U9 



SILURIDAE. 



13G. ICTALUKUS Rafinesque, 1820. 



603. I. puiictatus (Raf.) Jordan; {syn. Ictal urns caerulcsccns). Ohio Valley, 



Great Lakes. 



604. I. olivaceus (Grd.) Gill. Upper Missouri, d. s. 



605. I. simpsoni Gill. Big Sandy River, Kansas, d. s. 



606. I. furcifer (Val.) Gill. Mississippi Valley, d. s. 



607. I. furcatllS (Val.) Gill. Mississippi Valley. 



608. I. gracilis (Hough) Gill. Xortliern New York. 



609. I. beadlei Gill. Canada, d. s. 



610. I. afflnis (B. and G.) Gill. Rio Grande River, d. .i. 



611. I. vulpes (Grd.) Gill. Texas, d. s. 



612. I. niegalops (Grd.) Gill. Alabama, d. s. 



137. AMIURUS Rafinesque, 1820. 



613. A. cupreilS (Raf.) Gill. Great Lakes to Georgia and S. W. 



614. A. catus (L.) Gill. South Carolina. 



615. A. coenosus (Rich.) Gill. Great Lakes and North. 



616. A. felinilS (Grd.) Gill. Arkansas, d. s. 



61 7. A. antoniensis (Grd.) Gill. Texas, d. s. 



618. A. lividus (Raf.) Jordan, {syn. Amiui'us ciiprcoidcs (Gid.) QiU). K(n 



tucky to Illinois, d. s. 



619. A. atrarius (Dek.) Gill. Great Lakes to Pennsylvania and N. Eng. 



620. A. albidus (Le S.) Gill. New Jersey to Colorado and South. 

 Varieties ? 



A. nebulosus (Le S.) Gill. Great Lakes and Miss. Valley. 



A. exanthocephalu8 (Raf.) Gill. Ohio River. 



A. melas (Raf.) J. and C. Falls of the Ohio. 



A. caiulus (Grd.) Gill. New York to Arkansas. 



A. dbesus Gill. Nebraska. 



A. mispilliensis Cope. Mispillion Creek, Delaware. 



621. A. Tuls?aris (Thomson) Nelson. Great Lakes. 



622. A. aelurus (Grd.) Gill. Mississippi Valley. 



623. A. platycephalus (Grd.) Gill. North Carolina to Georgia. 



624. A. vulpeculus (Grd.) Gill. South Carolina to Florida. 



625. A. felis (Ag.) Gill. Great Lakes, d. s. 



626. A. i)unia (Grd.) Gill. South Carolina, d. s. 



627. A. hoyi (Grd.) GilL Racine, Wis. d. s. 



628. A. conflnis (Grd.) Gill. Racine, Wis. d. s. 



629. A. borealis (Rich.) Cope. Lakes of British America. 



630. A. nigricans (Le S.) Gill. Great Lakes. 



