318 



THE MAMMALIAN EMBRYO. 



FIG. 99. 

 A. 



[CHAP. 



VIEWS OF THE JBLASTODERMIC VESICLE OF A KABBIT ON THE 



SEVENTH DAY WITHOUT THE ZONA. A. from above, B. 

 from the side. (From Kolliker.) 



ag. embryonic area ; ge. boundary of the hypoblast. 



