126 CONTEIBUTIOXS TO NORTH AMERICAN ICHTHYOLOGY IV. 



than oue-tliird the head. Coloration silvery ; the males probably rosy 

 and tiiberculate in spriug-. Gila region to Wyoming; not abundant. 



(Baird & Girard, Proc. Acad. Nat. Sci. Pliila. 1853, 388; Giiutliar, vii, 14 ; Jordan, 

 1. c. 178 : ?.*' Catostoinus gazmaniensis* Girard, Proc. Acad. Nat. Sci. Phila. 185(5, 173.) 



131. C, E'Ctr®115iBatilis Jordan. 



Body long and slender, subterete, compressed behind, the form es- 

 sentially that of G. loRf/irostris, the depth contained 5i times in the 

 length. Head large, 4 in leugth of body, the interorbital space broad 

 and Hat, 2i in leugth of head. Eye small, high np and rather posterior. 

 Preorbital bone very long and slender, its length about 3 times its 

 depth. Mouth large, precisely as in C. latij)lnnis, the upper li}) pen<lent, 

 very large, with 5-8 series of tubercles. Dorsal fin not elongated or 

 especially elevated, its rays 11, the beginning of the dorsal much nearer 

 base of caudal than snout. Caudal fin long and strongly forked. Anal 

 fin long and high, reaching base of caudal. Ventrals not reaching vent. 

 Caudal peduncle stout and deep, its least depth more than one-third 

 length of head ; its length about two-thirds that of head. Scales quite 

 small, about as in lonpirostris, the exposed portion not notably length- 

 ened. Chest with well-developed scales. Scales 1()-100-14. Colora- 

 tion dusky brown, a dusky lateral band, pale below, the dark colors ex- 

 tending low. Snout quite dark. Size large. Montana to Nebraska. 



(Jordan,!, c. 178.) 



fc^. UppiT lip comparatively thin and narrow, with bnt few (3 or 4) rows of papilhe. 



133. C lOMg'il'OStrBS Le Sucnr. — Lonf/-iwscd SucJcer; NortJicrn Suclrr. 



Body elongate, subterete, the depth 4^-4|- in length. Head quite 

 long and slender, 4^-4^^ in length, depressed aud flattened above, broad 

 at base, but tapering into a long snout, which considerably overhangs 

 the large mouth. Lips thick, coarsely tuberculate, the upper lip nar- 

 row, with 2 or 3 rows of tubercles. Eye rather small, behind the mid- 

 dle of the head. Scales very small, much crowded forwards, 95-114 in 

 the course of the lateral line, and about 29 (20-31) in a cross-ro'w from 

 dorsal to ventrals. Dorsal rays 10 or 11. Males in spring with the head 

 and anal fin profusely tuberculate, the tubercles on the head small ; the 

 sides at that season with a broad rosy band: Size large ; the largest 

 species in the genus. Great Lakes and Upi^er Mississippi Valley to 



* This is probably a distinct species. It is stonter than C. latipinnis, with shorter 

 and deeper candal peduncle aud lower fins. A blackish lateral band. D. 12 ; Lat. 1. 

 about 90. Upper lip with 4 rows of iiapilhe. The original t}j)e from Lake Guzman, 

 Chihuahua, is now lost. 



