1191.— Egg on Eighteenth Day. 



1190.— Chick at Fourteen Days. 



1194.- Chick on Twentieth Pay. 



1193. — Chick, snowing absorption of yolk. 



1192.— Egg on Eighteenth Day, with vesicle 

 partly removed. 



1197.— Egg fractured by Chick in act of liberating itself. 



1199.— Golden Eagle. 



1201.— Talons of Golden Eagle. 



1198.— Position of Shells after Escape of Chick. 



1195.— Chick in Egg. 



i OG. — GSSr? i»5§|»S 



'1200.— GoWen Eagle, 



256 



