March, 1919.] Davis: Cicadas of the Genus Cicada. 



77 



segment. The eighth segment is nearly all black, with a small light spot each 

 side, which is also pruinose. Fore wings with the same testaceous and black 

 colors at base, as in valvata, and the anal membranes of both pairs of wings 

 likewise gray. About one third of the basal area is clear also as in valvata. 

 The first and second transverse veins of the fore wings are slightly infuscated. 

 Beneath the opercula are dull straw colored as in valvata, but the ends of the 

 second and third pair of coxae are orange colored. The opercula overlap along 

 the inner margin and are broadly rounded at the extremities. A side view of 

 the abdomen shows the operculum to be sinuated on the margin in order to 

 cover a more protruding tympanum than is found in valvata. The end of the 

 abdomen is considerably broadened out at the extremity ; much more so than 



Gfl.CG.yn a carbonaria 



in valvata. When viewed in profile the uncus is seen to be deeply sinuated 

 near its central portion. 



Measurements in Millimeters. 



Male Type. 



Length of body 29 



Width of head across eyes 10 



Expanse of fore wings 73 



Greatest width of operculum 7 



Greatest length of operculum 7 



This is a larger headed and proportionately broader bodied species 

 than valvata; the rostrum is also much longer and the uncus differ- 

 ently shaped. 



I am indebted to Dr. Ball for permission to retain the specimen. 



Cacama crepitans lA'an Duzee). 



1914. Proarna crepitans Van Duzee. Trans. San Diego Soc. Xat. Hist.. 2. p. 45. 



Mr. Van Duzee says in the original description: " Described from 



