44'2 STAPHYLINIDAIS. 



before the scntellum, the posterior half with a very fine 

 smooth hne in the middle, the rest of the burface very 

 similarly punctured to the head, the sides setose. Elytra a 

 little broader and distinctly longer than the thorax, a little 

 longer than broad, closely, finely, asperately punctured. 

 Abdomen closely and more finely punctured than the fore parts 

 throughout and closely grey pubescent. 

 Baram district, a single 9 specimen. 



Staphylinin.^. 

 Pachycorynus borneensis n. sp. 



Head and abdomen black, the apex and posterior margins 

 of the segments narrowly testaceous ; thorax pitchy ; elytra 

 fusco-testaceous. Antenna and legs testaceous. Length 

 3.3 mm. 



Somewhat similar to L. crihricoUis Fauv., but the head 

 flatter and a little longer, less finely punctured (on the disc), 

 thorax rather narrower and less finely punctured, elytra rather 

 more closely punctured. Head a little longer than broad, 

 depressed, the temples parallel, the posterior angles briefly 

 rounded; frontal grooves well marked, the lateral foveate ; 

 temples very finel}^ moderately closely punctured, middle of 

 disc rather broadly smooth, the rest of the surface moderately 

 coarsely and rather closely punctured and with distinct 

 transversely strigose ground sculpture. Antenna? with the 

 3rd to 10th joints transverse gradually increasing in breadth. 

 Thorax fully one and half times longer than broad, more finely 

 punctured than the head, on the disc about as closely, with 

 smooth median space and scarcely visible ground sculptm-e. 

 Elytra a little longer than the thorax, much longer than 

 broad, rather finely, moderately closely, superficially punctured 

 and without ground sculpture. Abdomen very finely and 

 sparingly punctured, finely, transversely strigose. 



Mt. Murud, 6000 feet, 2 specimens. 



Pachycorinus dilaticeps n. sp. 



Black, moderately shining, apex of abdomen reddish-tes- 

 taceous; head dilated behind the eyes, narrowed in front; 

 elytra longer than broad, finely and closely punctured. 

 Antennas and legs reddish testaceous, femora more or less 

 blackish along the anterior margins. Length 5.4 to 5.8 mm. 

 Head suborbicular, rather strongly dilated and rounded 



