AGONOSTOMUS. 67 
aN 
Sie 
¢ 
a b C 
Heads of Agonostomus monticola (a), A. salvini (b), and A. nasutus (c), from the side and from below. 
to base of caudal; spines moderate, the first, in the adult, about 4 the length of head or of the distance 
between the origins of the dorsal fins. Anal II 10. Pectoral about 2 the length of head, in the adult 
not extending to below the spinous dorsal; ventrals originating below the middle of pectorals, in the 
adult extending about 3 of the distance from their base to the origin of anal. Caudal forked. Caudal 
peduncle 13 to 2 as long as deep. Silvery, back darker; scales with dark edges, which often expand into 
irregular spots. . 
Hab. Mexico AND CENTRAL AMERICA ?,— West Indies ! 2. 
K2 
