BY THOMAS (1. SLOAXE. 151 



Tribe Bembidiini. 



Table of Tasmanian genera. 



1 (41 Elytra with a scutellar striole at base of first interstice; anterior 



tibiae not oblique at apex. 



2 (3 1 Clvpeus decidedly obliquely narrowed to apex Behbidium. 



3 (21 Clypeus short, wide, hardly narrowed to apex Cillenum. 



■i (1) Elytra without a scutellar striole: anterior tibiae oblique above apex 



externally Tachys. 



Genus B e m b i d i u ii. 



Bembidium dubium Blaekburn. 



)/a6.— Cleveland (Simson, No. 3505). 



Genus C i l l e x u m. 



CiLLEXuir MA.STERSI Sloane. 



I cannot differentiate specimens in the Simson collection from specimens from 

 Sydney. Ilfracombe ("on beach," Simson). 



Genus T a c h t s. 

 Table of Tasmanian .species. 



1 (4) Elytra with a submarginal stria on middle of sides (indicated by some 



punctures in Tasmanian species 1. 



2 (3) Elytra 6-striat6: prothorax strongly rounded on sides. Length. 2—2.2 



mm sni/is/ria/iis Blackb- 



3 (2) Elytra 5-striate: prothorax lightly rounded on sides. Length, 2.2 mm. 



tlindersi Blackb. 



4 (1) Elytra with submarginal stria obsolete on sides. 



5 (6) Form short, oval, very convex; prothorax not perceptibly narrowed to 



base; elytra lae-vigat?, unistriate on each side of suture, unipunctate 

 on disc, apical striole well developed. Length, 2.2 mm. 



hifoveatui Ma:l. 



6 (51 Depressed; prothorax evidently narrowed to base; elytra bipunctate 



on disc, apical striole obsolete. Length. 1.5-1.7 mm. 

 , t apt lis Blackb. 



All these species also occur on the mainland. 



Tachts semisthiatus Blackburn. 



llah. — Stralian (Simson), Latrobe, Jordan River, Hobart, Kina Is. (Lea). 



Tachy.s flixderst Blackburn. 



//('/). — Jordan River (Leal. 



Tachys bifoveatus Alacleay. 



Hah. — West Tauiar (Simson). 



Tachys captus Blackburn. 



Allied to T. (Pohjderis) brevicornis Cbaud., of the northern hemisphere. I 

 have not seen it from Tasmania, but Mr. Lea has recorded it in his "List" of 

 1902. 



