182 Mr. Curtis’s Descriptions of 
crasso fusiformi; labiales articulo 3tio longo fusiformi 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.) Mazille 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.). 
Antenne 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 Ist, 
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 tibiz 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: farsi 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: claws 
simple. 
The habits and economy of some of the Harpalidæ approach so near to the 
