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Sub-family CenTRARCHINE. (THE SUN-FISHES.) 
Genus 15. Muicropterus, Lacépéde. 
Buack Bass. 
7. Micropterus dolomiei, Lac.—Smauu-moutHED Brack Bass. 
(Bul. Il, 44; Micropterus salmoides.) 
Abundant in rivers and larger creeks, but occurring more 
arely in lakes, preferring swifter water than the preceding 
pecies. It occurs throughout Illinois, but is relatively rare to the 
outhward. Has been taken by us in the Wabash and some of its 
weer tributaries, but not elsewhere south of the Illinois River. 
8. Micropterus salmoides, Lac.—Larae-MouTHED Buack Bass; OswEco 
Bass; Green Bass; Bayou Bass. 
(Bul. II, 44; Micropterus pallidus.) 
The large-mouthed black bass favors especially lakes, ponds and 
luggish waters, but occurs also in rivers and large creeks through- 
ut Illinois. It is the common southern form of black bass, al- 
hough perhaps, on the whole, no more abundamt there than in the 
iorthern part of the State. 
Genus 16. Lepomis, Raf. 
9. Lepomis gibbosus, L.—Common Sun-risH; Bream; PUMPKIN-SEED ; 
SUNNY. 
(Bul. Il, 46; Hupomotis aureus.) 
By far the most abundant sun-fish in Northern Illinois, where it 
iterally swarms in every lake and pond. It occurs, however, 
hroughout the State, but somewhat rarely southward, its place 
here being taken by Chenobryttus gulosus. 
0. Lepomis notatus, Agassiz. 
(Bul. II, 46; Hupomotis pallidus.) 
A rather rare species, occurring from the Illinois River southward, 
hiefly in ponds and larger streams. 
1. Lepomis pallidus, Mitch.—Bzuur Sun-Frisu ; CoppER-NOSED BREA ; 
DoLLARDEE; RIVER SUN-FISH. 
(Bul. II, 45; Lepiopomus pallidus.) 
Probably the most abundant of the sun fishes; its preéminence, 
iowever, in this respect being disputed by Lepomis cyanellus and 
wbbosus. Its distribution and its haunts are more varied than those 
f either of these species, as it is almost equally abundant in all 
arts of the State and occurs in all waters—in lakes, ponds, rivers 
