198 ON THE CARENIDES (FAM. CARABID.E), 



Length 18, breadth 6-75 mm. (Head 3-4 x 5-3, prothorax 

 3-8 X 6-75, elytra 9 x 6-75 mm.). 



Hah. — Roebuck Bay, W.A. (sent to me by Mr. C. French). 



Carenum froggatti, n.sp. 



Small, light, Itevigate ; head depressed, frontal sulci lightly 

 divergent, suborbital channel single ; prothorax transvei'se, 

 shortly lobate, anterior angles strongly advanced, lateral margins 

 bipunctate ; elytra suboval, convex, bipunctate towards apex ; 

 anterior tibise bidentate, posterior tibife slender. Head and 

 undersurface black; prothora.x widely margined with green, disc 

 deep purple-black; elytra violet with green reflections, becoming 

 green near margins ; inflexed margin of prothorax and elytra 

 virescent; antennte and legs piceous-black, palpi piceous-brown. 



Head transverse (2-5 x 3"8mm.), depressed, smooth; margin on 

 each side between anterior angles and intermediate angles of 

 clypeus forming a long oblique slope; frontal sulci rather short, 

 diverging lightly backwards; anterior part of their course strongly 

 marked, curving sharply outwards ; clypeus deeply emarginate- 

 truncate in middle, intermediate angles wide, obtuse, not denti- 

 form; preocular sulcus deeply marked, short, straight; preocular 

 process small, rounded externally; eyes convex, prominent, rather 

 deeply set in orbits posteriorly; orbits oblique (not protuberant) 

 behind eyes; one supraorbital puncture on each side. Antennae 

 slender, compressed. Prothorax transverse (3-2 x 5 mm.), convex, 

 strongly declivous to base; sides lightly rounded; posterior angles 

 rounded; anterior angles stronglj^ advanced, roundly obtuse; base 

 decidedly lobate ; basal lobe rounded ; a strong sinuosity on 

 each side of basal lobe ; border reflexed, wide from anterior 

 angles to behind posterior angles, more strongly upturned at 

 posterior angles ; median line lightly marked. Elytra ovate 

 (8 X 5-5 mm.), a little narrowed to base ; apical curve 

 narrow ; sides rounded ; base truncate, deeply and obliquely 

 declivous; lateral channel wide; border reflexed, forming a short 

 wide upturned prominence at humeral angles; a row of ocellate 

 jxinctures along margin ; inflexed margins wide. Prosternum 



