Mr. F. P. Pascoe on the Brenthidsc. 389 



rising on each side into a short, vertical tooth, the apex, including one- 

 third the rostrum, ferruginous, gradually expanding at the side, and 

 terminating in a horizontal triangular wing, within the margin on each 

 side, but not continued to the apex, an elevated line crowned with five 

 teeth ; antennae ferruginous, about two-thirds the length of the body, 

 the joints, except at the base, nearly terete, and longitudinally corru- 

 gated ; eyes small, round ; prothorax impunctate, yellowish ferruginous, 

 shining; elytra black, roughly pwnctate-striate, with an interrupted 

 yellow line near the suture, another line sometimes externally, the 

 apex slightly divaricate, then truncate, each angle of the truncated 

 portion furnished with a small callosity; legs ferruginous, nearly 

 smooth, shining, all the femora clavate, the anterior longest, beneath 

 and towards the apex an oblique acute spine, anterior tibiae dilated 

 beneath, the apex with a strong exterior spine ; body beneath yellowish 

 ferruginous, smooth, shining. Length (with rostrum) 12 lines. 



The female has the antennas shorter and inserted near the base of 

 the rostrum, which, from that point, is round, smooth, and nearly 

 linear. 



It seems to me desirable to separate from the great genus Arrhenodes 

 those species with a slender, comparatively elongated rostrum, head 

 abruptly excised almost directly behind the eyes, and veiy small 

 mandibles; the latter organs, indeed, if contrasted with those of 

 Arrhenodes, seem to indicate a very considerable difference in their 

 economy. I have named this group Onjchodes ; and it will include 

 Brentus serrirostris, Fab., Arrhenodes digramma, Bois., and some 

 new species, one of which I have described below. 



Oetchodes. 



Caput breve, pone oculos excisum, collo brevissimo. Rostrum mediocre, 

 tenue, apicem versus dilatatum, angulatum, subtris costatmn ; mandi- 

 bulis parvis. Antenna mediocres, articulis inferioribus obconicis, ex- 

 terioribus subcylindricis, prope medium rostri insertae. Prothorax 

 elongato-ovatus, haud canaliculars. Elytra subcylindrica. Pedes 

 robusti, antici longiores ; femora dentata ; tibiae curvatae ; tarsi brevius- 

 culi. 



Orycliodes pictiis. 



O. nigro-piceus, nitidissimus ; capite postice mutico; prothorace valde 

 elongato ; elytris luteo maculatis ; femoribus medio laete luteis. 



Hab. Batchian. 



Subdepressed, pitchy black, very smooth and glossy ; head very short, 

 abruptly excised directly behind the eyes, without any spine ; rostrum 

 shorter than the prothorax, thickish and smooth at the base, canalicu- 

 late above to nearlv the insertion of the antennae, where it has a 



