THE YELLOW BASS, WHITE BASS, ROCK BASS, 



CALICO BASS, CRAPPIE, YELLOW PERCH 



AND OTHER "BOYS' FISHES." 



BY DAVID STARR JORDAN. 



THE SAUGER — Stizostediuvi canadensc (C. H. Smith). 



Description. — Body elongate, more terete than in the Wall- 

 eye, with the back broad and scarcely compressed; depth of 

 the body four and one-half to five times in length; head quite 

 pointed, about three and one-half in length, slope of the pro- 

 file greater than in the Wall-eye; eye smaller, five to five and 

 one-half times in the head; mouth rather smaller, the lower 

 jaw included; maxillary reaching to opposite posterior margin 

 of eye; opercle with a sharp, fiat spine, usually a smaller one 

 i:elow it, and an obscure one above; sometimes two or three 

 smaller ones below, often none; the position and number of 

 these spines extremely variable; specimens preopercle strongly 

 serrate, the lower spines hooked forward; cheeks usually 

 scaled — the hinder third, or less, sometimes naked; median 

 furrow on top of head closely scaled. Coloration paler and 

 more translucent, the shades less blended than in the Wall- 

 eye; olive gray above, sides considerably brassy or pale orange, 

 with much black mottling; the black gathered into several 

 definite dark areas, the most distinct of these being opposite 

 the second dorsal; two others fainter, at each extremity of 

 the spinous dorsal, and one at base of caudal ; these blotches 

 are irregular and diffuse, but very characteristic; young spec- 

 imens are pale orange, with broad black shades; spinous 

 dorsal, with two or three rows of round black spots, one of 

 each row on the membrane between each pair of spines; indis- 

 tinct blotch on posterior part of the fin; a large black blotch 

 at base of pectorals; second dorsal with about three rows of 

 irregular dark spots; caudal yellowish and dusky, almost 



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