103 



base lightly sinuate on each side, the median part truncate and 

 projecting slightly behind the marginal parts ; lateral margins 

 broad and upturned behind, narrower in front, without reflexed 

 border or setigerous punctures ; disc rugulose and punctate ; an 

 arcuate transverse impression in front ; median line lightly 

 marked. Elytra parallel, ovate, (8| x 5 mm.), costate ; the cost;e 

 (8 on each elytron) shining, subequal, not strong or carinate, 

 sparsely and very tinely punctate, 8th rather obliterate on the 

 sides, but conspicuous and strongly marked towards the apex ; 

 base truncate, declivous ; apex subsinuate ; marginal border 

 carinate, interrupted towards apex, extending on base to the 

 peduncle, more prominent, though rounded, at humeral angles ; 

 border of apex rising at end of lateral border, Ijetween it and 8th 

 costa, in a short grooved carina, the inner edge of the groove ex- 

 tending almost to the tips of the elytra ; a row of thinly placed 

 shallow umbilical punctures on the sides between 8th costa and 

 border. Under surface thinly covered with short hairs, these 

 hairs placed in rugulose punctures on the legs and segments of 

 abdomen. Anterior tibije strongly bent on outer edge and very 

 strongly excavate on inner side. Length 15, breadth 5 mm. 



Platynus papuexsis, sp. nor. 



Male. — Black, shining : undersurface, legs, and antenna^ pitchy 

 black. Head small, smooth, a faint impression on each side behind 

 the suture ; clypeal suture not visible ; mandibles long, acute at 

 apex, sci'obe without a setigerous puncture ; labrum prominent, 

 truncate ; clypeus short with a setigerous puncture on each side ; 

 eyes prominent ; labial palpi with last joint shorter than penulti- 

 mate, slender, narrowed to apex ; maxillary palpi with last joint 

 narrow, elongate, pointed, about equal to penultimate in length. 

 Prothorax transverse, [\\ x 2| mm.), not convex, rounded on the 

 sides, hardly narrowed behind, anterior margin broadly emarginate, 

 bordered ; base with median part truncate, narrowly bordered ; 

 anterior angles rounded, posteiior angles rounded, but marked ; 

 lateral margins narrowed in front, broad and upturned ])ehind ; the 

 usual lateral impressions of the base almost obsolete ; a setigerous 

 puncture on the edge of the margin at each posterior angle ; 

 median line very lightly marked. Elytra broader than prothorax, 

 (5^ X 3^ mm.), rather Hat on the disc, declivous towards the sides, 

 sinuate behind, finely striate ; the interstices Hat, equal, .3rd tinely 

 bipunctate on apical half, the punctures near the 2nd stria ; 9th 

 sparingly punctate, the punctures interrupted in the middle, an 

 abbreviated stria near scutelluni ; basal border arcuate behind, 

 continuous with lateral border, this narrowly reflexed. Legs 

 slendei- ; anterior femora short, thickened in the middle, canali- 

 culate below ; anterior tibiae distinctly sulcate on outer side, apex 

 with an acute spine projecting forward on inner side, and a shorter 



