, September 1817 to September 1822. (1942) (0)
Book Review:Fossils and Progress. Paleontology and the Idea of Progressive Evolution in the Nineteenth Century. Peter J. Bowler (1977) (0)
The American Museum of Natural History (1945) (0)
Paleontology: Handbook of Techniques: Handbook of Paleontological Techniques . Bernhard Kummel and David Raup, Eds. Freeman, San Francisco, 1965. xii + 852 pp. $18. (1965) (0)
EVOLUTIONARY GENETICS (1952) (0)
Dispositif de commande de lumiere (1979) (0)
An adversary view of sociobiology. (1977) (0)
Topography and Weather in the Antarctic: Discussion (1948) (0)
Response : Life on Other Planets: Some Exponential Speculations (1964) (0)
On Science and Scientists: The Art of the Soluble . P. B. Medawar. Methuen, London; Barnes and Noble, New York, 1967. 160 pp. $4.50. (1967) (0)
1 – The Fossil Record (1980) (0)
Interpretations of DNA (1966) (0)
VIII .-PLEISTOCENE MAMMALIAN FAUNA OF THE SEMINOLE FIELD , PINELLAS COUNTY , FLORIDA (0)
Metacheiromys and the Edentata. Bulletin of the AMNH ; v. 59, article 6. (1931) (0)
SUMMER PHYTOPLANKTON AT COOS BAY, OREGON (1961) (0)
IV .-STUDIES ON THE EARLIEST PRIMATES BY GEORGE GAYLORD SIMPSON (0)
IX .-A REVISION OF THE TERTIARY MULTITUBERCULATA (0)
Biologist and Generalist: Memories . Julian Huxley. Harper and Row, New York, 1971. 296 pp., illus. $8.95. (1971) (0)
Article VIII.-FOSSIL SIRENIA OF FLORIDA AND THE EVOLUTION OF THE SIRENIA BY GEORGE (0)
A new species of Eodelphis cutleri from the Belly River Formation of Alberta (0)
The Antecedents of Man . An introduction to the evolution of the primates. W. E. Le Gros Clark. Quandrangle Books, Chicago, Ill., 1960. 374 pp. Illus. $6. (1960) (0)
Measures of central tendency. (1939) (0)
CHAPTER IX. Extinction, Relicts, and Irreversibility (1953) (0)
Mammalian Fauna. (Scientific Books: The Mammalian Fauna of the White River Oligocene. Trans. Amer. Phil. Soc.; Insectivora and Carnivora) (1941) (0)
Organization: The Art of Organic Forms . Philip C. Ritterbush. Smithsonian Institution Press, Washington, D.C., 1968 (distributed by Random House, New York). x + 152 pp., illus. $10. (1969) (0)
Late Cretaceous and early Cenozoic in the San Juan Basin (1960) (0)
Minicontinent. (Book Reviews: Biogeography and Ecology in Madagascar) (1973) (0)
SouthAmerican MammalZoogeography: Evidence fromConvergent Evolution inDesert Rodents (1975) (0)
Response : Space Flights and Biology (1964) (0)
No New Look at Mammals Synapsida: A New Look into the Origin of Mammals John C. McLoughlin (1982) (0)
Are nonflying sings functionless? (1950) (0)
What would happen if high-level nuclear wastes were stored near the surface of the earth (1979) (0)
A new classification of mammals. Bulletin of the AMNH ; v. 59, article 5. (1931) (0)
WALTER GRANGER. (1941) (0)
The Origin of Vertebrates . N. J. Berrill. Oxford Univ. Press, Oxford, 1955. viii + 257 pp. Illus. $4. (1955) (0)
Alfred Russel Wallace: Biologist Philosopher . A study of the life and writings of Alfred Russel Wallace. Wilma George. Abelard Schuman, New York, 1964. xiv + 320 pp. Illus. $6. (1964) (0)
Holiday Science Lectures: Heredity and the Nature of Man . Theodosius Dobzhansky. Harcourt, Brace, and World, New York, 1964. x + 179 pp. $4.75. (1965) (0)
Introduction to dialectical materialism : the Marxist world-view ; sixteen lectures delivered at the Sun Yat-Sen University, Moscow (1936) (0)
Vertebrate Zoology: Structure and Habit in Vertebrate Evolution . G. S. Carter. University of Washington Press, Seattle, 1967. xvi + 520 pp., illus. $9.50. (1968) (0)
From Galaxies to Man . John Pfeiffer. Random House, New York, 1959. 184 pp. $3.95. (1959) (0)
Mongolian mammal names. American Museum novitates ; no. 980 (1938) (0)
Nonsystematists' Systematics: A Classification of Living Animals . Lord Rothschild. Longmans, Green, London; Wiley, New York, 1961. vii + 106 pp. $4.75. (1961) (0)
Frequency distributions and grouping. (1939) (0)
Palaeontological galaxy (1978) (0)
The origin of life, by natural causes (1972) (0)
Small samples and single specimens. (1939) (0)
Are Nonflying Wings Functionless? (1950) (0)
Patterns of frequency distributions. (1939) (0)
Vertebrate Paleontology: Problèmes Actuels de Paléontologie . Éditions du Centre National de la Recherche Scientifique, Paris, 1962. 475 pp. Illus. NF. 62. (1963) (0)
Taxonomy, Molecular Biology, and the Peck Order@@@Principles of Animal Taxonomy. (1961) (0)

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