Dec, 191/.] Davis: Sonoran Cicadas. 213 



Proarna venosa Uliler. 



New Braunfels, Texas, June 27, 1917, three males (H. H. K.) ; 

 Comstock, Texas, July 3, 1917, eleven males, two females (H. H. K.) ; 

 Juno, Texas, July 3, 1917, four males (H. H. K.) ; Pecos River, Shef- 

 field, Texas, July 4, 191 7, two males (H. H. K.) ; Fort Stockton, 

 Texas, July 5, 1917, one male (J. B.). Alamogordo, N. Mex., July 

 I, 1 91 7, three males (Prof. Wm. M. Wheeler) ; Aden, N. Mex., July 

 12, 1917, sixty-six males and seven females "on desert grass" (H. 

 H. K.) : Steins, N. Mex., July 14, 1917, one male, one female 

 (H. H. K.). 



Pacarina signifera Walker. 



Victoria, Texas, June 25, 1917, three males, two females (H. H. 

 K.) ; Gillette, Texas, June 26, 1917, twenty males and two females on 

 Prosopis glandiilosa (H. H. K.) ; Sutherland Springs, Texas, June 

 26, 1917, four males, two females (H. H. K.) ; Sabine, Texas, July 

 I, 1917, at light (J. B.). 



The specimens here recorded have been usually identified in the 

 U. S. Nat. Museum and elsewhere, as Pacarina signifera Walker, but 

 we are by no means sure that this is correct. 



To the foregoing descriptions it may be well to add one of a new 

 species of Okanagcna from California. 



Okanagana pallidula new species. 



Type male, Athlone, Merced County, California, August 3, 1917 

 (Alonzo C. Davis). Wm. T. Davis collection. 



A yellowish insect, almost unicolorous, with the membrane or flaps at 

 the base of the wings orange. There are two dark spots, one on either side, 

 on the metanotum, and there are faint indications of darker markings in 

 some of the paratypes, but nothing constant. Some of the specimens are 

 greenish yellow (the type is yellowish), and one shows two minute dark 

 dots centrally near the hind margin of the pronotum ; also two dark spots 

 are included in the outlined W-mark on the mesonotum. The costal margin 

 of the fore wings, beyond the radial cell, is also generally darkened. Beneath 

 there is a central dark spot at the base of the abdomen, and some dark dots 

 about the base of the legs. In structure the conspicuous feature as seen 

 from above is the cone-like projection of the front, which is more prominent 

 than in either Okanagana calif ornicus or Okanagana vanduseei which are 



