132 REPORT OF NEW JERSEY STATE MUSEUM. 
less common than those of Semotilus atromaculatus. Many which 
I examined lack the barbel, especially the very young. They 
may be easily distinguished by their round or robust bodies and 
large scales. Young of about 114 inches show a dusky band 
from the eye to the base of the caudal, though there is no dis- 
tinct black spot at the base of the latter. When about 3 inches 
or over in length the dusky lateral band is seen to become 
diffuse, and more or less fades out altogether as the fish increase 
in size. When taken from the water the chub sometimes makes 
a squeaking noise more like a voice than any produced by our 
other fresh-water fishes. The food consists of insects, frequently 
apple bugs (Gyrinide@). Dr. Bean very rightly contends that 
the preliminary diagnosis of Cyprinus corporalis of Mitchill 1s 
insufficient. I therefore follow him in adopting Cyprinus bullaris 
of Rafinesque. 
Semotilus bullaris Jordan, An. N. Y. Acad. Sci., 1, 1870, p. 
108.—Abbott, Nat. Rambles, 1885, p. 479. 
Semotilus corporalis Abbott, Proc. Acad. Nat. Sci., Phila., 
1860) p, 154:—E, Smith, Proc: Lins Soc, N.Y: XGiso7 prez 
Leucosomus rhotheus Cope, Proc. Acad. Nat. Aci., Phila., 
1861, p. 523, based on Abbott. 
Semotilus rhotheus Cope, Trans. Amer. Philos. Soc., Phila., 
XIII, 1869, p. 362, Pl. 10, fig. 1.—Abbott, Geol. N. J., 1868 
(1869), p. 823.—Abbott, Am. Nat. IV, 1870, pp. 100, 110, 116, 
fig. 32.—Abbott, |. c., p. 385.—Abbott, 1. c. VIII, 1874, p. 327.— 
Abbott, Rep. U. S. F. Com., 1875-76, p. 840. 
Semotilus atromaculatus (Mitchill). 
Chub. 
Head 3%; depth 4%; D. u, 7; A. 111, 7; scales 55 in lateral 
line to base of caudal, 3 more on latter; 11 scales obliquely back 
from origin of dorsal to lateral line; 6 scales between origin of 
anal obliquely forward to lateral line; snout 3% in head; eye 
524; maxillary 244 ; interorbital space 234 ; pectoral 134 ; ventral 
144; pharyngeal teeth 2, 5—4, 2. Body stout. Profile of pre- 
