1908.] NATURAL SCIENCES OF PHILADELPHIA. 393 



ability. The three individuals from the Sonora Road Canyon are 

 distinctly suffused with reddish, the males very strongly so, while the 

 Tucson and Roeble's Ranch specimens have hoary white their most 

 conspicuous color tone. The Sonora Road specimen has as its general 

 tint the peculiar blue gray often seen in this species. 



This form was found to be a typical desert species, not noticed any- 

 where in numbers. 



PHKYNOTETTIX Uhler. 

 Phrynotettix magnus (Thomas). 



A pair of this species taken July 6 by H. A. Kaeber at Palmerlee and 

 an immature male taken in Sonora Road Canyon, Tucson Mountains, 

 July 25, have been examined. 



The Palmerlee male is labelled "Found under manure." The 

 Sonora Road Canyon specimen was found on a rocky hillside. 



SCHISTOCERCA StM. 

 Scliistocerca vaga (Scudder). 



At Tucson four males and two females of this species were collected 

 July 26. One female is quite dark in color with strongly contrasted 

 pattern; the other of the same sex shows Uttle contrast and is pale 

 dull brownish. The specimens were found among wild sunflowers and 

 other high plants. In this situation indi\dduals were taken with far 

 greater ease than others previously seen on the desert. 

 Schistocerca venusta Scudder. 



A male and two females taken at Yuma, July 27 and 28, and a male 

 taken at Winslow, Navajo County, September 13, represent this 

 species. The Winslow specimen is more olive and less greenish than 

 the Yuma individuals. 



At Yuma a few specimens were seen in the dry stand of arrow-wood 

 on the banks of the Gila River. The species was very plentiful at 

 Winslow, in tall weeds about a water tank. 



CONALCEA Scudder. 

 Conalosea huachucana Rehn. 



A female of this species, collected at Palmerlee July 6 by Kaeber, has 

 been examined. 



HESPEKOTETTIX Scudder. 

 Hesperotettix festivus Scudder. 



A series of twenty-two males, twelve females and one nymph 

 represents this species. The localities are: Tucson, July 26, 1 d^, 1 9 ; 

 Sahuaro slope, southwest of Tucson Mountains, July 24, 1 d^ ; Sonora 



