BY THOMAS G. SLOANE. 577 



formerly given by me (These Proceedings 1896, xxi. Pt. 3, 

 pp. 350-359) with T. ectromioides, SI. It has the prothorax with 

 a submarginal lateral carina near base; elytra full}^ striate, with 

 interstices convex, la^vigate (neither punctate nor shagreenecl); 

 apex without a recurved striole. I would tabulate the three 

 Australian species of 2'achys, known to me, with the prothorax 

 having a submarginal carina near the base, thus* : — 



Ui^per surface finely punctulate. (Elytra with a well marked apical striole) 



T. hrunnii)ennis, Macl. 



Upper surface impunctate. 



Elytra unicolorous, interstices convex, levigate,.. T. avqilipennis, Macl. 



Elytra bicolorous, interstices depressed, shagreenecl T. ectrovtioides, SI. 



T. (Bembidium) sexstriatus, Macl. 



I have examined the type specimens in the Australian Museum, 

 and find this species closely allied to T. africeps, Macl., but it is 

 larger, wider, more convex and differentl}^ coloured. I have 

 noted the following characters as belonging to the type speci- 

 mens : — Head with frontal impressions wide, shallow; prothorax 

 evidently narrowed to base; elytra with submarginal stria obso- 

 lete on sides, discoid al puncture placed a little before middle 

 nearer suture than lateral margin, disc with strongly impressed 

 punctulate stri?e (a wide dark fascia across middle), apex with a 

 well marked recurved striole. Prothorax testaceous. 



Tachys queenslandicus, n.sp. 



Elongate -oval, depressed. Head impunctate, with wide shallow 

 frontal impressions; prothorax transverse, lightly narrowed to 

 base; elytra lightly striate near suture, submarginal stria obsolete 

 on sides, a setigerous puncture a little before middle on course of 

 third stria, a second similar puncture on apical declivity just 

 within anterior extremity of the strongly impressed recurved 

 striole. Black, or piceous, elytra with pale markings; legs jDale 



* The other species is T. [Bemhidium) victoricnsis, Blkb., unknown to me 

 in nature. 



