IpOO] MARYLAND ACADEMY OF SCIENCES. 403 



2. S. spurcus, New sp. 



Grayish straw color, marked with black, larger than 

 either of the other species, and with coarser veins than 

 S. sulcipes ; tinged with greenish when fresh. Frontal 

 process long, narrow, almost parallel-sided, truncated at 

 tip, vertex deeply excavated, the central knob large, 

 highly polished, face pale, flecked with brown, space be- 

 tween the outer carina and the carinate margin narrower 

 than in S. sulcipes^ and not abruptly contracted above, 

 sulci remotely punctate, clypens stained with brown, 

 gradually widening below, rostrum reaching to the pos- 

 terior coxae. Pronotum short, lunate, with the lateral 

 margins gently curved, and the latero-posterior margin 

 widely sinuated, the callosities carrying three dark, or 

 black, grains, central tablet longer than wide, with the 

 two central indented points black, the middle carina thick 

 and piceous, mesonotum almost smooth, wider than long, 

 pale orange yellow, acute at tip, sinuated each side, the 

 central tablet large, carinate on the middle and lateral 

 margins. Legs long, particularly the anterior pair, the 

 femora and anterior tibiae carinated on the middle line, 

 scabrous and pointed with brown, the anterior and middle 

 tibiae faintly, broadly brown at base and tip, posterior 

 tibiae pale, set with eight blackish spines on the carinate 

 edge, and with a crown of thick spines at tip, apex of 

 tarsi and nails piceous. Hemelytra pale gray, with a 

 fuscous arc near tip, veins coarse, whitish, interrupted 

 with black, long, nearly straight, without cross veins 

 before the apex, inner vein acutely forked at the middle, 

 the middle vein twice forked, tip with a transverse series 

 of six small, not uniform areoles; wings smoke blackish, 

 with three forked and one cross vein, posterior border 

 with one small, triangular areole. Tergum mostly smoke 

 brown. Mesosternal plates white, or greenish, dusky on 



