w 



'."it . ■. 





Al 



ssfe 



few 





f- ,.^C»' >^. 



s^ii^^-^a^:^- ■.. - ; 



Vi. 



m ' 2 ■ 







, 





Fig. 69. — Human Ovum, said to be from Fifteen to Eighteen Days Old. (Compare footnote, 



P a ge 134-) 



The chorion has been opened and spread out to show the embryo and its adnexa. A/, Body-stalk containing 



the allantoic diverticulum. Am, Amnion surrounding the embryo. Vi, Yolk-sac. 



133 



