434 STAPHYLINrDAE 



posterior than at the rounded anterior angles, narrowly 

 impressed at the sides for the posterior two-thirds ; disc- 

 posteriorly near middle line very obsoletely impressed ; 

 sculpture as on the head. Elytra broader and fully half as 

 long again as the thorax, the sides parallel, puncturation as 

 on the thorax, but without ground sculpture. Abdomen 

 greasy-lustrous, very finely and rather sparingly punctured, 

 finely coriaceous. 

 Mt. Murud, 5000 to 6(X>0 feet. 4 specimens. 



OSORKTS BIDENS n. sp. 



Black, shining ; front of head on either side with a 

 moderately long, slender, slightly decurved horn; declivous 

 part of head impunctate, smooth, shining, slightly produced 

 in the middle and impressed ; supraocular region striate ; vertex 

 smooth in the middle on either side with two or three short 

 feeble strife and a few fine aspera'te punctures ; occipital region 

 smooth and shining" ; thorax ^^■ith a few fine scattered punctures. 

 Antennae and legs pitchy-brown. Length 11 mm. 



Near 0. bicornis Heller, hut larger and more robust, the 

 frontal horns longer and more slender, the antennae with the 

 penultimate joints longer than broad, elytra more distinctly 

 sculptured, the abdomen less finely and rather more closely 

 punctured. Head on either side with a slender, slightly 

 decurved, pointed horn, the front a little produced in the 

 middle and foveate, impunctate and without ground sculpture ; 

 labrum broadly emarginate, transversely strigose, at the 

 anterior margin with a row of small a^sperate punctures ; 

 supra-ocular region shining with a few fine striae ; vertex 

 smooth in the middle and without ground sculpture, on either 

 side with three or four feeble stria:^, more or less broken up 

 into elongate punctures; occipital region shining, coriaceous 

 and with a few fine punctures anteriorly. Antennae rather 

 long, the 3rd joint longer than 2nd, 4th to 10th all distinctly 

 longer than broad, 11th a little longer than 10th. Thorax 

 transverse, the sides very slightly rounded, very feebly 

 emarginate before the rounded posterior angles and moderately 

 broadly impressed adjacent thereto ; anterior angles not 

 prominent ; disc with a large puncture on either side of the 

 middle, the rest of the snrfnce extremely finely and extremely 

 sparingly punctured and without ground sculpture. Elytra 



