30 Sharks 



SHARP-NOSED, SMOOTH-TOOTH, 

 SICKLE-SHAPE SHARKS 



I. Origin of second dorsal fin about over midpoint of base 

 of anal fin 

 Page 31, fig. A 



See Sharp-nosed Shark, p. 242. 



[I. Origin of second dorsal fin almost directly over origin 

 of anal fin 

 Page 31, figs. B, C 



Ila. Length of gill slits more than half the distance 

 from tip of snout to front of eye 

 Page 31, fig. B 



See Smooth-Tooth Shark, p. 243. 



lib. Length of gill slits less than half the distance from 

 tip of snout to front of eye 

 Page 31, fig. C 



See Sickle-Shape Shark, p. 244. 



