464 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



These beautiful insects are of great interest in the fauna of North 

 America, recalling a group hitherto known oaly from Southern Eussia 

 and the East Indies. Although of a clear green color when fresh, they 

 are apt to turn pale yellow after the lapse of a few weeks. 



3. O. vulnerattis, new sp. 



Pale green ; form of the preceding, depressed, the head long, very flat, 

 not narrowed at base, but obliquely rounded anteriorly, and with the 

 tip narrow, almost acute, and a little turned up; the vertex with an 

 oblique, short, vermilion stripe each side, and with three longer ones on 

 the pronotum ; nervures of the hemelytra orange. Margins of the head 

 reflexed ; the submargin of the face very much flattened, the front mod- 

 erately inflated, obsoletely rugulose in chevrons; the under side of the 

 head, the pectus, and the venter j)ale yellowish. Eyes brown. Antennae 

 and rostrum pale yellow. Pronotum transverse, short, of the same shape 

 as in the preceding. Scutellum smooth, with three slender, longitudinal, 

 orange stripes. Hemelytra- shorter than the body, a little tapering 

 posteriorly ; the costal margin moderately arcuated ; wings white. Abdo- 

 men smooth, a little infuscated at tip. 



In two specimens, the head has an orange chevron exterior to the red 

 lines and an orange line in the middle ; and the pronotum has four 

 orange lines. 



Length to tip of hemelytra 7-8 millimeters. Width of pronotum 

 1^-2J millimeters. 



From Central Texas ; collected by G. W. Belfrage. 



4. G.fenestrat'us, new sp. 



General form of the preceding; head very long and flat, but with the 

 sides more narrowing toward the tip; color yellowish-green, the head 

 with four slender, orange lines, and the pronotum with six, and the 

 scutellum with four. Head more obliquely rounded than in the others? 

 more acute at tip, the tip upturned ; surface of the face a little uneven, 

 the sides anteriorly less flattened than usual, the front inflated, a little 

 flattened in the middle, and occupying most of the width of the face? 

 pale yellowish-green, a little infuscated in front; antennae and rostrum 

 yellow. Pronotum as in G. lineatns, the sides oblique, narrowing toward 

 the head, the margins recurved. Scutellum short and broad, smooth. 

 Legs yellow, the posterior tibise blackish, with orange spines; tarsi 

 blackish, with the joints margined with testaceous. Pectus orange. 

 Hemelytra pale green and with orange nervures on the basal half, the 

 posterior half whitish-hyaline, bounded behind and before by a broad 

 blackish arc, the two bands connected on the costal margin by a black 

 streak, and in the costal middle a transverse blackish streak runs in- 

 wardly ; the costal margin a little arcuated ; the sutural margin straight, 

 tinged with fuscous ; apical areoles large. Wings white. Metapleura 

 and venter black, the posterior edges of the segments of the latter yel- 



