3O FURTHER RESEARCHES ON NORTH AMERICAN ACRIDIID^. 



Cordillacris crenulata Bruner. 



Texas: Amarillo. 



Three females only of this species were found among the mesquite 

 grass on the Staked Plains at Amarillo, in company with Opeia 

 obscura and Phlibostroma quadrimaculatum. 



Phlibostroma quadrimaculatum Thomas. 



Texas: Amarillo; Clarendon; Quanah ; Wichita Falls. 

 Oklahoma: Cache; Mountain Park. 



A Great Plains species, not uncommon locally in mesquite grass, 

 associated with Opeia, Ageneotettix, Encoptolophus costalis, etc. 



Orphulella olivacea Morse. 



Mississippi: Biloxi. 

 Louisiana: B'uras. 



This is a salt-marsh locust of very wide distribution along the 

 Atlantic seaboard from Connecticut to Darien, and occurs only in 

 salt or brackish marshes. Sometimes local and extremely plentiful, 

 at Buras it was generally distributed throughout the portion of the 

 marshes examined. It is probably found throughout the entire salt- 

 marsh district of southern Louisiana. 



Orphulella pelidna Burmeister. 



Georgia: Sand Mountain; Trenton. 



Alabama: Anniston; Cheaha Mountain; Lookout Mountain; McCalla; Tur- 



nipseed's Ranch ; Tuscaloosa. 



Mississippi: Biloxi; Gulfport; Hattiesburg; Meridian; Nugent. 

 Arkansas: Ashdown ; DeQueen; Eagleton; Magazine Mountain; Mena; 



Ola; Rich Mountain; Rich Mountain Station; Winslow. 

 Indian Territory: Caddo; Haileyville; Howe; South McAlester; Wilburton. 

 Texas: Bonita. 



One of the most plentiful small locusts of the humid southeastern 

 quarter of the country, widely and quite generally distributed in fields 

 of sandy loam. 



Orphulella picturata Scudder. 



Arkansas: Ashdown; Blue Mountain Station; (Centerville, juv. 4, 5); Dar- 



danelle ; Magazine Mountain ; Van Buren ; Winslow. 

 Indian Territory: Haileyville; Howe. 



Texas: Clarendon; Denison; Myra; Quanah; Wichita Falls. 

 Oklahoma: Cache; Mountain Park; Shawnee; Snyder. 



This dainty little locust is a common and wide-spread species, 

 plentiful in dry, open fields and prairies, particularly where rather 

 thinly grassed, about ant-nests, old stack sites, prairie-dog mounds, 

 etc. Ijfes. pelidna and speciosa, it presents a great variety of coloring. 



