DEVELOPMENT OF THE HYPOPHYSIS 413 
IL 
Me 
SS 
AK 
Ree SSS 
Ss 
\ 
SS 
S 
— 
=O 
—S=s 
( 
| 
BE Sat 
Fig. 15 Left lateral view of reconstruction of the hypophysis of a 33 mm. 
embryo. X 100. For abbreviations, see figure 14. 
early connection with each other. On the posterior tip of the 
hypophysis two lateral grooves mark the beginning constriction 
of the superior lobe (fig. 22), the outpouching of which was 
seen in the previous stage. The stalk connecting the hypophysis 
to the pharynx is smaller than in earlier stages. 
The anterior lobe of the hypophysis, particularly its anterior 
part, has increased in length in a 40 mm. embryo. The stalk 
joining the hypophysis with the mouth has disappeared, with 
