250 



THE DEVELOPMENT OF THE CHICK 



Paren. 



OJf.Z. 



Olf.N. 





4f 

 VC] 



KJO 



Fig. 150. — Lateral sagittal section of an embryo of 8 days. Right side of 

 the body. 

 All. N., Neck of the allantois. Cbl., cerebellum. Cr., Crop. E. T., Egg 



