484 ON CARABID^F. FROM WEST AUSTRALIA, 



basal angles obtuse; median line well-marked on disc; a longitu- 

 dinal impression on each side of peduncle, external basal impres- 

 sion wanting ; posterior marginal seta placed in a foveiform 

 puncture a little within basal angle. Elytra oval (4-5 x 3 mm.); 

 sides rounded; base truncate; basal border arcuate on posterior 

 margin, prominent (shortly subdentate) at humeral angles; basal 

 striole of second interstice elongate. 



Length 8, breadth 3 mm. 



I/ah. — Mount Barker (Lea, one specimen). 



This species is readily distinguished from the other described 

 Australian species with short metasternal episterna by its more 

 elongate form, the elytra narrower, less strongly rounded on the 

 sides, more deeply striate and with convex interstices. It is 

 evidently allied to <S'. picescens, which Chaudoir described as 

 from the Philippine Islands, at the same time indicating that he 

 suspected it might be from Australia. It agrees with S. picescens 

 (from the description) in its short metasternal episterna, and the 

 striation of the elytra; but apparently differs by its larger size, 

 and the elytra wider than the prothorax. The close resemblance 

 that seems to exist between .S*. occultus and *S'. picescens lends 

 additional force to Chaudoir's suspicion that Australia is the 

 true habitat of S. picescens. 



93. S. LEAi, n.sp. 



Robust, oval, short ; head convex, eyes globose ; prothorax 

 transverse, wider at base than apex, margins explanate near basal 

 angles ; elytra truncate-cordate, lightly striate, third interstice 

 tripunctate along course of third stria; episterna of metasternum 

 short. Reddish-piceous-brown. 



Head Ijevigate, large, shortly and strongly biimpressed between 

 antennse; clypeal suture strongly impressed; head bordered in 

 front of eyes above base of antennae, this border defined by a 

 light preocular sulcus; space between frontal impressions and pre- 

 ocular sulcus convex. Prothorax hevigate, transverse (1-5 x 2 1 

 mm.) ; sides rounded ; apex lightly and widely emarginate ; 

 anterior angles widely obtuse; base truncate; posterior angles obtuse, 



