250 THE DEVELOPMENT OF THE CHICK 
Gn.l3. 
LECCE 
F.thl 
Fia. 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 
