32 Sharks 



DOGFISHES 



I. Origin of second dorsal fin behind end of base of pelvic 

 fin 

 Page 33, fig. A 



See Spiny Dogfish, p. 249. 



II. Origin of second dorsal fin over base of pelvic fin 

 Page 33, figs. B, C 



Ila. Upper margin of tail strongly arched; highest point 

 of upper margin of tail lower than highest point 

 of back 

 Page 33, fig. B 



See Black Dogfish, p. 250. 



lib. Upper margin of tail concave; highest point of 

 upper margin of tail above highest point of back 

 Page 33, fig. C 



See Portuguese Shark, p. 251. 



