THE FISHES OF NEW JERSEY. 115 
Genus OsMERUS Linnzus. 
The Smelts. 
Osmerus mordax (Mitchill). 
Smelt. Frost Fish. Silver Pike. 
Head“4; depth 534; Dim, 8; A. 111, 13; scales 62 in lateral 
line to base of caudal; 6 scales between origin of dorsal and lat- 
eral line; 5 scales between lateral line and origin of ventral; 
mandible 134 in head; third dorsal ray 17/;; base of anal 134; 
lower caudal lobe 1% ; least depth of caudal peduncle 4; pectoral 
1%; ventral 124; snout 4 in head measured from tip of upper 

Smelt. Osmerus mordax (Mitchill). 
jaw; eye 414; maxillary 14; interorbital space 334. Body long, 
slender. Head long, pointed, large. Snout long, convex. Mouth 
large. Mandible projecting. Teeth strong, fang-like on tongue 
and vomer in front, cardiform on palatines, pterygoids and hyoid, 
moderate on mandible and small on edge of maxillary. 
Maxillary reaching hind edge of orbit. Interorbital space 
a trifle convex. Gill-rakers 10 + 109, slender, longest 2% of orbit. 
Scales deciduous. Dorsal inserted about midway in length. Adi- 
pose fin about over last third of base of anal. Anal inserted 
behind tip of depressed dorsal, about midway between origin of 
ventral and base of caudal. Caudal forked, lower lobe trifle 
longer. Pectoral about 34 to ventral. Ventral inserted opposite 
