New Species of Slaphylinidae from. Singapore. 239 



Antennae fuscous, the first three joints and apex of the last, mouth- 

 parts and k^gs testaceous. Length 2 mm. 



Head about as broad as long, pentagonal, the eyes rather small 

 and not prominent, the temples straight and convergent posteriorly ; 

 moderately iiiiely, closely and superficially punctured at the sides 

 and posteriorly almost impunctate in front; finely pubescent. 

 Antennae with the first three joints gradually decreasing in length, 

 the 4th as broad as long, the 5th to the 10th transverse, gradually 

 increasing in breadth, the penultimate three times as broad as long, 

 the 11th rather stout, oval. Thorax transverse, nearly one and a 

 half times broader than long, broadest at the middle, the sides 

 gradually lounded and contracted both in fiont and behind, but 

 more strongly jsosteriorly, posterior angles obtuse a little prominent ; 

 sides and base bordered, the latter scarcely bisinuate; disc trans- 

 versely impressed in front of scutellum and with a large puncture 

 on either side between the impression and the posterior angles; 

 puncturation moderately fine and moderately close somewhat 

 asperate; pubescence fine. Scutellum transverse, coriaceous. 

 Elytra a little longer and broader than the thorax, the sides nearly 

 straight, moderately finely, moderately closely and asperately 

 punctured; finely pubescent. Abdomen veiy finely and spajjngly 

 punctured and pubescent, finely coriaceous. 



Hab. In rotten wood, Biikit Tinuih. 



PSEUDOIMIAENA, n. gen. 



Labrum transverse, truncate anteriorly, the sides and anterior 

 angles rounded. Mandibles rather stout, curved pointed, the right 

 with a tooth at the middle of the imier margin, the left simple. 

 Maxillary i)alpi 4-jointed, the 1st joint small, the 2nd elongate, 

 lightly curved and widened towards the apex, the 3rd as long as, 

 but stouter than the 2nd, the 4th much narrower and about half 

 as long as the 3rd, cylindrical. Inner lobe of the maxilla narrow, 

 the imier margin anteriorly furnished with short stout jjcctinations, 

 posteriorly with much longer and stouter ones; outer lobe cihate- 

 plumose at the ajiex. The tongue narrower at the base, widened 

 anteriorly and divided for one-third of its length, and extending 

 to the level of the midtUe of the 1st joint of the labial palpi. J.*ara- 

 glossae distinct, cihate. Labial palpi 2-jointed, the 1st joint elongate, 

 distinctly constricted at the middle of the imier margin, the; 2nd 

 nearly half as long as, but narrower than the 1st, bulbous at the 

 tip. Gular sutures distant, diverging behind. Temples bordered 

 below. Prosternum acuminate posteriorly; mcsosternal process 



