YON BAER AND RISE OF EMBRYOLOGY. 



IO" 



Fig. 2. Title-page to Harvey's Generatione Animaliun (1(551). 



sent to the Boyal Society in 1672, and published by the society in 

 Latin, under the titles ' De Formatione Pulli in Ovo ' and ' De Ovo 

 Incubato.' The two taken together, are illustrated by twelve plates, 

 containing eighty-six figures, and the twenty— two quarto pages of text 

 are nearly all devoted to descriptions. 



His pictures, although not correct in all particulars, represent what 

 he was able to see, and are very remarkable for the age in which they 

 were made, and considering the instruments of observation at his 



