1853.) 389 
6. Gira Granami, B. and G.—Body subfusiform, compressed. Head forming a 
little less than the fourth of the entire length. General disposition of the fins 
as in the preceding species, they differ in their structure as follow. 
1D) Mls OS AN UNS NOS (OF NOS Me Blo GH US TOS AY is TDG TP aes 
The disposition of the scales presents likewise differences which will be better 
understood by figures. 
Head above and back, reddish brown; upper half of sides greyish brown; 
inferior half of sides, greyish yellow. Abdomen, dull yellow, the whole with a 
tte reflection. Fins unicolor, of the hue of the region to which they be- 
ong. 
Rio San Pedro, of the Gila. 
7. FunpuLUS Grannis, B. and G.—Body stout and very much compressed 
five inches long; the head forming the fourth of that length. Back Biel 
black, sides greyish, with yellow spots. Beneath dull yellow. Dorsal and 
caudal deep bluish black, margined with yellow; other fins yellow; the base 
of anal spotted. Body and fins of the female unicolor. 
Formula of fins: D 11. A 12. C 2.1.9.9.1.2. V 7. P 18. 
Brackish waters in the vicinity of Indianola, Texas. 
8. FuNDULUS TENELLUS, B. and G.—Body regularly fusiform, compressed, the 
head forming two-ninths of the entire length. Eyes large. The back greyish 
yellow, with small black dots irregularly dispersed. A black vitta extends 
from the snout, across the eye, down through the sides, to the base of the caudal 
fin. Beneath light yellow. Dorsal, anal and caudal greyish with minute black 
dots; ventrals and pectorals yellow, without dots. Anterior margin of anal in 
advance of the dorsal. Tip of ventrals almost reaching the anal. 
Di SPAM102 COVE see 7s A VEG. Pr12. 
Prairie Mer Rouge, La. (James Fairie, Esq.,) and Russellville, Ky. 
9. Hyprareyra simitis, B. and G.—Back, bluish grey; sides and abdomen, 
yellowish. Transverse narrow black bands in both sexes. Fins yellow, uni- 
color in the female, dorsal, caudal and anal bluish grey. In the male the pos- 
terior margin of the dorsal being provided with one blaek spot and two yellow 
ones, one above, the other below the black. The caudal fin is posteriorly tran- 
cated. 
1DY UNG AN Be (OS Bs Mo So Wo UB Ma Ay lo dP akisse 
Brackish waters in the vicinity of Indianola. 
10. Cyprinopon ELEGANS, B. and G.—The general form varies according to 
the sexes; the back in the male is very much arched, the body consequently is 
deeper than in the female. The largest individuals are two inches and three- 
eighths in total length. The head forms two-sevenths of the length. Back deep 
bluish black; sides variegated with bluish black and greenish yellow. The 
posterior edge of the caudal is margined with black in the male. <A black 
spot, more conspicuous in the female, is observed cn the posterior margin of the 
dorsal. 
TD) filo AN NOs CP Bo les Vr SS Te Bo We Bo IP WL 
Rio Grande del Norte. 
11. Cyerrnopon macutarius, B. and G.—Body elliptically elongated, an inch 
and six-eighths long; head short and rounded forming one fourth of the entire 
length. Above reddish brown, yellowish beneath, tnaculated with black; spots 
on the sides with an irregular tendency to arrange in vertical bands. Dorsal 
blackish; other fins dull yellow, with a greyish base. 
Th) la Ds (Be Ue Wares Bo W ode 1, 
From the Rio Gila. 
12. Cyprinopon Bovinus, B. and G.—Has a general resemblance in shape to 
C. elegans; the head, however, is more truncated. The color in the male is 
uniform blackish brown above; yellowish green beneath. The fins are unicolor 
except the caudal which has a blackish margin. The coloration of the female 
differs from that of the male in having the lower portion of the flanks irregularly 
