THE PINEAL BODY 



147 



Ds. 



71 



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. 

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

 commissure; M., midbrain. 



