THE PINEAL BODY 



147 



Ds. 



Pf-- 



Cp 



Fig. 71 The pineal body of Cistudo europaea. according to Sorensen, 1896. 

 Fig. 72 The pineal region in the Alligator, according to Sorensen, 1896. 

 Pf., paraphysis; Ds., dorsal sac; Ch., commissura habenularis; Cp., posterior 

 commissure; M., midbrain. 



