Otira Gorge, Castle Hill, Lake Guyon, and Lake Wakatipu, in January and February, from 1,500 to 3,000 feet; always on bare shingle, usually in the bed of a mountain stream, but sometimes also in a road-way, flying a short distance close to the ground and quickly settling again; common where it occurs. 39. Scop. tetracycla, n. sp Female.—25 mm. Head, palpi, and thorax grey, densely irrorated with white; palpi 3, basal joint white. Antennæ grey. Abdomen pale grey, suffused with pale ochreous towards base. Legs white irrorated with fuscous, tibiæ and tarsi banded with dark fuscous. Forewings very elongate, somewhat triangular, costa straight, apex obtuse, hindmargin straight, slightly oblique; ochreous-grey, densely irrorated with whitish; lines obsolete; orbicular and claviform both round, whitish, black-margined; reniform 8-shaped, unusually oblique, whitish, obscurely black-margined: cilia ochreous-grey mixed with whitish, with an obscure darker line. Hind-wings 1 ⅗, pale fuscous-grey, hindmargin suffusedly darker; cilia whitish, with a fuscous line. Characterized by the obsolescence of the usual lines, whilst the spots are all distinctly indicated, round, dark-margined. Christchurch and Lake Coleridge, in March; two specimens. 40. Scop. indistinctalis, Walk (Hypochalcia indistinctalis, Walk., 48; Scoparia rakaiensis, Knaggs, Ent. Mo. Mag., iv., 80.) Male, female.—23–25 mm. Head and thorax white, densely irrorated with dark grey. Palpi 3, dark grey mixed with white, basal joint white. Antennæ dark grey, obscurely annulated with white; ciliations ⅓. Abdomen whitish-ochreous, suffused with grey. Legs white, irrorated with dark fuscous, tibiæ and tarsi banded with dark fuscous. Forewings very elongate, tolerably triangular, costa gently arched, apex rounded, hindmargin slightly sinuate, rather oblique; white, very finely irrorated with blackish or dark fuscous; indications of a white line before first line; first line indistinct, white, posteriorly blackish-margined, rectangularly bent above middle, near inner margin turned more obliquely outwards; orbicular obliquely oval, hardly indicated except by two or three blackish marginal dots; claviform small, oval, blackish-margined; reniform 8-shaped, oblique, obscurely blackish-margined; second line white, tolerably distinct, obscurely dark-margined; terminal space suffused with blackish towards anal angle; subterminal line broad, cloudy, whitish, interrupted, both portions touching second line; a row of blackish dots on veins before hindmargin: cilia whitish, with two blackish-grey lines. Hindwings 1 ⅔, pale whitish-ochreous, suffused with light greyish; lunule and postmedian line obscurely darker; a moderately broad suffused dark fuscous hindmarginal band; cilia white, with a dark grey line.