154 



PISCES. 



Echinorhinus (Blainv.). Spinous SJiark. 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 ; ^ «. s. 



224 



226 



227 



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

 dorsals, one before, the other behind the ventrals ; 



