186 



PISCES. 



Mugil (Linn.). Mullet. Under jaw with a central 

 projection, which is received into a groove in the 

 upper. 



M. capito. 



chelo. Fig. 290 ;%n.s. 

 curtus. 



Atherina (Linn.). Sand Smelt. Mouth protrac- 

 tile, simple, not thickened ; a broad silvery band 

 along each side. 



A. presbyter. Fig. 291 ; \ n. s. 



FAMILY VI. CEPOLAD.E. 



Body long, flattened sidewise, like a ribbon, 

 with minute scales ; ventrals usually before the 

 pectorals, sometimes wanting. 



