164 



PISCES. 



EcModon (Thompson). Jaws furnislied with 

 large cylmdrical teeth in front ; small teeth on the 

 palate and vomer ; body smooth, compressed ; 

 gill-orifices large ; dorsal and anal nearly as long 

 as the body, united behind, vent close to the head. 



E. Driimmondii. Fig. 246 ; ^ ti. s. 



247 



248 



OpMdium (Linn.). As EcModon, but the jaws 

 armed with small teeth ; the anal fin only half the 

 wdiole length, and the vent near the middle of the 

 body. 



0. imberbe. Fig. 247 ; ^n.s. 

 barbatum. 



