144 REPORT OF NEW JERSEY STATE MUSEUM. 
space 234; first branched dorsal ray 114; first branched anal ray 
134; upper caudal lobe 1; least depth of caudal peduncle 21/,,; 
pectoral 1%; ventral 17/,; pharyngeal teeth 2, 4-4, 2. Body 
compressed, rather short, anterior dorsal region a little swollen, 
and lower profile rather evenly convex. Caudal peduncle a little 
elongate. Head compressed, rather heavy and obtuse. Snout 
convex, rather blunt. Eye small, anterior, and circular. Mouth 
nearly horizontal, or but little inclined, and upper jaw projecting 
a little beyond lower. Maxillary not quite reaching orbit, and 
premaxillary level with lower portion of orbit. Nostrils superior, 
close together, and near front of eye above. Interorbital space 
broad and a little convex. Gill-rakers 2+ 6, short points. 
Scales on sides and along lateral line narrowly imbricated, those 
before dorsal rounded and crowded. ‘Tubes in lateral line simple, 
well decurved. Dorsal inserted nearer tip of snout than base af 
caudal, first branched ray longest, and fin when depressed reach- 
ing about half way to base of caudal. Anal inserted about mid- 
way between last third of pectoral and base of caudal, margin 
straight and first ray longest. Caudal deeply emarginate, lobes a 
little rounded. Pectoral reaching about four-fifths of space of 
ventral. Ventral inserted opposite origin of dorsal, and reaching 
vent, which is close in front of anal. Color grayish-blue above, 
scales with dusky edges. A bronzed line on each side along back. 
Belly and lower surface silvery, becoming rosy in spring. Dorsal 
dusky and caudal similar. . Lower jaw and predorsal region to 
tip of snout covered with small tubercles. Length 5% inches. 
New Jersey. 
Like the preceding one of our abundant minnows. It is found 
in the same localities and has much in common. Also in the 
spring the male assumes a very different aspect. The head is 
found covered with numerous horny excrescences, and the fin-rays 
become enlarged and expanded. They are also charged with very 
brilliant coloring matter, or pigment, of bright red. The sides 
of the body are more or less rosy, and the entire coloration is 
emphasized or pronounced. ‘They are very pretty, and are found 
with precisely the same habits as the silver fin, the males often 
bunching up by themselves in the riffles. At other times the larger 
