436 STAPHYLINIDAE 



strigose but irregularly wrinkled ; supra-ocular area finely 

 strigose, greasy-lustrous; vertex smooth and shining in the 

 middle, at the sides with a few interrupted strict' ; base finely 

 and closely punctured and coriaceous, shining. Antennae 

 with the 4th to 8th joints longer than broad, 9th and 10th 

 about as long as broad. Thorax a little broader than lt)ng, 

 the sides gradually narrowed in a nearly straight line from 

 the prominent anterior to the rounded posterior angles, 

 adjacent to w^hich is a small impression, middle of disc rather 

 broadly smooth, and with an obsolete oblique impression 

 nearer the base on either side of the middle line ; base and 

 posterior angles impunctnte, the rest of the surface very finely 

 punctured, the punctures somewhat elongate, closer at the 

 sides wdiere by more or less coalescing a few fine striae are 

 formed. Elytra distinctly longer than broad, finely wrinkled, 

 not coriaceous. Abdomen coriaceous, finely and sparingly 

 punctured with traces of irregular strife towards the sides. 

 Baram district, 2 specim.ens. 



OsOrJUS DIVEESICOLLIS n. sp. 



Black, moderately shining, declivous part of head feebly, 

 irregularly longitudinally strigose, at the sides sparingly, 

 asperately, punctured, supra-ocular region finely, regularly 

 strigose ; vertex with fine irregular confluent striae ; occipital 

 region punctured and without ground sculpture. Thorax 

 transverse, sides straight, narrowed behind, with very 

 irregular, confluent superficial impressions giving a vermicular 

 appearance to the sculpture. Elytra coarsely wrinkled, not 

 punctured. Abdomen coriaceous, very finely and sparingly 

 punctured. Abdomen and legs ferruginous. Length 7.8 mm. 

 Head as above described. Antennae slender, the 9th and 10th 

 joints scarcely longer than broad. Thorax greasy lustrous, 

 with prominent anterior and rounded posterior angles, the 

 sides straight ly convergent behind, somewhat obsoletely 

 impressed near the posterior angles, disc narrowly impunctate 

 in the middle line and not coriaceous, sulcate for the anterior 

 third, base impunctate and coriaceous, the rest of the surface 

 curved with very irregular, confluent, superficial impressions. 

 Elytra distinctly longer than broad, coarsely wrinkled, 

 coriaceous only at the base, greasy-lustrous. Abdomen 

 coriaceous, sparingly punctured. 



Baram district, a single specimen. 



