302 FISHES. 



7. A. albidus, (LeS.) Gill. BROWN CAT FISH. WEST- 

 ERN BULL - HEAD. Depth 3^ to 4f in length ; head 3| to 

 4J, its width 5; barbels moderate; eye 7 in head; head 

 wider than in the preceding; an uneven curve from snout 

 to base of dorsal which is not especially elevated; 

 yellowish brown or blackish above, sides coppery yellow, 

 belly usually decidedly yellow but variable, rarely 

 blackish and pale; caudal truncate; D. I, 7; P. I, 8; 

 A. 19 to 22. Lakes and streams, abundant; N. Y. to 

 Minn., Kansas, and S.; chiefly west of the Alleganies. 

 [A. nebulosus (LeS.), A. catulus (Grd.), A. xanthocepha- 

 lus (Raf.), etc.] Perhaps two or more species are here 

 confounded. 



\\ Lower jaw longer than upper. 



8. A. dekayi, (Girard) Gill. DEKAY'S BULL -HEAD. 

 Form nearly of A. atrarius ; head and body rather elon- 

 gated; A. 20, its base one - sixth of length of fish. Lakes, 

 etc., in N. Y. A doubtful species. ["7>. catus," DeK., 

 fide Girard. A. catus (L.), Gill, is a Southern species.] 



9. A. o&lurus, (Girard) Gill. MINNESOTA CAT FISH. 

 Head broad, 3J in length; body rather short; reddish, 

 pale below; D. I, 6; A. 22; its base more than \ of 

 length. L. Amelia, Minn, to Ills. (Forbes) and S. 



ff f Anal with 24 to 28 rays ; size usually large. 



10. A. cupreus, (Raf.) Gill. GREAT YELLOW CAT FISH. 

 Upper jaw longest; head very large; body stout; barbel 

 rather short, but usually as long as head; color usually 

 a clear copper yellow, belly yellow; reaches a very 

 large size, probably the largest in the genus; D. I, 6; 

 P. I, 7; A. 25. Lakes and larger Western streams, 

 abundant. 



11. A. lividus, (Raf.) Jordan. LIVID CAT FISH. Jaws 



