June, 1920.] 



Davis : North American Cicadas. 



101 



femora are blackened above in the middle and hind legs except at the extremi- 

 ties, while in the fore legs they are entirely black except at the extremities. 

 The mercanthi are long and pointed, orange in color. 



Me.\surements in Millimeters. 



Male Type. Female Allotype. 



Length of body 21 19 



Width of head across eyes 5 5 



Expanse of fore wings 45 45 



Length of valve 5.5 



In addition to the type and allotype there have been examined 

 tv^^enty-nine males and twenty-nine females from Trumble Mountain, 

 Mohave Co., Arizona, collected by Mr. J. A. Crosby in the spring or 

 early summer of 1919. In this long series the colors are exactly as 

 in the type and allotype. 



Stockton, Utah, May, 1916, male (Tom Spalding). 



Bondad, Colorado, Jttne 2."], 1919, about 6,100 ft., male and three 

 females (Dr. F. E. Lutz), collection American Museum of Natural 

 History. 



Chaves, New Mexico, female (from Prof. H. F. Wickham). 



B3 



Platypedia -rufipes 



In the Utah, Colorado and New Mexico specimens, the color at 

 the base of both pairs of wings is of a slightly darker orange than in 

 the types. 



Platypedia rufipes new species. Plate V, fig. 2. 



Type male and allotype female, from Los Angeles Co., California, May 

 (Coquillett). Collection \5 . S. National Museum. 



