BT THOMAS G. SLOAXE. 139 



long- (1 >^ 1.3 mm); sides rouutled, angnstate to base; base areuate-tnmeate, 

 angles obtuse; border thick, extending round basal angles on each side; lateral 

 basal fovea wide,, shallow, punetulate. Elytra wider than prothorax (2.65 X 

 1.75 mm.), strongly declivous to apex; inner humeral angles widely obtuse; 

 apical curve short, without lateral sinuosities; striae entire, fine but well defined, 

 Eeeond rising from a rather large puncture; interstices depressed. Length, 4.2, 

 breadth, 1.75 mm. 



Hah. — Strahan (Lea). Unicjue. 



Allied to E. comes SI., from which it presents the following differences: — 

 legs black; eyes less convex; protliorax more strongly narrowed to base, less 

 densely punctate along base, ])articularly near angles. 



Tribe Merizodini, trib. nov. 



Antennae with second and third joints setulose; mandibles with a seta in 

 groove of outer side; maxillary palpi with penultimate joint setiferous, apical 

 joint glabrous. Elytra -with margin interrupted posteriorly by an inner plica, 

 eighth interstice carinate towards apex. 



I have formulated this tribe for the Australasian siaeeies hitherto put in the 

 genus Oopterus. Dr. R . Jeannel, of Toulouse, has examined the genotype, Oopte- 

 rus elivinoides Guerin, and ha.s kindly communicated to me the fact that not only 

 is it not congeneric with the New Zealand species hitherto refen-ed to as Oopterus, 

 but actually belongs to another tribe of the Carabidae; this leaves the South 

 American Merisodus as the first described genus of this tribe, and therefore the 

 one from which the tribal name must be taken. The characters given above 

 differentiate this tribe from the Treehini. The only extra- Australasian genus of 

 the tribe known to me is Merizodus, the genotype of which, 1/. angusticolUs Solier 

 from Chili, I have examined. 



Table of genera. 



Eyes large, prominent. 



Head with two supra-orbital setae on each side. 



Elytra bordered on base; prothorax without a submarginal carina. 



Facies Oodes-WV-e. Prothorax with posterior marginal seta present. 



Bb.\chtdema. 

 Facies Hnrpa!iis-\'\Ve. Prothorax without posterior marginal seta 



Pebcodebmus. 



Elytra not bordered on base; prothorax with a submarginal carina 



near basal angles, posterior marginal seta present . . . . Merizodus. 



Head with one supra-orbital seta on each side. [Prothorax with a 



submarginal carina and a marginal seta near basal angles: elytra 



with border obsolete except beside humeral angle.] . . Pteroctbtus. 



S (Ii Eyes small, depressed. [Prothorax narrow, near basal angles concave 



and without submarginal carina; legs unusually long.) Idacababus. 



Genus B E A c H V D E II a. 



Brac'HYDema TASMAXiAE SI. (^ B. cictorioe SI.) 



I now believe I was wrong in trying to differentiate the Tasmanian and Vic- 

 torian forms from one another. 



Hab. — Denison Gorge (Simson No. 3126), Hobart (Lea); Warburtim. Vic- 

 toria (Sloane). 



