Journal of Morphology 34 (1920)

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I have decided to take early retirement in September 2020. During the many years online I have received wonderful feedback from many readers, researchers and students interested in human embryology. I especially thank my research collaborators and contributors to the site. The good news is Embryology will remain online and I will continue my association with UNSW Australia. I look forward to updating and including the many exciting new discoveries in Embryology!

Journal of Morphology 34 (1920)

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Historic Journals: Amer. J Anat. | Am J Pathol. | Anat. Rec. | J Morphol. | J Anat. | J Comp. Neurol. | Johns Hopkins Med. J | Ref. Handb. Med. Sci. | J Exp. Zool.
Links: Historic Journals | Historic Embryology Papers

Founded by C. O. Whitman

Gaby X. Calkins

Columbia University

E. G. CONKLIN

Princeton University

C. A. KOFOID

University of California


MANAGING EDITOR

C. E. McCLUNG

ASSOCIATE EDITORS

J. S. KiNGSLEY

University of Illinois

M. F. GUYER

University of Wisconsin

F. R. LiLLIE

University of Chicago


Wm. Fatten

Dartmouth College

W. M. Wheeler

Bussey Institute, Harvard University

J. T. Patterson

Universitv of Texas


VOLUME 34

JUNE, SEPTEMBER, DECEMBER 1920


THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY

PHILADELPHIA

https://archive.org/details/journalofmorphol34wist/page/n6


Contents

No. 1. JUNE

Ethel Browne Harvey. A review of the chromosome numbers in the Metazoa. Part II I

Jos6 F. NoNiDEZ. The meiotic phenomena in the spermatogenesis of Blaps, with special reference to the X-complex. Eighty-six figures 69

Edward L. Rice. The development of the skull in the skink, Eumeces quinquelineatus L. I. The chondrocranium. Twelve plates (thirty-three figures) 119


No. 2. SEPTEMBER

W. Harold Leigh-Sharpe. The comparative morphology of the secondary sexual characters of Elasmobranch fishes. I. The claspers, clasper siphons, and clasper glands. Twelve text figures 245

Franz Schrader. Sex determination in the white-fly (Trialeurodes vapor ariorum). Four plates (thirty-six figures) 267

Taku Komai. Spermatogenesis of Squilla oratoria De Haan. Three plates (fifty-one figures) 307

James Rollin Slonaker. Some morphological changes for adaptation in the mole. Four plates (twenty-four figures) 335

MiTCHEL Carroll. An extra dryad and an extra tetrad in the spermatogenesis of Camnula pellucida (Orthoptera) ; numerical variations in the chromosome coniplex within the individual. Fourteen plates (one hundred and thirty-nine figures) and one double plate 375

No. 3. DECEMBER

Wesley R. Coe and Stanley C. Ball. The pelagic nemertean Nectonemertes. Five plates (seventeen figures) 457

A. B. Dawson. The integument of Necturus maculosus. Six plates (thirty seven figures) 487

Caroline Burling Thompson and Thomas Elliott Snyder. The 'third form,' the wingless reproductive type of termites: Reticulitermes and Phorhinotermes. Twenty figures and three plates (figures twenty-one to thirty-eight) 591



Cite this page: Hill, M.A. (2020, July 3) Embryology Journal of Morphology 34 (1920). Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Journal_of_Morphology_34_(1920)

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