250 



THE DEVELOPMENT OF THE CHICK 



-~M. 



OJf.l. 



Olf.N. 









/ 



/yy# 



) 



// 



X 



^'30 



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

 the body. 

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



