296 Mr. II. E. Andrewes on Oriental Carabidaa. 



Pitch-black above, dark red beneath; tibiae and tarsi nearly 

 black. 



Head large (3*75 mm. wide), flat, uneven, sides of front 

 depressed, leaving a raised area in middle, a few setiferous 

 pores on vertex and sides; front margin of labrnm 12-setose, 

 including a large setiferous pore on each side, just behind 

 the rounded angles; clypeus transverse, with well-marked 

 suture, finely and remotely punctate, slightly emarginate in 

 front, a seta at each side. 



Prothorax transverse (4'0 x 3*5 mm.), moderately convex 

 on disk, margins explanate and reflexed behind, with half-a- 

 dozen setiferous pores ; apex widely but faintly emarginate, 

 much wider than base, which is truncate; sides almost 

 parallel in front, rather strongly contracted about middle 

 and sinuate before base ; front angles sharp, slightly acute, 

 porrect, hind angles right, but sharp, projecting a little 

 laterally, median line short, bounded by transverse impres- 

 sions, which are well marked ; surface shiny on disk, Avith 

 a few coarse setiferous punctures, margins rougher, longi- 

 tudinally striate in front, coarsely and irregularly trans- 

 versely striate along base. 



Elytra elongate, parallel, not quite three times as long as 

 prothorax, shoulders carinate but not dentate, a recurved 

 outwardly channelled tooth at a fourth from apex; striae 

 deep, coarsely shagreened and vaguely punctate, intervals 

 smooth, odd ones seriately punctate, an uninterrupted row 

 of umbilicate pores along margin. 



Underside sparsely punctate and pubescent, more evidently 

 on ventral surface; front femora with a strong tooth. 



Much larger and darker than I. castaneus, surface rougher, 

 front margin of labrum 12-setose, instead of 8-setose, front 

 femora with a strong tooth (in /. castaneus the front femora 

 have a short fine carina on the middle of the underside, 

 which occasionally develops into a moderate tooth). 



Tonkin : Hoabinh, 2 ex. (R. Vitalis de Salvaza). The 

 type is in the British Museum. 



Diianya, gen. no v. 



Ligula short, truncate at apex, quadrisetose, paraglosste 

 wanting. 



Mentum with a broad rounded tooth in the emargination, 

 much shorter than side lobes, which are outwardly rounded 

 and obtuse at apex. 



Palpi sparsely setose, acuminate at apex ; in the maxil- 

 laries 4 is half as long again as 2, which is strongly dilated 



