206 CONTKIWnioX- TO NOKTII AMERICAN ICHTHYOLOGY - IV. 



Son Wyra 1870 WO : 72 ; Jordan, BnlL Haydea'e GeoL Snrv. Ten. 



iv, ^s hci <-hi. < n I'loiu the Kio Gnimli', v.ith scales G-4f>-7, 



(!K- !,. . : ? J'ln-miiol'iHS terctuliia var. liosternus 



Hull. 111.-. MU-. N;ii. Hist, i 



.iU-s siniill. ulx'iit t;n iu (In- l:it( nil i 1 

 31 I. P. OSItOStOmilS Jordan. 



liody rather slender, nearly tc.. .m<-h compressed at all, back 



not devilled, raudal pediinele stout. Head very large, tlie muzzle blunt 

 and liea\y. the<!heeks tumid. Moutli small, iuierior, alto.uctlier below 

 Hie luvvi of the eye, the maxillary barely reaching to the nostrils. Eyes 

 lar^e, hi-h up, behind middle of head, and ?>.[ in its length. Scales 

 small, thin, and loosely imbricated; the back and belly sealed; chot 

 naked. Lateral line nearly straight. Twenty-two scales in front of 

 dorsal. Fins all small. Width of isthmus 2.V in head. Pale oliva- 

 eeous; white below ; a silvery lateral Ijand, underlaid by dusky, which 

 lorms a \ a^ue blotch at base of caudal; back dusted with dark specks; 

 top of head black; a yellowish v >rtebral line. Head 4^-; depth 5. D. 

 ^; A. 7; scales 7-60-5; teeth 4-4. L. -t inches. Alabama River. 



(Jonl;iii. Ann. L.v. Nat. Hist. N V. 1 -TV,, ;;:W.) 



;tz . P. uranops Copo. 



liody very slender, little coinpre^scd, l>ack not elevated, caudal pe- 

 duncle long and slender. id i'>n- and rather slender, flat above, 



the. muzzle broad, blunt, and projeci in.^. .Mouth entirely inferior, larger 

 than in I he, other species, with conspicuous lips. Eye large, placed very 

 high, behind the middle of the head, 3J in head. Scales small, 24 in 

 front, of dorsal. Lateral lino sliai.uht. Chest and middle line of belly 

 nalved. Width of isthmus h.-ir length of head. Fins small. Uead 4;J ; 



:th (i. 1). 8; A. 7; > '()-(; teeth 4-4. Tennessee River. 



,H . i-r;. .)(!.) 



80. RIII^ICDITBIVS A-o-ssi/,. 

 Honed 



Hc.-kcl. prroi-cnjiifd in 



; :- ; I .Su|..-nc>i, i typo Ci/prinus atronavus Mitchill.) 



I5ody rather d:. not much compressed, ^louth small, subia- 



ferinr, normal, the upper jaw /)( proiraetile, the upper lip continuous 

 with the skin of the ton head, a l>ail>el terminal on the maxillary. 

 mostly ^, -1-K L\ hook:-.!, \\ithout grinding surface. Intestinal 



