18 Sharks 



FALSE CAT, WHALE, OTHER SHARKS 



L First dorsal fin very long; base length more than half 

 the distance from origin of pectoral fin to origin of 

 pelvic fin 

 Page 19, fig. A 



See False Cat Shark, p. 239. 



n. First dorsal fin much shorter; base length much less 

 than half the distance from origin of pectoral fin to 

 origin of pelvic fin 



Page 19, figs. B-D 



Ila. Two distinct ridges on each side of the body ex- 

 tending from over gill slits to base of tail 

 Page 19, fig. B 



See Whale Shark, p. 237. 



lib. No ridges on sides of body 

 Page 19, figs. C, D 



See Nurse Shark, Chain Dogfish, Deep-Water Cat 

 Shark, Other Sharks, p. 20. 



