156 



PISCES. 



Lamna (Cuv.). Porbeagle. Two dorsals, as in 

 Alopias ; snout pointed ; both portions of the tail 

 large, nearly equal ; gill-openings large. 



L. Cornubica. Fig. 231J; ^ n. s. 



232 



Galeus (Cuv.). Tope. Two dorsals, the first 

 "behind the pectorals, the second over the anal ; 

 head flat and long ; teeth pointed, concave, and 

 serrated on the outer edge. 



G. vulgaris. Fig. 232 ; ^ n. s. 



