FISHES. 57 



53. CYPRINELLA NOT ATA, Grd. 

 Gen. Kep. 269. Plate LVIII, Figs. 16—20. 



Sped. Char. — Body eloDgate4l, sub-fusiform. Ptduncle of the tail rather slender. Head constituting the fifth of the total 

 ength. Eye moderate sized ; its diameter entering about three times and a half in the length of the side of the head. Snout 

 lanteriorly blunt; gape of mouth slightly arched ; posterior extremity of maxillar bone reaching to a vertical line drawn behind 

 the nostrils. Anterior margin of dorsal fin somewhat nearer the insertion of the caudal than the tip of the snout. Origin of 

 ventrals placed in advance of the anterior margin of the dorsal. Pectorals small. Keddish brown above; yellowish beneath ; 

 a jet black spot at the base of the caudal ; fins otherwise unicolor. 



136. Eio Seco, Texas. Dr. 0. B. Kennerly. 



54. CYPRINELLA WHIPPLII, Grd. 

 Gen. Rep. 270. Plate LVIII, Figs. 6-10. 



Spec. Char. — Body elongated and sub-fusiform. Peduncle of the tail stoutish. Ho.id constituting the fifth of the entire 

 length. Eye rather large ; its diameter entering nearly four times in the length of the side of the head. Snout sub-conical and 

 tapering ; gape of the mouth nearly horizontal ; posterior extremity of maxillar bone correspondsng to a vertical line drawn at 

 the anterior rim of the orbit. Anterior margin of dorsal fin nearer the insertion of the caudal than the tip of the snout. Origin 

 of ventrals situated under the anterior edge of the dorsal. Pectorals and ventrals slender. Keddiah brown above ; golden yellow 

 beneath : a black patch at the posterior margin of the dorsal fin. 



137. Sugar-loaf creek, Arkansas. H. B. Mi3llhau8en. 



55. MONIANA LUTRENSIS, Grd. 

 Gen. Rep. 272. 



Spec. Char. — Body sub-fusiform, elongated; back slightly convex. Head contained three times and a half in the total 

 length. Eye moderate, sub-circular ; its diameter entering four times in the length of the side of the head. Jaws equal ; 

 posterior extremity of maxillar bone not reaching a vertical line drawn at the anterior rim of the orbit. Anterior margin of 

 dorsal fin equidistant between the tip of the snout and the base of the caudal. Insertion of ventrals situated in advance of the 

 anterior edge of the dorsal. Pectorals slender ; their tips not reaching quite the origin of the ventrals. Bluish black or 

 brown ; dorsal fin yellowish brown ; other fins reddish. 



107. Tributary of Gypsum creek, Canadian river. H. B. MoUhausen. 



56. MONIANA LEONINA, Grd. 

 Gen. Rep. 273, Plate LIX, Figs. 6—10. 



Spec. Char.^ — Body rather short and deep. Head constituting about the fifth of the total length. Snout sub-conical ; jaws 

 equal ; posterior extremity of maxillar bone extending to a vertical line drawn behind the nostrils. The eye is moderate sized,; 

 its diameter entering four times in the length of the side of the head. Anterior margin of dorsal equidistant between the tip 

 of the snout and the insertion of the caudal. Insertion of ventrals situated slightly in advance of the dorsal. Pectorals and 

 ventrals moderately developed. Greyish brown above ; white or dull yellowish beneath. 



115. Leon river, Texas. Dr. C. B. Kennerly. 



57. MONIANA DELICIOSA, Grd. 

 Gen. Rep. 274. 



Spec. Char. — Body slender and elongated. Head constituting the fifth of the total length. Snout sub-conical ; upper jaw 

 overlapping the lower. Posterior extremity of the maxillary extending to a vertical line drawn between the nostrils and the 

 orbit. Eye large and circular; its diameter entering three times in the length of the side of the head. Anterior margin of 

 dorsal fin equidistant between the tip of the snout and the insertion of the caudal. Pectorals and ventrals slender and of 

 moderate development. Reddish brown above ; yellowish beneath ; middle of flanks silvery. 



119. Leon river, tributary of Rio San Antonio, Texas. Or, G. B. Kennerly. 



8 h 



