240 NEW SPECIES OF AUSTRALIAN COLEOPTERA, 



the basal and apical joints lighter; eyes dark brown. Elytra 

 sparsely pubescent, rest of the body almost glabrous. Almost 

 impunctate. 



Head decidedly transverse, depressed in front; a canal extending 

 almost from base to apex, its sides in the middle marked by a small 

 tubercle; seen from in front with four feeble tubercles; fovea? of 

 undersurface small, and rather widely separated; antennse passing 

 intermediate cox?e, equal in thickness throughout. Pro thorax 

 decidedly transverse, scarcely the width of head, apex truncate; 

 a feeble impression at base; middle of apex slightly raised. Elytra 

 not much longer than head and pro thorax combined, at base 

 slightly wider than head, gradually increasing to apex; each feebly 

 separately rounded. Basal joint of anterior tarsi not very large. 

 Length to apex of elytra IJ, of abdomen 2h; width 1 mm. 



ffab.—l^ew South Wales. 



Helcogaster marginicollis, n.sp. 



(J. Depressed, suboblong, shining. Plead black, all around the 

 centre obscure red; undersurface and palpi testaceous, mouth parts 

 black; antennae black, four basal joints testaceous; prothorax 

 reddish-testaceous, the sides in the middle piceous; elytra piceous, 

 an oblique pale stripe extending from the shoulders to the suture 

 at less than half its length; abdomen black; four posterior legs 

 piceous, their femora diluted with testaceous, anterior tibiae and 

 apex of femora testaceous. Head with short sparse greyish 

 pubescence, and with a few straggling hairs; prothorax on the 

 disk with a few short pale hairs, the sides and front with long 

 straggling blackish hairs; elytra with sparse moderatel}^ long hairs, 

 a few long ones at the sides in front; abdomen more densely 

 clothed with blackish hairs, longest at the sides and apex; meso- 

 and metasternum with sparse greyish hairs; tibia? densely pubes- 

 cent. Head densely and minutely, rest of the body obsoletely 

 punctate. 



Head subquadrate; a deep circular impression in its middle, 

 which is interrupted in front by a two-horned elevation (the horns 

 short, posterior longer); eyes small, scarcely prominent, in the 



