BY THOMAS G. SLOANE. 177 



wings; these very wide, rounded, hardly more advanced than 

 centre of median part. Mandibles long, decussating, wide at 

 base. Labrum 5-setose. Palpi filiform; labial with penultimate 

 joint slender, longer than terminal. Prothorax ti"ansverse; 

 border not reaching base on sides of basal curve; anterior mar- 

 ginal puncture very near anterior angle. Elytra with four strije 

 free at base; submarginal humeral carina short, feebly developed. 

 Prosternum with intercoxal part greatly narrowed (not attenuate) 

 anteriorly. Anterior tibiae 4-dentate. 



Clivina grandiceps, n.sp. 



Comparatively short. Head large, smooth, vertex convex; 

 prothorax short, lateral border not attaining base; anterior tibiae 

 4-dentate. Black, shining; legs light piceous brown; palpi 

 piceous. 



Head large, transverse (2-4 x 2'9 mm.); vertex convex, la?vigate: 

 clypeus slightly rugulose, divided from front by a straight trans- 

 verse impression (this impression hardly distinct in middle); 

 anterior margin sinuate; median part lightly rounded in middle; 

 wings large, wide, divided from median part by a light sinuosity, 

 widely rounded in front and laterally, a little more prominent 

 than median part, lateral setse placed in a sharply defined fovei- 

 form puncture about middle of each wing; supra-antennal plates 

 small, convex, divided from clypeal wings by a light sinuosity, 

 roundly protuberant and margined laterally; facial sulci lightly 

 impressed, two supra-orbital sette on each side placed a considei-- 

 able distance from eye in a deep groove, the lower as well as the 

 upper edge of this groove carinate; eyes convex," projecting beyond 

 supra-antennal plates; orbits enclosing eyes lightly behind, slopmg 

 obliquely to neck. Mandibles large, wide at base, decussating. 

 Labrum large; anterior margin subrotundate (lightly truncate in 

 middle), 5-setose. Mentum lightly and squarely emarginate; median 

 tooth short, widely triangular; lobes rugulose, wide, obliquely 

 truncate to apex on external side. Palpi filiform. Antenn;e 

 long, slender, not incrassate, first joint long (about as long as two 

 succeeding ones). Prothorax short, transverse (2-2 x 2-9 mm.), 

 12 



