BY THOMAS G. SLOANE. 581 



Tachys obliquiceps, n.sp. 



Elongate, depressed. Head large, obliquely narrowed but not 

 constricted behind eyes (derm microscopically shagreened and 

 sparsely punctulate) ; prothorax small, subcordate, depressed; 

 elytra with four inner strire marked, 5th strongly impressed near 

 shoulders, submarginal stria (8th) obsolete on sides; anterior 

 tibiae oblique above apex on external side. Testaceous, nitid. 



Head large; front strongly biimpressed, the impressions deep, 

 wide, parallel, extending forward to anterior margin and back- 

 wards to about opposite base of eyes; clypeus truncate; e3^es 

 lightly convex, not prominent, coarsely faceted, distant from 

 mouth beneath. Mandibles long, prominent. Antennae rather 

 long; basal joint with a few long setae, 2nd and 3rd sparsely 

 setose, 4th-llth pubescent (moniliform). Maxillary palpi with 

 penultimate joint thick, pyriform, pubescent, apical joint a mere 

 projecting spike; labial palpi small, apical joint a short projecting 

 spike, very slender but longer than that of maxillary. Ligula 

 bisetigerous. Prothorax hardly wider than head, broader than 

 long, broadest about anterior fourth (at anterior marginal seta), 

 lightly narrower to base, depressed; sides lightly rounded ante- 

 riorly, lightly sinuate posteriorly and meeting the base at right 

 angles; posterior angles sharply rectangular; base truncate on 

 each side, produced roundly backw^ards above peduncle ; a 

 transverse impression on each side of base extending inw^ards 

 from basal angles almost to median line; this strongly impressed, 

 attaining base. Elytra wider than prothorax, parallel on sides; 

 base emarginate behind peduncle, shoulders prominent but with- 

 out any projection at junction of lateral and basal borders; disc 

 lightly striate; four inner stride lightl}^ marked, 5th strongly im- 

 pressed near base and joining lateral channel; interstices flat, 

 microscopically punctate (the punctures not setigerous); each 

 elytron with three discoidal punctures — two on course of 3rd 

 stria (anterior about basal fifth, the other about middle of elytra), 

 posterior puncture on 2nd stria at beginning of apical declivity; 

 two short rather strongly impressed strioles on apical declivity 

 37 



