374 ON THE AUSTRALIAN BEMBIDIIDES, 



macula, posterior puncture in middle of subapical macula; border 

 finely reflexed, extending from peduncle to apex; three or four 

 setigerous punctures near margin behind shoulders, three fovei- 

 form submarginal impressions towards apex of each elytron. 



Length 3, breadth 1-25 mm. 



Hah. : King's Sound (Froggatt; Macleay Museum). 



I know no Bembidiid closely allied to T. macleayi ; its affinity is 

 probably with Bemhidiibm hijjartitum, Macl.,a species I have never 

 critically examined. The legs and antennae are long, the antennae 

 reaching back as far as the posterior maculoe of the elytra; the 

 elytra are smooth without a submarginal stria on sides, and the 

 marginal channel is not impressed. 



Pyrrotachys, n.gen. 



Form parallel, depressed. 



Head setigero-punctate, strongly constricted behind eye^ ; 



frontal impressions arcuate, extending backwards behind 



eyes. 

 Mandibles long, prominent, decussating. 

 Palqn with penultimate joint laevigate, swollen; terminal joint 



elongate, cylindrical. 

 Antennce long, light, compressed, not narrowed to apex; terminal 



joint long, oval. 

 Prothorax setigero-punctate. 

 Elytra setigero-punctate, substriate, without striole on apex or 



submarginal stria on sides; margin not interrupted posteri- 

 orly by an internal plica. 

 Anterior tibice elongate ; external side hardly oblique above 



apex; a short acute spur a little above apex externally. 



Apparently this genus represents a distinct group among the 



Subulipalpi The absence of the slightest interruption of the 



margin of the elytra towards the apex or of any sign of a plica 



on the inner side of the elytra near the margin seems an important 



