CENTRARCHIDA. — LXIL go We 
a Lower pharyngeals narrow, the teeth not paved. 
b. Pharyngeal teeth all, or nearly all, slender and acute. 
c. Supplemental maxillary well developed; palatine teeth present; gill 
rakers comparatively stiff and strong. (Apomotis Rafinesque.) 
d. Scales rather small, more than 40 in lateral line. 
e. D. and A. in adult, with a conspicuous black spot at base of last 
ray. 
307. L. cyanellus (Rafinesque). GREEN Sun-FisH. Body 
oblong, the back not elevated; mouth large, the maxillary nearly 
to middle of eye; dorsal spines low, about equal to snout; oper- 
cular flap short, with pale margin. Green, with brassy lustre, each 
scale with a blue spot and gilt edging; fins largely blue, A. edged 
with orange; iris red; cheeks with blue stripes. Head 3; depth 
24.7 D. X11. A. UI, 9.: Lat... 48) \L. 7. Great Lakes to Ga. 
and Mexico; very abundant in small brooks, especially S.; very 
variable. (xvaves, dark-blue.) 
ee. D. and A. without black spot. 
308. L. phenax (Cope & Jordan). Body rather deep; mouth 
small, the maxillary to middle of eye; opercular spot longer than 
eye. Plain olive green; scales 6-43-14. L.16. N. J. (qdévaé, 
false.) 
dd. Scales rather large, less than 40 in lateral line. 
309. L. symmetricus Forbes. Body short, deep; mouth mod- 
erate. Dark green, sides with 10 vertical bars; dorsal in 9 with 
black ocellus on last ray; cheek not striped; opercular spot higher 
than long; spines low. Head 22; depth 13. Scales 6-34-14. 
L. 23. Ill. to La., not rare; a neat and very small species. 
cc. Supplemental maxillary reduced to a slight rudiment; the mouth 
small, the palatine teeth few or none. 
d. Gillrakers stiff, not very short. (Lepomis.) 
e. Opercular flap short, little larger than eye, even in adult. 
310. L. ischyrus Jordan & Nelson. Body robust, mouth large, 
the maxillary to middle of eye; profile depressed above eye ; scales 
on cheek in 6 rows; opercular flap broad, with a broad pale edge. 
Dusky, mottled with blue and orange ; cheeks with wide blue bands; 
a dark spot on D. and A. behind. Head 22; depth 21. Scales 
5-46-14. L.7. Ill. R.; only the type known. (ioyupds, robust. ) 
311. L. macrochirus Rafinesque. Steel-blue with bronze orange 
spots, so arranged as to form series of vertical chain-like bars; fins 
with bronze and orange; no blue stripes on cheek; P. long, reach- 
ing A.: gill rakers slender, 11; 7 rows of scales on cheeks. Head 
3; depth 21. Scales 6-42-15. L.5. Ohio valley, rare. (axpos, 
long ; yep, pectoral.) 
ee. Opercular flap in adult becoming more or less elongate and con- 
spicuous. 
