836 ZOOLOGY INSECTS. 



ceous ; the posterior margin sinuated, rufo-piceous. Scutellum almost flat, 

 minutely scabrous and punctate, the apex sometimes piceous or testaceous. 

 Legs rufous or rufo-testaceous ; the coxal plates more or less piceous ; ante- 

 rior femora stout, armed beneath with five small piceous spines ; bristles of 

 the tibiae and outer surface of the tarsi piceous. Pectus and venter obso- 

 letely, minutely punctured and shagreened. Hemelytra dull testaceous, not 

 densely, but distinctly, and somewhat closely punctured with piceous ; the 

 clavus black at base and on the outer margin ; corium with the two prin- 

 cipal nervures and a lavge spot extending outward from the inner angle of 

 the tip black, membrane white, with a large blackish spot extending from 

 the middle to the apex. 



Length, 4 millimeters; humeral width, li millimeters. 



Owen's Valley, California ; Virginia City, Nev. ; Oregon ; and Texas. 



LARGIDAE. 



LARGUS, Hahn. 



LAKGTJS CINCTOS, H. Schf. 

 Largus cinctus, H. SCHF., Wauz. Ins., vii, 6, No. 683. 



Collected by Dr. Oscar Loew in the vicinity of the Gila River, Aiizona. 



PHYTOCORIDAE. 



MIRIS, Fab. 

 M1RIS INSTABILIS, sp. nov. 



PLATE XLII, FIG. 9. 



General aspect of M. virens, Linn. ; green, greenish or pale testaceous, 

 clothed with close, yellow pubescence. Head broad, conical, the apex a 

 little upturned each side; both before and behind the eyes is a longitudinal 

 blackish stripe ; vertex densely pubescent, minutely, confidently punctured, 

 with a bald spot near the base, in the center of which runs the short, lon- 

 gitudinal groove; antennae robust, rufous, the basal joint sometimes green- 

 ish, a little longer than the head, densely clothed with long pubescence; 

 eyes round and prominent, posteriorly placed in contact with the pronotuin ; 



