AMERICAN PHILOSOPHICAL SOCIETY. 503 



Approaches the preceding, but, color apart, it may bo known 

 by the thorax being more coutracted behind. 

 [Also a Tiuhija. — Lec] 



12. 13. L.EVUM. — PiceoiLs; palpi whitisli ; elytra destitute of 

 striae. 



Length one-twentieth of an inch. 



Body piceous tinctured with rufous ; head rather darker ; an- 

 teunoc paler at base ; palpi whitish ; thorax transversely sub- 

 (juadrate, broadest before the middle, hardly narrowed behind, 

 lateral edge not excurved behind, posterior angles slightly obtu.sc, 

 angular, basal edge nearly rectilinear, dorsal line obsolete, basal 

 ones wanting ; elytra impunctured, destitute of striae, except- 

 ing an obsolete sutural one ; feet testaceous. 



I arrange this species with Bcmhidium from the habit, the 

 palpi in the specimen I possess being mutilated. [89] 



[A Ttulii/s afterwards described as B. trojfiKlijtrs Doj. — Lkc] 



13. B. VARIEQATU.M. — Black ; head and thorax tinged with 

 greenish ; elytra varied with testaceous j feet pale piceous. 



Length one-fifth of an inch. 



Body impunctured, glabrous, beneath black; head black 

 slightly bronzed ; antenn.TC and palpi fuscous, base piceous ; tho- 

 rax blackish slightly bronzed, tinged each side with green, 

 broadest in the middle, a little contracted behind, lateral edge a 

 little excurved near the biuse, posterior angles rectangular, dorsal 

 and basal lines distinct, an elevated acute line at the posterior 

 angles ; elytra black variegated with testaceous, or testaceous 

 varied with black dots and lines, and with a slight cupreous 

 tinge, striyc punctured, profound, interstitial lines convex, third 

 one with two distant punctures. 



Very closely allied to B. dorsalis, which may be a mere variety 

 of this insect. This species is subject to great variety in its 

 elytral markings, the chief color of the elytra being sometimes 

 black and sometimes pale testaceous, with a greater or less 

 number of lines and spots. 



14. B. TETRACOLUM. — Grcenish-black ; feet rufous; elytra 

 each with two rufous spots. 



Length nearly one-fourth of an inch. 

 1823.] 



