TEXT-BOOK 



EMBRYOLOGY MAN AND MAMMALS^ 



OSCAE HEETWIG 



Professor extraordinarily of Anatomy and Comparative Anatomy, Director of the II. Anatomical 

 Institute oj the University of Berlin 



TED FROM THE THIRD GERMAN EDITION 



EDWARD L. MARK, PH.D. 



Hersey Professor of Anatomy in Harvard University 



339 .dfigum m % &e*t antr 2 $i 



LONDON: SWAN SONNENSCHEIN & CO., LIM. 



NEW YORK: THE MACMILLAN CO. 



1905 



