118 TELEOSTEI; ACANTHOPTERI. — XX. 
J. Scales large, 5-34-11; opercular spot wholly surrounded by a very 
broad red margin. 
312. L. humilis (Girard). Body oblong; spines high; cheeks 
with 5 rows of scales. Olive, with greenish specks, posteriorly ; 
sides with round orange spots ; belly and lower fins red. Head 23; 
depth 21. L. 2}. Ky. to Neb. and Texas; very abundant S. W. 
(Lat., humble. ) 
Sf. Scales rather small, 42 to 50 in the lateral line. 
g- Opercular flap in the adult, very broad, without pale edge; D. and 
A. in adult with a large black spot on the last rays. 
313. L. pallidus (Mitchill). Briur Sun-risu. Coprrer-NosED 
BreAM. DOLLARDEE. Body deep, compressed, the young slen- 
der, the adult yery deep; tail slender; head small; mouth quite 
small, the maxillary barely to eye; gill-rakers slender, about 10; 
D. spines higher than in related species. Olive green; young pur- 
plish silvery, with greenish cross-bars; no blue stripes on cheek ; no 
red on fins; old specimens often dusky, with the belly coppery red. 
Head 3; depth 2. Lat.1.44. L.10. Great Lakes to N. Y., Kans., 
Fla. and Mexico; very abundant. Very variable, but usually known 
by the black dorsal spot, which it shares with L. cyanellus. (Lat., 
pale.) 
gg- Opercular flap in the adult, very long and narrow, not wider than 
eye, its lower margin pale; dorsal and anal usually without dark 
spot. 
314. L. auritus (Linneus). LoNG-EARED Sun-Fisa. Body 
rather elongate; mouth moderate, the maxillary past front of eye; 
gill rakers quite short, but stiff and rough; scales on cheek in 7 
rows. D. spines low. Olive, belly and lower fins largely red; 
scales on sides with bluish spots; bluish stripes on head, especially 
before eye. Head without flap, 3; depth 24. Lat. 1.47. L. 8. 
Me. to La., only E. of the mountains; very abundant; usually 
known at sight by the long, narrow ear-flap. S. replaced by var. 
solis Cuv. & Val., with larger scales on cheek and belly, the former 
in 5 or 6 rows. (Lat., long-eared.) 
dd. Gill rakers very short, weak and flexible; no palatine teeth; opercu- 
lar flap in adult extremely Jong, with or without pale margin, 
variously shorter in young; head with blue streaks. (Xenotis 
Jordan.) 
315. L. megalotis (Rafinesque). Body short and deep, the 
profile steep ; mouth small, the maxillary to middle of eye; scales 
on cheek in 5 rows. Brilliant blue and orange, the former color 
predominating below, the blue in wavy streaks, the orange in spots; 
head with conspicuous blue stripes; fins mostly with membranes 
orange, the rays blue; V. dusky; no black spot on D. or A. Head 
without flap, 3; depth 12 to 24. Scales 5-38-14. L.6. Mich. 
to Dakota, S. to S.C. and Mexico; very abundant, especially in 
