THE RISE OF EMBRYOLOGY 



217 



reproduced ir Fig. 66, is, however, destined to be the one by 

 which he is CL^nmonly known to embryologists, since it forms 

 the frontispiece of the great cooperative Handbook oj Em- 



FiG. 66. — Von Baer at about Seventy Years of Age. 



bryology just pubh'shed under the editorship of Oskar 

 Hertwig. 



Von Baer's Especial Service. — Apart from special dis- 



