40 Skates, Rays 



GIANT BUTTERFLY, LESSER BUTTERFLY, 

 STING, OTHER RAYS, TORPEDO, SKATES 



L No dorsal fin 

 Page 41, fig. A 



la. Width of body much greater than distance from 

 tip of snout to end of tail 

 Page 41, figs. B, C 



1. Spine on tail 

 Page 41, fig. B 



See Giant Butterfly Ray, p. 266. 



2. No spine on tail 

 Page 41, fig. C 



See Lesser Butterfly Ray, p. 267. 



lb. Width of body much less than distance from tip 

 of snout to end of tail 

 Page 41, fig. D 



See Sting Rays, p. 50. 



n. One or two dorsal fins 

 Page 41, figs. E-H 



See Eagle Rays, Cow-nosed Ray, Torpedo, Skates, p. 42. 



