31. CYPRINIDiE — CLIOLA. 173 



Fins low. Lateral line somewliat decurved. Color dark above, below 

 this a sihxny band, and l)elow this a dnsky shade; fins in the typical 

 speciuieus plain. Head 1; depth 5|. D. 8; A. 8; Lat. 1. 53. L. 3 inches. 

 Valley of Mexico. 



(Cocloma riltata Girard, Proc. Acad. Nat. Sci. Pliila. 185fi, 195, aud U. S. Mex. Bound. 

 Surv. Icbtli. 5i5.) 



226. C ornata (Grd.) J. & G. 



Body stout and compressed, the head very blunt, thick, and rounded. 



Mouth small, nearly horizontal, the jaws equal. Eye large, anterior, 3| 



in head. Scales deep, closely imbricated, the lateral line decurved. 



])orsal a little behind ventrals. Fins all rather small. Snout prickly 



in the spring males. Color dark ; sides with about 8 more or less 



conspicuous cross-bars j fins all with the middle part dusky or black, 



the tips milk-white, the pectorals aud the anal notably so. Head 4J; 



depth 31.. D. 8 ; A. 7 ; Lat. 1. 39 ; teeth 4-4. L. 2i inches. Chihuahua. 



(Codoma ornata Girard, Proc. Acad. Nat. Sci. Phila. 1856, 195, aud U. S. Mex. Boiiud. 

 Siu-v. Ichth. 53.) 



flfl. Dorsal fin inserted directly over ventrals ; head moderate, subconic. 

 22'?. C caMJseBsaa Jordan. 



Body rather elongate, fusiform, compressed. Head elongate, the 

 nmzzle rather blunt, projecting over the moderate-sized, oblique mouth ; 

 maxillary not reaching to oj)posite the eye. Eye moderate, 4^ in head. 

 Scales firm, closely imbricated, 15 in front of the dorsal. Dorsal fin 

 extremely high; its height in the males one- fourth of the length of the 

 body, in the females somewhat lower j its insertion almost directly over 

 the first ray of the ventrals. In all the other similarly colored species of 

 Cliola the dorsal is evidently behind the ventrals. Coloration brilliant, 

 clear dark blue above, sides and below abruptly silvery; a blue lateral 

 streak, much as in G. coerulea, bounding the bhie of the upper parts, the 

 white pigment of the lower parts looking as if painted over the blue. 

 Dorsal with a large black spot on its last rays above. Dorsal, anal, and 

 caudal with the usual satin- white pigment at their tips ; these fins other- 

 wise of a clear, bright ferruginous orange. Females slender and dull- 

 colored. Head 4 ; depth 4|. D. 8 ; A. 8 ; scales G-39-3 ; teeth 4-4. L. 

 25 inches. Ocmulgee lliver, Georgia. An elegant fish, allied to the 

 species of Eroyala. 



{Kpisema calViHcma Jordan, Ann. Lye. Nat. Hist. N. Y. 1876, 363: Codoma calUsema 

 Jordan, Bull. U. S. Nat. Mus. xii, 52.) 



+t Edges of teeth more or less serrate or crenatc ; dorsal fin slightly behind ventrals. 

 (Moniana Girard.*) 



* Girard, Pl"oc. Acad. Nat. Sci. Phila. 1856, 199 : type Lcuciscus htfrcnsis B. & G. (A 

 coined name.) 



