CENTEARCHIDjE. — LXII. 119 



small brooks. The adult is readily recognized ; the young may 

 be known by the small gill-rakers and blue on head. (fuyaXos, 

 large; ovs, ear.) 



316. L. garmani Forbes. Body rather deep ; mouth moderate; 

 maxillary not to front of pupil ; eye large ; cheeks with 5 rows of 

 scales. Dusky ; sides with rows of bronze spots, one to each scale, 

 and about 7 rows below lateral line ; opercular flap | eye. Head 

 2f; depth 2f Scales 5-34 to 41-14. L.4. Wabash VaUey. (To 

 Harry Garman, of Champaign, 111.) 



bb. Pharyngeal teeth mostly bluntly conic; gill- rakers stout, rather short. 

 (Xystroplites Jordan.) 



317. L. euryorus McKay. Body very robust, the back high; 

 gill rakers about 8 ; eye small ; scales on cheek in 6 or 7 rows ; 

 opercular flap nearly as long as snout, with a very broad paler 

 margin ; spines low ; P. short. Greenish, nearly plain. Head 3| ; 

 depth 2|. Scales 6-43-14. L. 7. Fort Gratiot, L. Huron ; one 

 specimen known, (cvpvs, wide ; Spos, margin.) 



00. Lower pharyngeals very broad, the teeth paved, almost spherical, and 



truncate at tip ; gill-rakers small ; opercular flap rather short and 



broad; its lower posterior edge always bright scarlet; no distinct black 



spot on D. (Eupomotis Gill & Jordan.) 



h. Body compressed, the back elevated ; a considerable angle formed 



above the eye by the projecting snout; sides silvery-olive, scarcely 



spotted with orange; cheek without distinct blue lines. 



318. L. holbrookl (Cuv. & Val.). Eye large, the maxillary reach- 

 ing its front ; cheeks with 5 rows of scales ; spines high ; P. long, 

 longer than head ; opercular spot large. Dusky oUve, silvery below ; 

 somewhat mottled ; belly yellow ; fins nearly plain, the lower yellow. 

 Head 3 ; depth 2. Scales 6-45-14. L. 8. S. HI., to S. C. and S., 

 in lowland streams. (The western form, var. notatus Agassiz, has 

 perhaps the scales larger, 4-35-13, and 4 rows on cheek.) (To 

 John Edwards Holbrook, author of Ichth., S. C.) 



hh. Body robust, the back elevated, but not much compressed; the profile 

 steeper, scarcely forming an angle above eye; the short snout little 

 projecting; sides bluish, profusely spotted and blotched with orange; 

 cheeks orange, with blue wavy streaks. 



319. L. gibbosus (L.) Common Sun-fish. Bkeam. Pond- 

 fish. Pumpkin-seed. Sunny. Eye large, the maxillary reaching 

 its front ; cheeks with 4 rows of scales ; spines moderate; P. scarcely 

 longer than head ; opercular spot moderate. Greenish oUve, the 

 sides bluish, the belly and lower fins orange ; the sides profusely 

 mottled with orange ; D. bluish, orange-spotted. Head S^ ; depth 

 2. D. X, 11. A. Ill, 10. Scales 6-47-13. L. 8. Minn, and 

 Great Lakes to Me., and S. to S. C. ; exceedingly abundant N. and 

 E., but in Western rivers rarely coming south of the latitude of 



