Tr. -^ 



Ser.-- 



Fig. 115.— Dorsal 

 half of Head- 

 region of Am- 

 moccetes. 



Inf. 



Tr., trabecule ; 

 Pit., pituitary 



space ; Inf., in- 

 f u ri d i b n 1 u m ; 

 Ser.. median ser- 

 rated flange of 

 velar folds. 



