Smithsonian Report, 1952. — Gurney 



Plate 7 



c 



D 



MELANOPLUS MEXICANUS MEX1CANUS (SAUSSURE), FEMALES, SHOWING DIFFER- 

 ENCES in size and Wing Length 



A, typical eastern specimen from Stony Man Mountain, Shenandoah National Park, Va., 

 1933; B, moderately long-winged specimen from Independence, Kans., 1902; C, extremely 

 long-winged specimen of a type rarely found, collected from a lush irrigated alfalfa field, 

 Chandler, Ariz., 1945; D, an authentic historic specimen of Rocky Mountain grasshopper 

 (from C. V. Riley collection), collected in Monona County, Iowa, August 1873. En- 

 larged slightly more than twice. Photographs by Floyd B. Kestner, Smithsonian 

 Institution. 



