AMERICAN PUILOSOI'IIICAL SOCIETY. of)9 



Body black, punctured ; antennae piccous ; Grst joint obconic, 

 not Ioniser than the second and third together, whidi arc oijual ; 

 4-10 jdints moniliforin ; last joint ovate acute ; palpi i)ale pioeuus ; 

 teriuiual joint minute, that of the labial longer; thorax oblong- 

 quadrate ; angles rounded ; glabrous line none ; elytra black-pi- 

 ceous, punctures not [454] deeply impressed; sutural stria; dis- 

 tinct; leet rufous; thighs rubust, particularly the anterior, which 

 have a prominent angle beneath near the tip ; tibiie a little di- 

 lated and compressed, obliquely truncate at tip; anterior pair 

 with an obtuse sinus on the inner side; tarsi, first joint not 

 longer than the second; penultimate joint a little lobed beneath. 



Length about seven-twentieths of an inch. 



I have obtained but one specimen, which is a male. The 

 above description will show that it differs much from any known 

 species. 



[Unknown to me. — Lec] 



3. L. ciNCTUM. — Black, punctured ; antennas and mouth pi- 

 ccous ; feet yellowish ; posterior margins of the segments of the 

 abdomen rufous. y^ 



Inhabits Missouri. 



Body black, punctured, hairy ; head above, punctures dense, 

 distinct, profound, furni-shing hair; on the front sparse, remote; 

 antennae pale piccous, lirst joint nearly one third of the entire 

 length, third joint rather longer than the second ami with the 

 others obconic, two terminal ones subglobular; labrum very 

 .short at tip, punctured and setous, emarginate in the middle ; 

 mandibles piccous, prominent, strongly dentate in the middle; 

 palpi, maxillary prominent, pale piccous, terminal joint conic 

 acute, as large at base as the preceding joint, labial pale testa- 

 ceous, minute, throat with an impressed convex line ; thorax ob- 

 long, not wider than the head, punctures numerous, profound, 

 furnishing hairs, angles rounded ; scutel impunctured, elytra, 

 punctures somewhat transversely confluent, a little hairy ; feet 

 testaceous, thighs paler, anterior thighs near the tip abruptly 

 narrowed beneath, coxae piccous ; pectus impunctured ; pnstpcctus 

 and abdomen densely and minutely punctured, punctures hairy; 

 segments of the latter with rufo-ferruginous posterior margin.*. 



Length less than two-fifths of an inch. 

 1834.] 



