A. Dorrien-Smith at North Arm, Carnley Harbour, Auckland Island and named Xanthorhoe oxyptera.

The head, thorax, and abdomen are brownish-ochreous, the last-named with two blackish spots on the back of each segment.

The forewings are elongate, narrow, with the apex extremely acute and the tornus rounded, rather dark greyish-brown, very glossy, with the bases of the veins and a broad costal band pale brownish-ochreous; a small black discal dot.

Hindwings narrow, apex and tornus rounded, greyish-brown, very glossy, without markings except a few extremely minute blackish marginal dots.

On the underside all the wings are whitish-ochreous, the costa of the forewing and the whole of the hindwing darker; the basal portions of all the veins are strongly marked in blackish-brown.