[Account of recent investigations of embryologists on the formation of the germinal layers and phenomena of impregnation among animals]
Contributors: James, William, 1842-1910, former owner
Publisher: Boston Society of Natural History
Published: 1877
Place of publication: Boston, Mass
Language: eng
Number of pages: 171
Other titles: Proceedings of the Boston Society of Natural History.
Notes: Title constructed from first line of text.

Reprinted from the Proceedings of the Boston Society of Natural History, vol. XIX (April 18, 1877).