John A. Ryder | Academic Influence

John A. Ryder's AcademicInfluence.com Rankings

John A. Ryder

Biology

#19090

Historical Rank

Zoology

#1394

Historical Rank

biology Degrees

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Biology

John A. Ryder's Degrees

PhD Biology University of California, Berkeley
Masters Zoology Stanford University
Bachelors Marine Biology University of California, Santa Barbara

Why Is John A. Ryder Influential?

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According to Wikipedia, John Adam Ryder , was an American zoologist and embryologist. He worked for the United States Fish Commission from 1880 to 1886 and Professor of Comparative Embryology at the University of Pennsylvania from 1886 to 1895.

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John A. Ryder'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

A contribution to the embryography of osseous fishes, with special reference to the development of tha cod (Gadus Morrhua) (27)
On the development of viviparous osseous fishes (23)
On a Tumor in the Oyster (14)
Development of the silver gar ( Belone longirostris ), with observations on the genesis of the blood in embryo fishes, and a comparison of fish ova with those of other vertebrates (10)
THE PROTOZOAN PARASITES OF THE OYSTER. (1883) (7)
REARING OYSTERS FROM ARTIFICIALLY IMPREGNATED EGGS. (1883) (7)
On certain features of the development of the salmon (7)
Structure and Ovarian Incubation of Gambusia Patruelis, a Top-Minnow (1882) (7)
A NEW SYSTEM OF OYSTER-CULTURE. (1885) (6)
An Account of a New Genus of Minute Pauropod Myriapods (1879) (5)
Description of a new species of Chirocephalus (1879) (4)
On the anatomy and relations of the Eurypharyngidae (1883) (4)
The pedunculated lateral-line organs of Gastrostomus. (1884) (4)
Genera of the Scolopendrellidae (4)
The Eye, Ocular Muscles and Lachrymal Glands of the Shrew-Mole (Blarina talpoides Gray) (4)
The Unpaired Fins of Selachians (1886) (4)
List of the North American species of myriapods belonging to the family of the Lysiopetalidae, with a description of a blind form from Luray Cave, Virginia (4)
On the Forces which Determine the Survival of Fish Embryos (4)
OYSTER-CULTURE IN HOLLAND. (1883) (4)
REARING OYSTERS FROM ARTIFICIALLY FERTILIZED EGGS AT STOCKSTON, MD. (1883) (3)
A DYNAMICAL HYPOTHESIS OF INHERITANCE (II.). (1895) (3)
The Lateral Line Organs and the Hyaline Tissues of the Head of the Shad (3)
The fisheries and fishery industries of the United States. Prepared through the co-operation of the commissioner of fisheries and the superintendent of the tenth census (3)
SUCCESS IN HATCHING THE EGGS OF THE COD. (1886) (3)
HATCHING, REARING, AND TRANSPLANTING LOBSTERS. (1886) (3)
The swimming-habits of the sunfish. (1885) (3)
Diagnoses of new genera of nemichthyoid eels (3)
The Polar Differentiation of Volvox, and the Specialization of Possible Anterior Sense-Organs (1889) (3)
On Like Mechanical (Structural) Conditions as Producing Like Morphological Effects (1878) (3)
The use and spelling of terms, and some facts in embryology. (1884) (3)
XLII.—On the mechanical genesis of the scales of fishes (1893) (2)
Notice of a new Pauropod (1879) (2)
The Gemmule vs. The Plastidule as the Ultimate Physical Unit of Living Matter (1879) (2)
On the Destructive Nature of the Boring Sponge, with Observations on its Gemmules or Eggs (1879) (2)
V.—The microscopic sexual characteristics of the American, Portuguese, and common edible oyster of Europe compared (1883) (1)
THE LAW OF NUCLEAR DISPLACEMENT, AND ITS SIGNIFICANCE IN EMBRYOLOGY. (1883) (1)
The Resting Position of the Oyster—A Correction (1885) (1)
Holman's new compressorium and moist chamber (1880) (1)
Primitive visual organs. (1883) (1)
A DYNAMICAL HYPOTHESIS OF INHERITANCE. (1)
The Origin of Sex Through Cumulative Integration, and the Relation of Sexuality to the Genesis of Species (1)
On Some of the Protective Contrivances Developed by and in Connection with the Ova of Various Species of Fishes (1)
Energy as a Factor in Organic Evolution (1)
On the Laws of Digital Reduction (1877) (1)
On the literature and systematic relations of the saccopharyngoid fishes (1)
On the fore and aft poles, the axial differentiation, and a possible anterior sensory apparatus of Volvox minor (1889) (0)
The Swimming-Habits of the Sunfish (1885) (0)
Oyster-Culture in Holland (1883) (0)
Additional observations on the retardation of the development of the ova of the shad (0)
Report of T. B. Ferguson, commissioner of fisheries of Maryland, January 1881. (0)
A Geometrical Representation of the Relative Intensity of the Conflict between Organisms (1892) (0)
Notes on the Breeding, Food and Cause of the Green Color of the Oyster (0)
The Structure, Affinities and Species of Scolopendrella (0)
Primitive Visual Organs (1883) (0)
The Holman lantern microscope (1883) (0)
The Mechanical Genesis of the Form of the Fowl's Egg (0)
The Phylogeny of the Sweat-Glands (0)
The Pedunculated LateralLline Organs of Gastrostomus (1884) (0)
Morphological notes on the limbs of the amphiumidœ, as indicating a possible synonymy of the supposed genera (1879) (0)
A Physiological Theory of the Calcification of the Skeleton (0)
LETTERS TO THE EDITOR. (0)
A New System of Oyster-Culture (1885) (0)
On the chlorophylloid granules of Vorticella (0)
Metamorphosis of Homarus americanus (1886) (0)
The Functions and Histology of the Yolk-Sack of the Young Toad-Fish (0)
Volume Information (1887) (0)
On the value of the fin-rays and their characteristics of development in the classification of the fishes, together with remarks on the theory of degeneration (0)
Volume Information (1886) (0)
Proceedings of Scientific Societies (1893) (0)
Development of the Membrane-Bones of the Skull of the Pike (1883) (0)
On Camaraphysema , a new type of sponge (0)
On the Cause of the Greening of the Oyster and Its Presumed Algous Endoparasites (0)
Ryder's Observations on Embryo Fishes (1884) (0)
DEVELOPMENT OF THE MEMBRANE-BONES OF THE SKULL OF THE PIKE. (1883) (0)
Proofs of the Effects of Habitual Use in the Modífication of Animal Organisms (0)
System of Diseases of the Eye (1897) (0)

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