A LABORATORY MANUAL AND TEXT- BOOK 



of 



EMBRYOLOGY 



By 



CHARLES WILLIAM PRENTISS, A.M., Ph.D. 



PROFESSOR OF MICROSCOPIC ANATOMY IN THE NORTHWESTERN UNIVERSITY MEDICAL SCHOOL. CHICAGO 



WITH 368 ILLUSTRATIONS 

 MANY OF THEM IN COLORS 



PHILADELPHIA AND LONDON 



W. B. SAUNDERS COMPANY 



1915 



o 



