154 



PISCES. 



Echinorliinus (Blainv.). Spinous Shark. First 

 dorsal opposite the ventrals ; teeth in both jaws, 

 broad and low, the edge nearly horizontal, their 

 sides with one or two transverse toothlets ; skin 

 studded with spines. 



E. spinosus. Fig. 226 ; 



Scymnus (Flem.). All the fins small ; two 

 dorsals, one before, the other behind the ventrals ; 



