KAIAD.E. 



151 



pectoral and ventral-fins present ; gills attached at 

 their outer edge, with separate orifices to each gill. 



Body flat, with a slender tail ; pectorals 



enormous, meeting in front . . . Raiadae. 



Body long, tapering gradually ; pecto- 

 rals moderate 



FAMILY I. EAIAD^E. 



Body forming with the large fleshy pectorals a 

 broad flat disk ; pectorals generally united before 

 the snout ; eyes and orifices (spiracles) above ; 

 mouth, nostrils, and gill-orifices below ; dorsals 

 on the tail. 



Cephaloptera (Kisso). Horned Ray. Head trun- 

 cate, with a membrane rolled on itself, on each side ; 

 eyes large, lateral ; otherwise resembling Trygon. 

 C. Giorna. Fig. 220 ; j^ n. s. 



Myliobatis (Cuv.). Eagle Ray. Head projecting ; 

 pectorals extended like wings ; teeth pavement- 



