THE RISE OF EMBRYOLOGY 



217 



reproduced ip Fig. 66, is, however, destined to be the on< l.v 

 which he is commonly known to embryologists, since ii forms 

 the frontispiece of the great cooperative Handbook oj Em- 



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



bryology just yaiblished under the editorship of Oskar 

 Hertwig. 



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



