104 



THE DUCTLESS GLANDS 



5 r 



5.r 



ST. 



sr- 



FIG. 18. Kidneys and cortical ad- 

 renals (corpuscles of Stannius) of 

 PagelluA centrodontus. The adrenals 

 are on the spinal surface, shown by 

 the dotted lines. 



Lettering same as for Fig. 15. 



Fio. 19. Kidneys and cortical ad- 

 renals (corpuscles of Stannius) of 

 Qadus morrhua (ventral view). One 

 body is on the ventral surface, the 

 other half-way round towards the 

 spinal surface. 



Lettering same as for Fig. 15. 



So that in teleostean fishes we have now to consider a " cran- 

 ial " and a " caudal " cortical body. This is of the greatest 



