Jordan and FA>er>nan?i. — Fishes of North America. 1G7 



in life, the lower ^-shaped. Head 4J in length ; depth 2J to 2f . Eye 

 quite large, 3i to 4 in head. First ray of dorsal nearer wuzzle than base 

 of caudal, the anterior rays of dorsal usually very high. Scales 6-35-4. 

 D. 24; A. 8; V.9. Ohio Valley and westward, generally common, {dif- 

 formis, deformed.) 



Ciirjiiodes lUfformis, CoPE, Proc. Am. Phil. Soc Phila., 1S70, 4Sn, Wabash River; Jord.w, I. <■., 



195; .TORDAN & GiLiiERT, Synopsis, 120, 1883. 

 Carpiodes culisaiiserinns. Cope, I. c, 481, 1870, Kiskiminitas River, Pennsylvania. 



267. CARPIODES THOMPSONI, Agassiz. 



(Lake Carp.) 

 Body stout, short, the hack much arched, the depth 2^ in length. Head 

 small, 4 to 4^ in length, the snout pointed; lips thin, white, meeting at a 

 wide angle. Dorsal rays considerably elevated, | as long as base of fin. 

 Eye small, 5 to .5^ in head. Tip of lower jaw much in advance of nostrils; 

 maxillary reaching line of orbit. Origin of dorsal about midway of 

 body. Scales rather closely imbricated, 8-39 to 41-6. D. 27; A. 7; V. 10. 

 Great Lake region ; abundant ; our specimens from Lake Erie at Toledo, 

 Ohio. (Named for Rev. Zadock Thompson, who found the species in Lake 

 Champlain. ) 

 Carpindes thompsoni, AoASSiz, Am. Jour. Sci. Arts, 1855, 191, Lake Champlain, Jordan, /. c, 



198; JoPDAN & Gilbert, Synopsis, 119, 1883. 

 f Carpiodes selene* Cope, Proc. Am. Phil. Soc. 1870, 481, Bupposed to bo from Root River, 



Michigan. 



268. CARPIODES YELIFER, (Rafinesque). 



(Quillback; Spearfish; Sailfish; Skimback.) 

 Muzzle conic, projecting, obtusely pointed ; tip of the mandible reach- 

 ing to opposite nostrils; maxillary reaching to opposite front of orbit. 

 Lips full, thick, flesh-colored in life, the lower lip ^-shaped, the halves 

 meeting in an acute angle. Anterior suborbital as deep as long. Head 

 31 to 4 in length. Eye moderate or small, 4 to 5 in head. Body much 

 arched above, the depth 21 to 3 in length. First ray of dorsal usually 

 nearer muzzle than base of caudal ; anterior rays of dorsal always elevated 

 or filamentous, sometimes as long as base of fin. Caudal deeply forked, 

 its lobes slender, the upper the longer. Scales 7-35-5. D. 26 or 27. Miss- 

 issippi Valley and southwestward to Rio Grande and upper Missouri, gen- 

 erally abundant and very variable. Much of the following synonymy is 

 doubtful, some of the names perhaps belonging to C. carpio or C. difformis. 

 {velum, sail ; fero, I bear.) 



Catostomus velifer, Kafinesqce, Ichth. Oh., 56, 1820, Ohio River. 



Carpindes vclifei; CoPE, Proc. Am. Phil. Soc, 1870, 482; Jordan, I. c, 190, 1878. 



Carpiodes cyprinus and titmidiis, Jordan & Gilbert, Synopsis, 119, 1883. 



Ictiohus velifer, Jordan, Man. Vert., Ed. 5, 45, 1890. 



Ictinbus velifer, Jordan & Gilbert, Proc. U. S. Nat. Mus., 1886, 18, description of var. lumidiis, from 



Texas specimens. 

 Carpiodes lumidus, Baird & GiRARD, Proc. Ac. Nat. Sci. Phila., 1854, 28, Rio Grande at Fort 



Brown, Texas. (Type, No. 178. ) 

 Carpiodes damalis, Girard, Proc. Ac. Nat. Sci. Phila., 1850, 170, Milk River, Montana. 

 Carpiodes gray i, CoPE, Proc. Am. Phil. Soc. Phila., 1870, 482, Western States. 



*Eye 3g in head; color silvery white. D. 20. This may bo identical with C. diJormi». 



