174 CONTRIBUTIONS TO NOETH AMERICAN ICHTHYOLOGY IV. 



22§. C. gstob®sa (Grd.) J. & G. 



Body extremely deep aud eompressed, tlie back miicli arched, espe- 

 pecially anteriorly. Head short, blunt and deep, the profile continuous 

 from the snout to the occiput without angle. Muzzle short and blunt. 

 Eye small, 3| in head. Mouth quite small, very oblique, the upper lip 

 on the level of the pu^iil, the maxillary not extending quite to the orbit. 

 Scales large, the lateral liue very much decurved. Dorsal* fin well be- 

 hind ventrals; lower fins rather large, the pectorals nearly reaching 

 ventrals, the latter to vent. Bluish above ; sides silvery ; lower fins 

 milky; a more or less disthict black spot between the rami of the lower 

 jaw. Males tuberculate in spring. Head 4; depth 2|. D. 8; A. 9; 

 scales 6-34-3; teeth 4-4. L. 2^- inches. Eio Grande. 



(Moniana g'thhom Gira,rd, Proc. Acad. Nat. Sci. Phila. 1858, 201 : Cij])rimlla coniplanata 

 Jordan, Bull. Hayden's Geol. Siirv. Terr, iv, 3,68.5, 1878.) 



229. C forlbcsi Jordan. — Forhcs's Bed-fish. 



Body oblong, elevated, strongly compressed, the back arched. Caudal 

 peduncle rather slender. Head stout and deep, its upper outline de- 

 pressed, the nape elevated, forming an angle, so that the profile is some- 

 what concave. Mouth rather large, quite oblique, the lower jaw in- 

 cluded. Eye small, 4 in head. Lateral line strongly decurved. Thir- 

 teen scales in front of dorsal. Males profusely tuberculate iu spring. 

 Colors in life brilliant, steel-blue; the lower region silvery; the belly 

 orange-red in the males ; a conspicuous violet-colored crescent behind 

 the shoulders, followed by a crimson crescent ; fins reddish, the anal 

 aud caudal blood-red; chin without black spot. Head 3f ; depth 3. 

 D. 7 ; A. 8 ; scales 6-35-2 ; teeth 4-4. L. 2^ inches. Streams of South- 

 ern Illinois. Very near the preceding, but distinguished by the form of 

 the profile and tlie coloration. 



(Cyprindla forheai Jordan, Ball. Ills. State Lab. Nat. Hist, ii, 57, 1878.) 



230, C. ae®aiBDaa (Grd.) J. &. G. 



Body rather short and deep, compressed, with long caudal peduncle. 

 Head moderate, the snout subconical, moderately pointed. Mouth 

 rather large, oblique, the maxillary scarcely extending to the orbit. 

 Eye moderate, 4 in head. Lateral line decurved. Head 4J; depth 3 J. 

 D. 0; A. 9; Lat. 1. 40. L. 3^ inches. Rivers of Texas and J^orthern 

 Mexico. {Girard.) 



(Moniana leonina, complatmta, and frUjida Girard, Proc. Acad. Nat. Sci. Pbila. 18.56, 

 199,200.) 



