182 Mr. CuRTis's Descriptions of 



crasso fusiformi ; labiales articulo 3tio longo fusifonni crassiore 2do. 

 Mentum trilobum, lobo medio trigono-truncato. 



Labrum transverse, emarginate in front, with 6 long bristles (fig. 2.). Mandi- 

 bles porrected, rather slender, elongate-trigonate, the apex curved and 

 acute, with a small tooth on the inside below the middle (3,) Maxillce long 

 and slender, terminating in a sharp horny curved claw, the inside ciliated 

 with rigid bristles. Palpi, internal biarticulate, basal joint a little the 

 -longest, 2nd rather the stoutest, curved and attenuated : external long, 

 rather stout, and 4-jointed, basal joint short, 2nd the longest and stout- 

 est, 3rd half as long, clavate, 4th not so long as the 2nd but as stout, 

 fusiform, truncated but small at the apex (4.). Mentum transverse, not 

 deeply emarginated, having a broad, subtrigonate tooth in the middle, 

 truncated and scarcely concave at the apex, the side lobes rounded 

 externally, the apex acuminated. Labium rather small and quadrate, 

 apex concave, with 4 bristles. Palpi rather long, clavate and triarticu- 

 late ; basal joint small, semi-globose, 2nd long and clavate, 3rd a little 

 longer, stouter, and fusiform, the apex truncated (5.). 



Antennce shorter than the head and thorax, filiform, pubescent and 11-jointed, 

 basal joint a little the stoutest, 2nd the shortest, 3rd as long as the 1st, 

 4th scarcely shorter, the remainder ovate and distinctly articulated (1.). 

 Head narrow and ovate, trigonate before : eyes small, remote from the 

 thorax, which is a little broader than the head, obovate, considerably 

 elongated, truncated anteriorly and at the base, leaving a narrow collar 

 behind : scutellum indistinct or concealed. Elytra nearly twice as broad 

 as the thorax, ovate and convex, the apex rounded : wings none. Legs 

 longish ; anterior thighs and tibiae stout, the latter deeply notched, with 

 a long spine at the apex and another in the notch ; apex externally denti- 

 culated, intermediate and posterior bristly, spurred at the apex, the latter 

 slender and the longest : tarsi 5-jointed, anterior with the first 4 joints 

 dilated in the male and obtrigonate (6.) : 2 basal joints slightly dilated 

 in the intermediate, all the dilated joints pubescent beneath : daws 

 simple. 



The habits and economy of some of the Harpalidce approach so near to the 



