BY THOMAS G. SLOANE. 469 



raised above the plane of the prothorax, inflexed margin wide ; 

 anterior tibiae multidentate externally. 



Black, polished ; prothorax and elytra with a narrow green 

 margin. Head subquadrate (4 x 6*5 mm.), smooth ; frontal sulci 

 deep, parallel backwards, curving outwards in front in a deeply 

 marked course ; pre-ocular sulcus very lightly impressed ; pre- 

 ocular process small ; clypeus truncate behind labrum, the lateral 

 projections strong and triangular ; one supra-orbital puncture on 

 each side ; eyes deeply set in orbits, not prominent. Mandibles 

 long and strongly toothed. Mentum wide ; the median tooth 

 strong, keeled. Palpi with last joint triangular ; penultimate 

 joint of labial long, narrow, plurisetose ; second and third joints 

 of maxillary with two or three strong setse in front. Antennse 

 slender, lightly compressed, not thicker towards apex ; second 

 joint much shorter than third ; apical joint short, obtuse. Pro- 

 thorax transverse (5*4 x 9-3 mm.), depressed, gently declivous 

 towards sides in front ; sides rounded, hardly at all so in middle 

 of their length, more decidedly and equally so towards anterior 

 and posterior angle ; anterior margin truncate between anterior 

 angles, these broadly and roundly advanced ; posterior angles 

 sub-rectangular, prominent, their summit rounded ; base truncate, 

 very lightly bisinuate, the middle part very lightly and widely 

 produced backwards ; border widely reflexed on sides, very promi- 

 nently so at posterior angles, narrower and without any sinuosity 

 on middle of base ; marginal channel wide, except across middle 

 of base ; median line strongly impressed and placed in a longi- 

 tudinal depression ; two setigerous punctures on each side, both 

 placed on the marginal border a little within its edge, the anterior 

 a little behind the anterior angle, the posterior a little behind the 

 posterior angle. Elytra subcordate (13-75 x 9*6 mm.), widest a 

 little behind the shoulders, truncate on base, rounded at shoulders, 

 widely rounded behind, convex, very declivous behind ; border 

 widely reflexed, indistinct on the basal declivity, thickened at 

 each humeral angle to form a wide, short, hardly prominent 

 projection ; a strong puncture on the disc of each elytron just 

 above the posterior declivity ; basal declivity very . deep and 



