450 ON CARABID^E FROM WEST AUSTRALIA, 



by its more slender legs, the femora hardly swollen in the middle; 

 the prothorax with sharply rectangular basal angles, the border 

 lightly sinuate and a little bent downwards before meeting the 

 base. 



]!^ote. — It is possible the specimen before me is not quite 

 mature and that the metallic tints would be brighter in a fully 

 developed example. Faint obsoletely punctate strise are visible 

 on the elytra, but these I consider a jiost mortem effect. 



25. C. BRACHYPLEURA, n.sp. 



■^. Oval hevigate. subdepressed; prothorax with sides shortly 

 sinuate before base; elytra oval; four anterior tarsi with spongiose 

 tissue beneath, posterior tarsi short. Upper surface shining 

 black, under surface shining bluish-black. 



Head lightly and widely impressed across vertex; front sub- 

 depressed; vertex convex; eyes convex, prominent, lightly enclosed 

 posteriorly. Labrum truncate (hardly emarginate), sulcate in 

 middle. Prothorax hardly broader than long (4-25 x 4-3 mm.), 

 convex, shortly narrowed to base; disc lightly and widely sub- 

 depressed; sides strongly rounded; anterior angles marked, hardly 

 advanced; anterior margin lightly and widely emarginate; basal 

 angles rectangular; border narrow, sinuate before base, obsolete- 

 in middle of base; n>edian line lightly marked Elytra widely 

 oval (8 X 5-25 mm.), not wider towards apex, lightly convex, 

 obsoletely substriate, gently declivous to apex, lightly declivous 

 to base ; sides rounded ; border narrow, reaching peduncle, 

 thicker on apical curve, not thickened on humeral curve or 

 ano-ulate at basal extremity; a marginal puncture near humeral 

 an^le; five foveiform setigerous punctures a considerable distance 

 from margin on posterior half of each elytron. Metasternal 

 episterna short, wide; epimera very narrow, linear. Fourth and 

 fifth ventral segments with a wide shallow round depression on 

 each side; one puncture on each side of anus. Anterior femora 

 compressed; anterior tibiae wide at apex; anterior tarsi with four 

 joints dilatate and spongiose beneath ; intermediate tarsi with 

 three basal joints spongiose beneath; posterior tarsi with joints 

 short, wide, apical joint wide at base. 



