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chrus oryzoides bog at the base of the bluffs on the Wabash opposite 
Battle Ground (16). 
Conocephalus (Xiphidium) brevipennis (Scudder) (incl. ensiferwm 
Scudder). Abundant in the bottom land marshes, in both open and wooded 
situations. 
August 9, adult males and nymphs frequent in grassy and sedgey 
swamps in low woods along Burnett Creek (2); August 20, abundant in 
open Homalocenchrus oryzoides bog at foot of the bluffs along edge of 
Wabash bottoms near West Lafayette (6); August 24, common in a similar 
type of bog in a ravine near the mouth of Indian Creek (15) ; August 30, 
common along the margin of a Homalocenchrus oryzoides bog at the base 
of bluffs on the edge of the Wabash bottoms opposite Battle Ground; 
September 6, common in a Homalocenchrus oryzoides bog at the foot of the 
bluffs near Wild Cat Creek (10); September 13, frequent in bogs and bog 
border thickets in low woods along Burnett Creek (2); October 3, com- 
mon in swamps and humid situations generally on the bottoms near the 
mouth of the Wild Cat (11), occurring in thick growths of Muhlenbergia 
and Hlymus. 
Conocephalus (Xiphidium) nemoralis (Scudder). Locally present in 
moderate frequency, occurring in grassy and herbaceous tangles usually 
in the vicinity of woodlands. 
Aug. 20, a male taken in dense growth of Homualocenchrus oryzoides in 
a bog at the foot of the bluffs along the margin of the Wabash bottoms 
near West Lafayette (6); also nine other individuals composed of both 
sexes taken in a small patch of Hlymus virginicus along the border of an 
adjoining woods; September 6, moderately frequent in thicket under- 
growth at the foot of a wooded bluff near Wild Cat Creek (10) ; September 
13, several observed in a thick growth of sumac and Hlymus virginicus 
on a waste lot on Purdue University Farm (3). 
Conocehalus (Xiphidiuwm) nigropleurum (Bruner). Frequent in 
herbaceous thickets, especially those forming the margins of bogs domi- 
nated by Homalocenchrus oryzoides, in both open and woodland situations 
and usually associated with Orchelimum nigripes. 
July 19, an immature male taken in a thick growth of Hlymus virgini- 
cus on the east bank of the Wabash at mouth of Wild Cat Creek (11); 
also an adult male at the edge of a Homalocenchrus oryzoides bog at the 
foot of the bluffs along the east side of the Wabash about half way between 
localities 11 and 16; August 9, both sexes moderately frequent in the herb- 
