450 STUDIES IN AUSTRALIAN ENTOMOLOGY, xvii., 



angles rounded; lateral border narrow, not reflexed at basal 

 angles; basal impressions obsolete; median line feebly marked; 

 two marginal setae on each side; anterior seta before middle at 

 widest part, posterior on a depressed lateral space considerably 

 before basal angle. Elytra ovate, convex, with disc rather de- 

 pressed; sides subparallel in middle; humeral angles rounded; 

 striae formed by rows of small punctures on disc (these punctures 

 becoming obsolete towards apex); interstices depressed; striole 

 at base of first interstice short, punctate; third interstice with 

 two punctures on disc along course of third stria; eighth inter- 

 stice not carinate near apex. Length, 4*3; breadth, 1-7 mm. 



Hab.—:^.8.W.: Kosciusko (Carter). Type in Coll. Sloane. 



Allied to M. laticollis SL, but differing by size larger; eyes 

 less prominent; prothorax less convex, not so evenly rounded on 

 sides, not punctate along basal margin, basal angles not so widely 

 rounded; elytra less strongly striate, the punctures in the striae 

 smaller and not so deep. 



Mecyclothorax australis, n.sp. 



Elliptical-oval. Head convex, laevigate, front biimpressed; 

 prothorax transverse, wider at base than apex, not punctate near 

 base; elytra fully striate, striae 1-7 formed on disc by rows of 

 punctures. Black, nitid; legs piceous-red; antennae reddish. 



Front and clypeus with a narrow, well-marked impression on 

 each side; eyes small, convex. Prothorax transverse (1-15 x 1-65 

 mm.), lightly convex, laevigate, without punctures near basal 

 margin, bordered all round ; sides lightly rounded ; anterior 

 angles obtuse; base truncate, lightly sinuate on each side of 

 peduncle; basal angles widely rounded; median line obsolete on 

 disc, marked by a deep elongate fovea near base; two marginal 

 setigerous punctures on each side, anterior at widest part, pos- 

 terior on a depressed space a little before basal angle. Elytra 

 ovate, convex ; humeral angles rounded ; striae well-marked, 

 formed by rows of rather strong punctures on disc, strongly im- 

 pressed and impunctate on apical declivity; interstices convex 

 on apical declivity, eighth interstice not carinate towards apex. 

 Length, 5; breadth, 2*1 mm. 



