198 RF.VISIONAL NOTES ON AUSTRALIAN CARABIDAE^ 



17 (20) Elytra with more than two striae. 



18 (19) Elytra 6-striate, 2-maculate. 3 mm helmsi SI. 



19 (18) Elvtra o-striate, 4-maculate. 2.8 mm slriulnl a.i 'iilsicl. 



20 (17) Elvtra 2-striate. 



21 (22) Black, elytra with two red maculae. 2.9—3.1 mm. ovensensia Blackb. 



22 (21) Brown, elytra with four testaceous maculae. 2.5 mm. fktvicornis SI. 



23 (8) Prothorax with an ante-basal triangular tubercle marking posterior 



angles. (Elytra 1-striate, 4-maculatel. 2,3 — 2.8 .. . . eo)i!'CX!;.'f. Macl. 



24 (7) Frontal sulci elongate, deep, converging and crossing clypeus. (Elytra 



1-striate, 4-maculatel. 2 mm curticollif: SI. 



25 (6) Prothorax without a transverse basal impression. Elytra with border 



subprominent just behind shoulders; lateral channel obsolescent on 

 base. 



26 (27) Prothorax with basal angles marked by a little tubercle. Elytra 2- 



striate. 2.5 — 2.7 mm spevcrri SI. 



27 (26) Prothorax with basal angles not tuberculate. Elytra 1-striate. 2.S mm. 



iaspideus SI. 



28 (II Elytra with ninth interstice depressed, often not indicated on middle 



of sides; eighth stria entire, or represented by a row of punctures 

 along sides, or obsolete at least in middle. 



29 (68) Elytra with two fixed punctures on disc [in T. lifovcatvs Mad., and 



extra-Australian allied species only the posterior (non-setiferous) punc- 

 ture present], and a puncture on inner side of apical striole (if pre- 

 sent) far back. 



30 (39) Upper surface of head and prothorax (also elytra, except in T. uilsotu 



SI. I more or less punctulate. Anterior discal puncture of elytra out- 

 side third interstice. Posterior tarsi short. 



31 (32) Prothorax transverse,, wide across base, with a submarginal basal 



carina. Elytra with eighth stria entire; two setiferous punctures on 

 fourth interstice, anterior at basal sixth, posterior ju'st before apical 

 dechvity. 2.5 — 2.8 mm brunjiiprniiis Mad. 



32 (311 Prothorax subcordate, angustate to base, no submarginal basal carina. 



Elytra with eighth stria obsolete on sides; three setiferous punctures 

 (two discal) anterior on or at position of fourth interstice, posterior 

 high up on apical declivity ; an abbreviated fifth stria present towards 

 base. 



33 (38) Fonii narrow, depressed (more than twice as long as broad). Frontal 



sulci long, deep, parallel. Elytra minutely punctate, at least four 

 inner striae marked. 



34 (37) Head not narrowed behind eyes; eyes of ordinary size. 



35 (36) Brown. Prothorax distinctly shagreened and punctate. 1.75 — 24 mm. 



iinirruinbidycnsi.s SI. 



36 (35) Black. Prothorax nitid, puncturation very faint and microscopic. 2.4 



mm Jt'Ui SI. 



37 (341 Head obliquely narrowed behind eyes; eyes small and distant from 



buccal fissure beneath. Testaceous. 2 mm ubliguiceps SI. 



38 (33) Form stout, convex (about twice as long as broad). Frontal sulci 



short, shallow. Elvtra impunctate. first stria, and fifth near base 

 marked. 2 mm. wilsoni SI. 



39 (30) Upper surface impunctate (excepting for fixed setiferous punctures). 



40 (65) Elytra with a well developed apical striole and a puncture beside inner 



side of this stride far back. 



41 (58) Elytra with eighth stria indicated on sides, and extending forward at 



least as far as anterior punctures of ninth interstice. 



42 (47) Prothorax with a submarginal carina. 



43 (441 Prothorax very wide across ba.se, parallel on sides. Elytra depressed on 



disc. Bicoioured. 3 mm rctromioidcs SI. 



44 (43) Prothorax evidently narrowed to ba.se; sides oblique posteriorly. Elvtra 



conve.x. black 



45 (461 Elytra bistriate, eighth stria strongly impressed on sides. 2.6 mm. 



atridrnnii SI. 



