38 Skates, Rays 



LESSER DEVIL RAY, GIANT DEVIL RAY, 

 OTHER RAYS, TORPEDO, SKATES 



I. Two distinct fleshy lobes projecting from front of head 

 Page 39, figs. A-D 



la. Mouth on underside of head 

 Page 39, figs. A, B 



See Lesser Devil Ray, p. 270. 



lb. Mouth extending along front of head 

 Page 39, figs. C, D 



See Giant Devil Ray, p. 270. 



II. No fleshy lobes projecting from front of head 

 Page 39, figs. ^G 



See Giant Butterfly, Lesser Butterfly, Sting, Other Rays, 

 Torpedo, Skates, p. 40. 



