GKEEN SUN-FISH. 939 



dowish ; iris red ; cheeks with narrow wavy stripes of bright blue ; usually a round black 

 spot on last rays of dorsal and anal behind, the latter, and sometimes both, obsolete. 

 A species extremely variable both in form and coloration, yet easily recognizable at 

 sight. As is the case in many species, specimens from tributaries of Lake Michigan in 

 Wisconsin are deeper-bodied arid darker-colored- than those from the Ohio River. This 

 species reaches a length of about eight inches, but they are usually seen of a much 

 smaller size. 



Habitat : Lepomis eyanellus abounds throughout the entire Mississippi Valley and in all 

 the streams tributary to the Galf of Mexico. It occars more sparingly in the tributaries 

 of the Great Lakes, and has not been noticed at all east of the Mountains. Throughout 

 the Ohio Valley, it is one of the most abundant of fishes, oconring in every pond, and 

 ascending small streams, where in may be found lurking in deep holes and under every 

 ^projecting root. It is too small to be of much. account as a food fish and is valued 

 chiefly by the boy. 



Diagnosis. — The elongated body, large mouth and low spines at once dis- 

 •tinguish this species. It is the only species in Ohio which has but three 

 .anal spines, and a distinct supplemental maxillary bone, which has no 

 •teeth on the tongue. 



Genus C5. CH^NOBRYTTUS. GUI. 



Calliurus, Ag.&ssiz, Am. Journ. Sci. and Arts, 1854 (not Baf ). 

 Chcenoibryttas, Gill, Am. Journ. Sci. and Arts,- 1864, 92. 

 ■G-loaaopliles, Jordan, Man. Vert., 1876, 233. 



Type, Calliurus melanops, Girard, = Pomotis gulosua C. & V. 



Etymology, chaino, to yawn ; hryitua, an allied genus = 4^omoKs. 



Dorsal fin much more developed than anal fin, its base about twice that of Ihe latter, 

 the soft parts of the two fins nearly equal and terminating at the same vertical behind ; 

 dorsal spines strong, ten in number ; anal spines three ; candal fin emarginate ; dorsal 

 fins not notched; mouth very large, the maxillary reaching to opposite the posterior 

 margin of the eye, very broad and flat, with a very large supplemental bone ; palatine 

 teeth very strong; a conspicuous patch of teeth on the tongue and on the pterygoid 

 bones ; gill-rakers long, very strong, armed with strong teeth ; opercle ending behind 

 in a large but rather short rounded process or flap; lower jaw longest; body stout, 

 heavy, moderately elongate ; aspect and dentition of Ambloplites. This genus contains 

 so far as is known but two species, both large, stout Sun-fishes, voracious in habit, re- 

 lembling Bass. The second species, Chcenobryttus gulosua (Cnv. and Val.) Cope, occurs 

 only in the South Atlantic and Gulf States. ' 



123. Cn^ffiNOBRYTTDS ANTiSTius McKay. 



IV^ar-moutli ; fFlde-meuth Sun-flsh ; Black Sun-fish; Red-eyed 



Bream. 



'ClicenolryUua guloaua, Cope, Proc. Acad. Nat. Sci. Phila., 1865, 84 (Michigan, not Oen- 

 trarchus guloaua, Cuv. and Val.). — Jordan, Proc. Acad. Nat. Sci. Phila , 1877, 43 ; 

 Ann. Lye. Nat. Hist. N. Y.. 1877, — ; Bull. U. S. Nat. Mus,, x, 1877, — ; Man. Vert., 

 2d Ed., 237. 



