310 
adjoining the wooded ravine slopes. Both sexes were represented, also 
yellow-winged and orange-winged examples in approximately equal num- 
bers: August 24, several examples of both color types observed in open 
woodland at the head of the ravine between West Lafayette and the mouth 
of Indian Creek (8), occurring in blue grass areas and in a dry gulley; 
August 28, several of the orange-winged type observed in timothy stubble 
on a waste lot of the Purdue Experimental Grounds (3); August 30, sev- 
eral observed in an open clover field on dry sandy ground about a half mile 
east of Battle Ground (9): September 1, both yellow-winged and orange- 
winged individuals nearly equally common on the bluffs at the head of 
Happy Hollow (5); October 4, scarce in cultivated ground on Purdue 
IiXxperimental Grounds (3). 
Chortophaga viridifasciata (DeGeer). Only moderately frequent. 
chiefly in dry upland grass lands. Nymphs were observed in late Apri, 
adults from early May to late June and nymphs from early October to the 
end of November. The species appeared to be most frequent in sparse 
blue grass areas on the barren slopes at the top of the bluffs. 
Encoptolophus sordidus (Burmeister). Abundant in all open dry 
areas or in quite open woodland. 
July 22, nymphs common in timothy stubble in a waste lot on the Pur- 
due Experimental Farm (3); August 1, nymphs common in dry blue grass 
and Pou pratensis areas on the bluffs at the head of Happy Hollow (5); 
August 19, adult males observed today for the first time on the Purdue 
University Farm (3) in blue grass areas; August 24, occasional in open 
wood!and on the bluffs at the head of a ravine between West Lafavette 
and the mouth of Indian Creek (8) in blue grass: September 1, both sexes 
common in open grassy fields on the bluffs at the head of Happy Hollow 
(5); September 6, occasional in an open grove on bluffs (10) near Wild 
Cat Creek; September 13, common in blue grass borders of paths and 
fences on Purdue Experimental Farm (3); October 4, common on Purdue 
Experimental Farm (3); October 12, common in waste ground along 
Wabash Railroad south of Lafayette (13); October 25, occasional on road- 
side vegetation at the outer edge of the Wabash bottoms near West Lafay- 
ette (6): October 26, November 2, small numbers in grassy fields at head 
of Happy Hollow (5). 
Hippiscus rugosus (Seudder). Common in one locality, but not ob- 
served elsewhere. It was found August 1 and again on September 1 on the 
tall bluffs at the head of Happy Hollow (5) where it ocurred on untilled 
