Described and figured from a specimen kindly given to me by Mr. Fereday. XANTHORHOE MNESICHOLA. (_Larentia mnesichola_, Meyr., Trans. N. Z. Inst. xx. 56.) (Plate VII., fig. 39 [M].) This dull little species has occurred in the South Island on Mount Arthur, at elevations of from 4,000 to 4,800 feet. The expansion of the wings is 1 inch. _The fore-wings are pale brownish-ochreous, and rather glossy; there is a series of minute black dots at the base, a second series at about one-third, then a cloudy curved band, slightly darker than the rest of the wing, followed by a third series of minute black dots; a fourth series is situated slightly before the termen._ The hind-wings are very pale brownish-ochreous. The perfect insect appears in January. Mr. Meyrick states that it is rather common. XANTHORHOE PRÆFECTATA, Walk. (_Acidalia præfectata_, Walk. 781. _Acidalia subtentaria_, Walk. 1610. _Acidalia absconditaria_, Walk. 1611; Butl., Cat. pl. iii. 21. _Larentia præfectata_, Meyr., Trans. N. Z. Inst. xvi. 78.) (Plate VII., fig. 30.) This interesting species has occurred in the South Island at the Dun Mountain, Mount Arthur, Christchurch, and Dunedin. The expansion of the wings is about 1½ inches. _All the wings are pure white_; the fore-wings have a minute grey dot above the middle, _a series of extremely minute dots a little before the termen, and several rows of very faint grey marks close to the termen_. The hind-wings have a row of very obscure dots across the middle, and several rows of very faint grey marks close to the termen. The face and collar are brown, and there is sometimes an extremely faint brown tinge on the costal edge of the fore-wings. The body is pure white. The perfect insect appears in November, December, January, and February. I do not think it is a very common species, and at present I have only observed it on the Dun {61}Mountain near Nelson, at an elevation of about 2,700 feet above the sea-level. Here I took several specimens on the flowers of an Alpine veronica in the dusk of evening, and saw several others, which I was unable to capture. Mr. Meyrick has taken it on Mount Arthur at an elevation of 4,500 feet, and Mr. Fereday states that it frequents swampy places near Christchurch. XANTHORHOE NEPHELIAS, Meyr. (_Larentia nephelias_, Meyr., Trans. N. Z. Inst. xvi. 78.) This species was discovered by Mr. Meyrick in the South Island at Arthur's Pass, West Coast Road, and he has since taken it on Mount Arthur.