572 PROCEEDINGS OF THE ACADEMY OF [Juty, 



Melanoplus canonicus Scudder? 



Florence, Pinal county, Arizona. September 20, 1903. (C. R, 

 Biederman.) One female. 



There is some doubt attached to the identification of this specimen. 



Melanoplus minor (Scudder). 



Pecos, San Miguel county. New Mexico. June 28, 1902. (Gra- 

 bhens.) One male. 



Prescott, Yavapai county, Arizona. June 9, 1902. (Oslar.) One 

 male. 



These specimens are inseparable from eastern individuals. This is 

 the first record of the species from Arizona. 



Melanoplus differentialis (Thomas). 



Albuquerque, Bernalillo county, New Mexico. July 15, 1902. 

 (Oslar.) One male. 



Melanoplus bivittatus (Say). 



Sapello Canon, San Miguel county, New Mexico. July 26, 1902. 

 (Oslar.) One female. 



Albuquerque, BernaMo county, New Mexico. July 12, 1902. 

 (Oslar.) One male. 

 Poecilotettix sanguineus Scudder. 



Bill Williams Fork, Mohave-Yuma counties, Arizona. August. 

 (F. H. Snow.) One male, one female. 



Dactylotum pictum (Thomas). 



Arrayo,- Pecos river. New Mexico. July IS, 1902. (Oslar.) One 

 male, three females. 



Cerro del Corazon, New Mexico. July 16, 1902. (Miss Alice Blake.) 

 One male, three females. 



Family TETTIGONID^. 

 Hormilia elegans Scudder. 



Florence, Pinal county, Arizona. June 8, 14; July 13, 23, and Sep- 

 tember 20, 1903. (C. R. Biederman.) Two adult males, five adult 

 females, four n3^mphs. 



This species is exceedingly variable in coloration and slightly so 

 in structure. The typical form of Scudder is represented more or less 

 closely by five of the specimens in the collection, but the two adult 

 males have the basic color of the tegmina olivaceous, and the "herring- 

 bone" pattern of the typical form replaced by regularly disposed 

 patches of glaucous green, while the distal portion of the posterior 



' Apparently an error for arroyo, i.e., torrent-bed or guUy. 



