3IO Field Museum of Natural History — Zoology, Vol. VII. 



Genus ClifFiiobryttus Gill. 

 Warmouth. 

 Body compressed, dorsal region elevated; mouth large, its gape 

 extending to or beyond pupil ; maxillary with well developed supple- 

 mental bone; teeth on jaws, vomer, palatines, tongue, and ptery- 

 goids; opercle rounded; the membranous portion narrow; pre- 

 opercle entire; anal spines 3; branchiostegals 6; caudal fin slightly 

 forked. 



Chaenobryttus gulosus (Cuvier & Valenciennes). Warmouth. 



Head 2.4 to 2.6; depth 2.0 to 2.6; D. x, 9 or 10; A. iii, 8 to 10; 

 scales 39 to 43. 



Body compressed, the dorsal region elevated; mouth large, the 

 maxillary reaching pupil, its length 2.2 to 2.4 in head; eye 4.0 to 5.0; 

 snout ^.^ to 4.4; membranous opercular flap narrow; anal fin short, 

 its base 2 in base of dorsal; longest dorsal spine 3.5 to 4.0 in head; 



Fig 61. Warmouth. 



Chasnobryttus gulosus (C. and V.) (After Forbes and Richardson.) 



cheeks with 6 to 8 rows of scales; pectorals not reaching anal, 1.5 to 

 1.8 in head; caudal fin lunate or very slightly forked; lateral line 

 complete. 



Color olivaceous to grayish, mottled and sometimes barred with 

 bluish black; sides with golden reflections; belly and breast yellowish; 

 three or four dusky streaks radiating from eye; vertical fins mottled 

 with dusky; a black opercular spot. 



Length 6 to 8 inches. 



