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; fovese of 
undersurface small, and rather widely separated; antennae passing 
intermediate coxae, equal in thickness throughout. Prothorax 
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 prothorax 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 If, of abdomen 2 J; width \ mm. 
ffab.— New South Wales. 
Helcogaster marginicollis, n.sp. 
(J. Depressed, suboblong, shining. Head 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 moderately 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; tibiae 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 
