65 
5. Etheostoma lineolatum, Agassiz.--STRIPED DarTER. 
(Bul. II, 42; Etheostoma jflabellare, var. lineolatum. 
Rather rare; chiefly from Northern Illinois, in creeks and rivers. 
6. Etheostoma zonale, Cope. 
(Bul. II, 41; Nanostoma zonale: Synop., 510; do.) 
This little darter is not common in Illinois, and is confined to the 
iorthern part of the State, as far as our collections show, where it 
iecurs in creeks and the smaller rivers. 
Genus 9. Haproprerus, Agassiz. 
7. Hadropterus evides, Jordan & Copeland. 
PbGls: Lied: Ericosma evides: Synop., 503; Alvordius evides.) 
Represented in our Illinois collections oniy by a few specimens 
rom Rock River. Reported by Dr. Jordan from White River, In- 
liana, but apparently not collected elsewhere. 
8. Hadropterus aspro, Cope. & Jordan.—Buack-siDED DarTER. 
(Bul. II, 39; Alvordius maculatus: Synop., 501; Alvordius aspro.) 
This fine darter is rather common throughout the whole State in 
arge creeks and small rivers, being especially abundant in the 
Wabash Valley and in the little Wabash, Saline and Embarras 
Rivers. A few specimens were taken also in the Illinois., 
‘9. Hadropterus phoxocephalus, Nelson. 
(Bul. II, 89; Alvordius phoxocephalus: Synop., 501; do.) 
This species, described from specimens taken in Central Illinois, 
4as not yet been found in the northern part of the State, although 
+ is decidedly common from the Illinois River southward, including 
jhe Wabash Valley. lt oecurs in our collections only from the 
larger streams; such as the Fox, Illinois, Saline and Little Wabash 
Rivers, and Mackinaw Creek. : 
Genus 10. Prrozna, Haldeman. 
Loa PERCHES. 
20. Percina caprodes, Raf.—lioag Prrcu; Rock-FisH ; HoaG-MOLLyY ; 
HoaG-FIsH. | 
(Bul. II, 39; Percina caprodes, Percina manitou.) 
The largest of its sub-family, and among the most abundant in 
the northern part of the State. Our collections contain specimens 
from the borders of Lake Michigan to Cairo and the Wabash Valley. 
In Northern Illinois it is extremely commen in the small lakes and 
in ee streams connected with them, and likewise occurs in other 
creeks. 
—d 
