ITS 



Lcu<:.is'.vs kudsonins, DcKay, Nat. HiBt. New York, Fi.^hep. 

 ]i. 20(>, |il. ol, lit;-. K.I'J; Siorei" fSyijiips. }>. loT; Agassiz, Lake 

 i^iiperior, [). 27-; (rUoiillKM'. \'ll, p. 2."t]. 



Hud-soil IKS /tucUlfiUs, '^iiard. I'voc. Ac. Nfil. Sc. L'hilad. 

 18."i(j, i>. 210. 



— aiiuij-i/.^\ (iirard, 1. c. 



HijhopHi^ oluwnna, C;.>|i!;, Vv<n\ Ar. Nai. 8c. I'liil. ISHI. 

 1>. 27'.). 



— - hitd-sojuic^, iV>i>c, Traiits. Am. Pliil. Sue. XI! i. \k ."tSC), 

 [). ;)86, pi. 12, jiu'. -■). 



U.sually ciiuf'ouiuUMl Avitli oiir roiiiinMii L^iidgcnii, wliich i; 

 closely rcsyiublcs. It sccuis lo l)c imcoiuninii, bn( a lew 

 speciinciis Lave been takcu in the iVesli-watfr [lait oi' tlic 

 l^itapsco iliver. 



Ac'.^D. Coll. S. 1 . 



2. 11. I'iincX!;. 



Tlii.s .siuall s[)ccie.s nuiy be readily ili.sliii-Mii.slied by itsliHiii; 

 caudal i)cdunclc and tail, its larii;e browii-cdged ilorsal scaleS; 

 and phiuibeons lateral Ijaud. The height uf the body is 

 about one-lilt h or the total leii^'th (williout eamlal). the 

 length of the head somewhat less thaji one-fouth. Tlie lins 

 arc iiusj)otted, .'ind^ a biacl<isli line rnvis along" the latei'al 

 line. 



Fin-i'avs: — D. I . ;-■; 



i:;; \'. !. ^: A. 1. 7: v\ lU. 



L<- arise II H j>r(i< ill . ? = uenther, \ 11, }>. 2t'i(!. 



Ijf/h'>'fn<i//it'y , , ''"l'<-'; l*roc. Acad. Nat. Sc. I'hibid., 



18G4, p. 2^:b 



/lyhop.'iis /uvcnv, Cope, dourn. Ai'. Sc. IMiilad.. .\ 11 ! , p 

 ;]85. ]d. NX, tig. 2. 



Found in the L])[)er ruUnnac and in lie; •'ana!. Washing- 

 hu) count}', liy j\Iajoi' •! . D. Fergusijn. 



•AcAU. CoLl,. S. 1. 



