842 ZOOLOGY— INSECTS. 



regular, brown lines ; tlio.se of the base of the clavus straighter and almost 

 obliterated, leaving a bare spot at base; the epipleura white, with the trans- 

 verse nervure, the apical margin, and tip infuscated. Some of the basal 

 and apical lines of the corinm are often forked. Tergum black in the male; 

 blackish, infuscated, margined with fuscous, or with only a fuscous tip, in the 

 female. Venter either black, infuscated, or with only a fuscous tip. Facial 

 fovea of the male broad and long, extending above the line of the eyes, 

 densely clothed with long silvery hairs. 



Length, 5—6 millimeters; width across the humeri, 1J-2 millimeters. 



Brought from Owen's Valley, California (F. Bischoff). Specimens 

 have also been collected near Virginia City, Nev., and in Texas. 



The membrane usually has a dark spot at base on the outer margin, 

 another on the inner margin, and sometimes one on the disk. 



COEISA INTEREUPTA, Say. 

 2. Corisa interrupta, Say, Jour. Acad. Nat. Sci. Phila., iv, 32S. 



Collected in Owen's Valley by F. Bischoff, and at the Lower Rio 

 Grande in October. 



TETTIGONIDAE. 



PROCONIA, Amyot & Serv. 



PEOCONIA COSTALIS, Fab. 



Proconia costalis, Fab., Syst. Ehyng., 96, No. 44. — Signoret, Ann. Soc. Ent. de 

 France, 1854, 359, No. 210. pi. xii, f. S. 



Two damaged specimens of Jassina are in the bottle from Owen's Val- 

 ley, but they are not in a recognizable condition. 



It may be mentioned that this collection numbers many hundred speci- 

 mens of the different species enumerated and described. 



Note. — It is greatly to be regretted that the entire collection made by 

 the expedition in 1S72 was lost in transit from the National Museum to Prof 

 Uhler. 



