THE FISHES OF NEW JERSEY. 139 
aa. Teeth 2, 4-4, 2. 
e. Anal 7 to 9. 
f. Exposed surfaces of costal scales very narrow; dorsal over 
ventrals; no black caudal spot. CORNUTUS 
ff. Costal scales not narrowly imbricated; dorsal inserted behind 
ventrals; a very dark lateral band ending in a black caudal spot. 
g. Body rather pale; lower surface of caudal peduncle pale. 
CHALYBARUS 
gg. Body deeply colored, dark; lower surface of caudal peduncle 
dusky. CHALYBHUS ABBOTTI 
ee. Anal 11 to 12, inserted behind ventrals; scales on side not imbricated. 
AMGNUS 
Notropis bifrenatus (Cope). 
Bran st 
Bridled Minnow. —Muinnie. 
Iiead 47%; -depth 4; D. 1,,7; A. 1,'6; scales 35 in lateral 
series to base of caudal, 9 in lateral line; 12 scales before dorsal; 
10 scales in an oblique series back from origin of dorsal; snout 
334 in head; eye 3; maxillary 4; interorbital space 214; length 
of depressed dorsal 1; of depressed anal 1%; least depth of 
caudal peduncle 2%; pectoral 124; ventral 1%; pharyngeal 
teeth 4-4. Body rather slender, compressed, fusiform. Caudal 
peduncle long, its least depth about 2% in its length, and con- 
pressed. Head rather convex above, and of moderate size. Snout 
and muzzle rather obtuse. Eye circular, anterior, rather large. 
Mouth a little oblique, small, and mandible inferior or included. 
Maxillary short, not reaching orbit. Nostrils conspicuous, supe- 
rior, near eye. Interorbital space broad and convex. Gill-rakers 
2-+ 5 rudimentary weak denticles. Scales of more or less uni- 
form size or with uniform exposed surfaces not narrowly imbri- 
cated. Lateral line barely extending to dorsal, of simple tubes, 
and sloping down a little. Origin of dorsal much nearer tip of 
snout than base of caudal, and depressed fin much less than half 
of space to latter. Anal inserted a little behind base of last dorsal 
ray, and reaching half way to base of caudal. Caudal forked, 
longer than head, and lobes rather rounded. Pectoral low and 
