146 TRANSACTIONS OF THE [1891 



notum about half as long as the scutellum, excavated in 

 front to correspond with the excavation of the head, and 

 with the margins of the excavation prominently elevated 

 and produced, basal margin concave, waved, emarginated 

 and depressed in the middle. Scutellum large, convex, 

 broadly excavated along the whole length of the disk, 

 the excavation narrowed at tip, and with its lateral mar- 

 gins carinately elevated. Hemelytra opaque, membra- 

 nous, veins slender, few, straight and regular, the exterior 

 ulnar vein is forked behind the middle and its two 

 branches fork again at tip, the interior ulnar vein forks 

 only next the middle of the wing-cover, a few travsverse 

 veins cross the apical areole and apex of the post-costal 

 space. 



B. fumida. New sp. 



3Iacropterous form narrow and long, piceous black, 

 shining, with the hemelytra and wings translucent, smoke 

 blackish and the veins deep black. Cephalic stylus slen- 

 der, testaceous, blackish at base, and with the longitudinal 

 groove blackish. Eyes prominent, dark brown, the face 

 and pleural pieces piceous black; rostrum greenish 

 testaceous, with the setae piceous. Vertex shining black, 

 with a tabulate almost flat, oval disk, which is followed 

 behind by a sunken space concurrent with the excavation 

 of the apex of the pronotum. Antennae stout, black, the 

 setae about as long as the eye. Pronotum polished black, 

 the middle line, anteriorly, raised in a thick carinate line. 

 Scutellum large, wide, dull smoke blackish, with the 

 convex outer sides polished black, Legs smoke brown, 

 the anterior and middle thigh and tibiae marked with 

 two obscure blackish bands wing-covers and wings paler 

 smoky blackish, with the coarser veins of the for- 

 mer obscurely interrupted with pale piceous. Ventral 

 surface dull smoke brown. Length to tip of hemelytra 

 seven and a half millims. Width across the base of 



