HEMIPTERA— HETEKOPTEllA— PENTATOMID.E. 463 



TiROSCHISTUS INDURESCENS. 

 PI. 21, Figr. 4. 



Head finely and densely granulate ; antennae very minutely punctulate, 

 with an exceedingly fine median carina on the upper surface. Thorax and 

 scutellum more coarsely, less distinctly, and more spai'sel}" granulate, the 

 corium of the hemelytra still more obscurely, so as not to be noticeable. 

 Head, thorax, and scutellum blackish or black. Corium and clavus of 

 hemelytra very light colored, almost colorless, with the base largely black- 

 ish fuscous and the apex occupied next the costal margin with a very large 

 roundish fusco-castaneous .spot, the sutura clavi infuscated and punctate, 

 the membrane pallid at base but the whole apical two-fifths or more occu- 

 pied by a fusco-castaneous cloud, densest basally, fading toward the edge. 



Length, 10.75"""; Iweadth of base of thorax, 4""". 



Florissant. One specimen, No. 11784. 



9. THLIMMOSCHISTUS gen. nov. {eXilico, axiarot). 



Head moderately large, rounded, half as broad as the thorax, almost 

 equally long and broad, the front rounded and not produced beyond the- 

 rounded curve of the whole head ; antennte with the basal joint distinctly- 

 surpassing the front, the remaining joints very slender, the second longest, 

 the others subequal and each about two-thirds as long as the second, all 

 together half as long as the body. Thorax fully three times as broad as the 

 median length, j^et tapering from the base with no lateral prominences, the 

 sides very oblique and straight, the apical margin deeply emarginate to 

 receive the head. Scutellum large (not shown on plate, being very obscure), 

 reaching fully two-thirds way to the tip of the short abdomen, but triangular 

 with straight sides and an angulate and in no way produced apex. Abdo- 

 men very broad and shoit, the extremity very broadly rounded, the whole 

 body being less than half as long again as the width of the abdomen. 



A single species is known. 



THLIMMOSCHISTUS GKAVIDATUS. 

 PI. 28, Figs. 11, 19. 



Wliole body uniformly rather obscurely and sparsely and not promi- 

 nently granulate and blackish. Heiuelytra the same but only palo and 



