49. CYPRINODONTID.E CYPRINODON. 329 



525. C v:i8'«efjiittts I>ac. 



Body short and deep, the baidc considerably arched. Mouth as in 

 the others, small and terminal. Humeral scale 4 times the size of the 

 others. Eye longer than snout, 3.V in head, less than iuterorbital 

 space. Origin of dorsal about midway of body, behind ventrals in old 

 specimens, rather in advance in the young; males with the dor.sal tin 

 elevated, but not reaching, when depressed, nearly to caudal. ]\Lde 

 fish dusky, with only traces of bars; caudal fin with a dusky bar at 

 base and on posterior edge; tii)s of dorsal and anal dusky; the scales 

 in the breeding season with small tubercles. Female olivaceous; sides 

 silvery, with darker bars and irregular markings; a dark bar at base of 

 caudal ; a dark spot on posterior jiart of dorsal. Head 3;^ ; depth 2^. 

 D. 10; A. 10; scales 25; L. transv. 11. L. S 2 J inches; 9 1^ inches. 

 Cape Cod to Mexico, in brackish waters, entering streams. 



(Lacdpodo, Hist. Nat. Poiss. v. 480: Lebias ovinus DcKay, New York Fauna, Fish. 

 215; Giiiitlier, vi, 303: Ctjprinodon horlnus B. & G. Proc. Acad. Nat. Sci. Pliila. 1853, 

 389: Cijprinodon box^inus Girard, U. S. Mex. B.mud. Surv. Ichtli. 67: Cijprinodon bovinus 

 Giiutber, vi, 307: Cijprinodon eximius Girard, Proc. Acad. Nat. Sci. Phila. 1859, 158.) 



526. C. Kittbosus Baird & Girard. 



Similar to the preceding, but the body still deeper and the back and 



fins still more elevated ; the scales apparently somewhat smaller ; anal 



much smaller than dorsal ; coloration similar to that of 0. variegatus. 



Head 22; depth l^. D. 10; A. 11; Lat. 1. 28; L. transv. 14. Indi- 



anola, Texas. {Girard.) 



(Baird & Girard, Proc. Acad. Nat. Sci. Phila. 1853, 390; Girard, U. S. Mex. Bound. 

 Sinv. Ichth. (;7.) 



SaT. C S»tiifasciiilus Garnian. 



Form and dentition of G. (jibhosus. Black caudal band much wider; 

 a light band (Vom middle of opercle to lower half of caudal; a dark 

 band above this, separated by a narrower band of light from the dark 

 olive of the back; silvery color of belly separated from the light band 

 on the Hanks by a short band of brown; fins clouded with brown; cau- 

 dal with a narrow dark band across its base and a broad one across its 

 extremity. Head 4 in total length; depth o. 1). 12; A. 11; V. G; P. 

 14; Lat. 1. 30; L. transv. 11. Parras, Coahuila, Mex. [Gannan.) 



(Garnian, Bull. Mus. Conij). Zool. viii, No. 3, 92, 1881.) 



52§. C. fScgsiEB'-i Baird & Girard. 



Body more elongate than in any of the preceding; the ujiper outline 

 of the head less depressed, so that the profile is continuous ; fins low, 

 the dorsal quite small ; its rays scarcely extending to the beginning of 



