31. CYPRINIDyE SQUAHUS. 237 



curve, running- unusually low. Yellowish; above dusky, with darker 

 spots and narrow dark lines. Head 4^. D. 8;A. 8. Utah Basin ; ex- 

 act locality not known. {Girard.) 



(Tirjoma lineata Girard, Proc. Acad. Nat. >Sci. Phila. 11^5(3, 206, au<l U. IS. Pac. R. R. 

 Surv. X, 292.) 



383. S. gracilis ((Jrd.) J. &, G. 



Described as still slenderer and with still smaller scales thau in 8. 

 llneatus. Lateral line little decurved. Snout subconical, rather short. 

 Coloration plain, dusky above, paler belo-w. D. 8; A. 7. Exact locality 

 unknown; probably from Utah. {Girard.) 



{TUjoma fjracilis Grd. Proc. Acad. Nat. .Sci. Phila. 1H5G, 206.) 



3§4. S. conformis (P. A G.) J. .Sb G. 



Body robust, rather elevated. Head moderate, the mouth rather 

 small, oblique, maxillary not quite reaching eye. Eye moderate, nearly 

 o in head. Dorsal tin considerably behind centrals. Scales large. 

 Lateral line decurved. Purplish brown above, yellowish below. Head 

 3^; depth 3^. D. 8; A. 8; scales 9-52-5; teeth 2, 4-?, ?. L. 4 inches. 

 Tulare Valley, California. 



{Lavinia conformis B. & G. Proc. Acad. Nat. Sci. Pliila. 1854, 137: Tiyoma confonnis 

 Grd. U. S. Pac. K. R. Surv. x, 289.) 



385. S. bicoaor (Girard) J. & G. 



Body robust, heavy anteriorly, tapering backward. Head long. 

 !Mouth large, the maxillary reaching to the eye. Eye small, G in head. 

 Scales rather large. Lateral line decurved. Dorsal lin inserted almost 

 directly over veutrals. Fins rather small. Dusky above, sides and 

 below silvery. Head 3.\5 ; depth 3 1. D. 8; A. 8; scales 13-04-G; teeth 

 2, 5-5, 2. L. 12 inches. Khunath Lake, Oregon. 



{Ti'joma bicolor Grd. Proc. Acad. Nat. Sci. Piiila. 1856, 20i), and U. S. Pac. R. R. 

 Surv. X, 289.) 



380. S. obcsus (Grd.) J. &. G. 



Body short and compact, the caudal peduncle rather slender. Head 

 small, the snout short and rounded. Mouth moderate, maxillary reach- 

 ing to eye. Eye moderate, 4.[ in head. Dorsal lin smaller than anal, 

 nearly median. Scales moderate. Lateral line little deflected. Bluish 

 gray above, yellowish below. Head 4.|. D. 8 ; A. 9. Salt Lnke \' alley. 

 {Girard.) 



{Tifjoma ohesa Grd. Proc. Acad. Nat. Sci. Phila. 1856, 206, and LI. S. Pac. \{. Iv. Surv. 

 X, 290.) 



