I 20' C'OXTKIUrnoNS TO \<J<lli AMERICAN ICHTHYOLOGY - IV. 



that on tlu- dorsal su^c-smi- the peculiar spot of (he oilier Lythruri; 

 tip i -<uout blade; lins p;iK- olivaceous, red iu the males. Male.- n. 

 spring with the heail and aufedorsal region profusely tuberculated. 

 llead 4.' ; depth " J. D.8j "A. lOj scales .>-15-4; teeth 2, 4-4, 2, with \ 

 narrow or obsolete grinding surface. L. I'. 1 , inches. Tennessee and Ala- 

 bama Ifi\. 



(.\\itvtrujti* I. l;in, Aim. Lye. Nat. Hist. J\. V. 



Scales comparatively large, not higli i titan long, imd not closely imbricated ; 

 l.-s in from ni' dorsal l.-ir^i-: tocth ivitliout grinding surface. (Minniluv.*) 

 b. Anal (in long. ; 14. 



H. oligaspis (Copo) Jor. 

 ' Under jaw projecting a little beyond upper, maxillary extending to 

 opposite posterior nostril. Head conic in profile, with muzzle com- 

 pressed, one-tifrh of length to notch of caudal. Eye 1>1 in length of 

 Lead. Operculum higher thao long. Pins short (except anal); ventrals 

 anterior to dorsal. I). 1,8; A. I, 14. Scales rather large, 5-41-2; lat- 

 eral line with a Ion-, -entie anterior deflection. Above reddish ; side^ 

 of head and broad lateral baud silvery; body medially yellowish.'-" 

 (< ope.) L. 2 inches Kansas. LYrhaps a member of some other genus. 



(Alburuu* . Proc. Ai-:td \:tt. Sri. Phil;; Abramiaf oliga 



Giintlicr. vii. :' 



b'-. Ana! I'm inodc.r.-iic, UN rays 10 or 11. 



>ovr lateral line in atioii! '' sen 



i. i 



A short, deep species, like it. N(>U'.nii<i<nntH. Maxillary reaching orbit. 

 I.-iteral line detlexed. Olivaceous; sides silvery. Head 4; depth 4. 

 ]). s ; A. 11; scales i)-'.-\. L. 3 inches. Arkansas 1 fiver. (Girard.) 



( .I/hunt, (~ umii. A.cad. Nat. Soi. Phila. 1856, 193 : Alburiic.llus uinbrat'di* 



Grd U.S. Pa B B iO 



abovu latera 

 </. Veutral ( bing beyond middle oi' dorsal. 



Ji97. ITI. so i'|>ti<-(is .Jordan iV Cill.. sj.. nov. 



iiod\ short and deep, compressed and somewhat elevated. Head 

 ralhei lai-.-. dee)), blumish, resembling the head of Minuiluti cornutus. 

 Moiiih moderate, terminal, oblique, lower jaw slightly included, up])ei 

 lip opposite middle of ( ye, tin- maxdlarv extending to front of orbit. 

 \ery !ar-<'. lon-er than snoui. .': in head; interorbital space broad, 

 Scale.- large. Lateral line much decnrved. Fins moderatoj 



Qirard Proi Acad. Nl 8oi. Phila. 185C, 193. 



