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This is an authoritative textbook based on the author's presentation of the subject to premedical students. It has a number of new features; especially commendable are the treatment of cytology in general and the place of the germ cells in it, the discussions of experimental work with its biologic as well as its embryologic implications, and the admirable chapter on placentation. Emphasis is placed on the phases of the subject with which the student can come into personal touch in the laboratory, and the bulk of it accordingly deals with the chick and the pig embryo. The illustrations are for the most part new; they are clear and simple but true to the originals, with few diagrams. The incorrect stock textbook figures of human embryos have been supplanted; but a few more might have been added to convince the medical student, whose prejudices are worth considering nowadays, that he could
An Introduction to Vertebrate Embryology.. JAMA. 1930;95(16):1200. doi:10.1001/jama.1930.02720160060039