232 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
SO'S'. S. oiOMg'SilM!'* (Kirtlaiul) J. A, G. — llcd-sided Shiner. 
llody elongate, compressed. Head long, rather pointed. Mouth very 
large, oblique; the lower jaw notably projecting, with a small knob at 
the symphysis; n])per lij) on the level of the pupil; maxillary extending 
to the middle of the orbit; posterior angle of opercle acute. Eye mod- 
erate, nearly 4 in head. Scales very small. Fins short and high, the 
dorsal somewhat behind ventrals. Lateral line decurved. Color dark 
bluish; the scales mottled with paler; sides with a broad black baud; 
belly more or less silvery; the front half of the lateral band bright 
crimson in spring males; the belly and lower lins more or less reddened; 
a dark vertebral baud. Head 4; depth 5. D. 8; A. 9; scales 10-70-5; 
teeth 2, 4-5, 2. L. 5 inches. Great Lakes and Upper Mississip])i Val- 
ley, chiefly from Pennsylvania to Minnesota. 
{Liixilus clongaiiis Kirtlaud, Rept. Zodl. Ohio, 169, aud iu Bost. Journ. Nat. Hist, 
iii, 9;>9 : Leuciscus eloiigatiis Giiuther, vii, 245: CUnosionius elongatiis Girard, Proc. Acad. 
Nat. Sci. Pliila. 1856, 212: Gila elongata Jordan, 300: Clinostomus 27rorigcr Coytc, Cypr. 
Pc’.iu. 375: Leuciscus proriger Giiuther, vii, 245: GUa proriger Jordan, 300 (may he a 
dill'erent species ; sides more compressed and more silvery ; Lat. 1. 63 ; teeth 2, 4-5, 1 ; 
common, with the other.) 
3G§. S. vaaadoisulcas (Val.) Jor & Gilb. 
Body oblong, deep and compressed. Head rather large. Mouth 
large, obliipie, the lower jaw projecting, and the mandible extending 
to the pupil. Eye moderate, 3^ iu head. Lateral line decurved. Color 
bluish green; some of the scales of the back irregularly darker, pro- 
ducing a mottled appearance ; no dark lateral band ; males in spring 
Avith the region behind the head and above the iiectorals as far back 
as the anal of a bright rose-red, brightest anteriorly. Head ; depth 
3§. D. 9; A. 8; Lat. 1. 53; teeth 2, 5-5, 2. L. 5 inches. Virginia to 
Georgia ; abundant. 
{Leuciscus vandoisulus Cnv. & Val. xvii, 317: CUnostomus affiuis Girard, Proc. Acad. 
Nat. Sci. Phila. 1856, 212: Leuciscus vandoisulus Giinthcr, vii, 256: Leuciscus affinis 
Gunther, vii, 257: CUnostomus affinis Cope, Journ. Acad. Nat. Sci. Phila. 1868, 228: 
Gila vandoisula Jordan & Brayton, Bull. U. S. Nat. Mns. xii, 24.) 
369. S. estoi* Jordan & Brayton. 
Body elliptical-elongate, compressed, the caudal peduncle rather long, 
but not so long as head. Head very long and large, flattish, but not 
broad above. Mouth larger than in any other of our Cy 2 )rinidw, very 
oblique, the upper jaw on the level of the pupil, the maxillaries ex- 
tending to opposite the middle of the orbit, the length of the gape a 
little more than half the length of the head, the lower jaw considerably 
the longer. Eye rather large, less than snout, 4 iu head. Scales mod- 
