ZOOLOGY. 
56 
48. ALBURNOPS SHUMARDI, Grd. 
Gen. Rep. 2G1. Plate LYII, Figs. 1—4. 
Spec. Char. —Head constituting the fifth of the total length. Snout sub-conical, lower jaw shorter than the upper. Posterior 
extremity of the maxillary reaching a vertical line drawn across the anterior rim of the pupil. Anterior margin of dorsal fin 
equidistant between the extremity of the snout and the insertion of the caudal. Insertion of ventrals situated slightly behind 
the anterior margin of the dorsal; their tips approximating the vent. Reddish brown; flanks silvery. 
G8. Arkansas river, near Fort Smith. Dr. George G. Shumard. 
49. ALBURNOPS ILLEOEBROSUS, Grd. 
Gen. Rep. 2G2. Plate LYII, Figs. 5 — 8. 
Spec. Char. —Head contained five times and a half in the total length. Snout sub conical; lower jaw shorter than the upper. 
Posterior extremity of maxillar bone extending to a vertical line drawn in front of the orbit. Anterior margin of dorsal fin 
equidistant between the extremity of the snout and the insertion of the caudal. Insertion of ventrals situated somewhat in 
advance of the anterior edge of the dorsal; their tips reaching the vent. Reddish brown, lighter beneath than above, with the 
middle of the flanks silvery; fins unicolor. 
6G. Arkansas river, near Fort Smith. Dr. George G. Shumard. 
50. CYPRINELLA UMBROSA, Grd. 
Gen. Rep. 266. Plate LYIII, Figs. 1—5. 
Spec. Ciiar. —Body rather short; back very much arched. Peduncle of tail robust. Head constituting more than the fifth 
of the total length. Eye well developed and circular; its diameter entering four times in the length of the side of the head. 
Posterior extremity of maxillary reaching a vertical line drawn in front of the orbit. Anterior margin of dorsal fin equidistant 
between the tip of the snout and the insertion of the caudal. Origin of ventrals situated slightly in advance of the anterior 
margin of the dorsal. Pectorals moderate. Greyish red above; greyish yellow beneath. Fins unicolor. 
133. Twenty miles west of Choctaw agency. H. B. Mollhausen.—134. Coal creek, Arkansas, 
11. B. Mollhausen. 
51. CYPRINELLA SUAVIS, Grd. 
Gen. Rep. 268. 
Spec. Char. —Body rather short, sub-fusiform in profile; back slightly arched. Head constituting the fifth of the entire 
length. Diameter of eye entering nearly four times in the length of the side of the head. Gape of the mouth oblique. Posterior 
extremity of maxillar bone extending to a vertical line drawn behind the nostrils. Anterior margin of dorsal fin nearer the 
insertion of the caudal than the tip of the snout. Origin of ventrals situated somewhat in advance of the dorsal. Pectorals 
slender and elongated Yellowish brown, lighter beneath than above ; middle of flanks metallic white. Fins unicolor. 
138. Near San Antonio, Texas. Dr. C. B. Kennerly. 
52. CYPRINELLA LEPIDA, Grd. 
Gen. REr. 268. Plate LV11I, Figs. 21—25. 
Spec. Char. —Body elongated, sub-fusiform. Peduncle of the tail robust. Head contained four times and a half in the total 
length. Eye well developed; its diameter entering four times in the length of the side of the head. Snout rather blunt; gape 
of mouth somewhat arched; posterior extremity of the maxillary extending to a vertical line drawn before the orbit. Anterior 
margin of dorsal fin nearer the insertion of the caudal than the tip of the snout. Origin of ventrals placed slightly in advance 
of the dorsal. Pectorals moderate. Reddish ash above; pale sulphur yellow beneath. Fins unicolor. 
126. Rio Frio, Texas. Dr. C. B. Kennerly. 
