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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. ensiferum 

 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 Greek (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 b.og in a ravine near the mouth of Indian Creek (15) ; August 30. 

 common along tbe margin of a Homalocenchrus oryzoides bog at the bast 1 

 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 growtbs of Muhlenbergia 

 and Elymus. 



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 Homalocenchrus 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 Elymus virginicus along tbe border of an 

 adjoining woods : September 6, moderately frequent in tbicket under- 

 growth at the foot of a wooded bluff near Wild Cat Creek (10) ; September 

 13, several observed in a thick growtb of sumac and Elymus virginicus 

 on a waste lot on Purdue University Farm (3). 



Conocehalus (Xiphidium) nigropleurum ( Brunei- ). 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 Elymus 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 10 ; August 9, both sexes moderately frequent in the herb- 



