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Show 1881.] NORTH-AMERICAN TINEID.E. 323 Fore wings rounded at the apex, with the base yellowish, intersected longitudinally with obscure streaks of greyish scales ; beyond the yellowish basal patch is a distinct yellowish y, universally margined with whitish grey ; beyond it the apical half of the wing is whitish grey irrorated with fuscous scales, with a slight yellowish oblique streak immediately before the pale extreme apex; about the anal angle is a series of four distinct, shining, whitish, steel-coloured, metallic marginal dots, each surrounded by a separate deep-black border which is wider above than below them ; above the outer spots are some bluish metallic scales at the base of the greyish fuscous cilia ; underside unicolorous brownish. Hind wings brownish fuscous. Expanse 13 millim. Eight specimens taken, July 15, 1871, Shasla county, California. Genus HELIODINES (Stainton). H E L I O D I N E S E X T R A N E E L L A , sp. nov. (Plate X X X V I . fig. 15.) Alis anticis cupreo-aurantiacis, basi fusca, maculis tribus costalibus una dorsali argenteo-metallicis, maculis duabus triangularibus {una costali ante apicem, altera ante angulum analem) niveis, omnibus partim nigro succinct is, ciliis cupreo-metallicis, Head, face, and palpi shining metallic greyish fuscous. Antennae fuscous. Fore wings bright reddish orange, with a small fuscous basal patch slightly produced above the fold ; three small silvery metallic costal spots followed by a triangular snow-white spot before the apex ; one silvery metallic dorsal spot situated very slightly nearer to the base than the first costal spot, from which it is separated only by a few black scales on the fold ; it is followed by a triangular snow-white spot before the anal angle; all the spots are more or less surrounded by scattered black scales; the apex and apical margin, with the base of the cilia, shining metallic bronzy cupreous. Hind wings pale fuscous with slightly darker cilia. The underside of all the wings shining bronzy, a bright orange spot on each side of the thorax beneath at the base of the fore wings. Third pair of legs with their long spurs shining silvery metallic, the tarsi with three conspicuous black bands. Expanse 8 millim. Pitt River, California, July 23, 1871. This species agrees with the genus Mlole of Chambers (Can. Ent. vii. p. 173) in the length of the tongue, as well as in the rather narrowly produced apex of the fore wings, the only points in which it differs in external appearance from the genus in which I have ventured to place it. Mr. Stainton, who founded that genus (Ins. Brit., Lep. Tin. p. 243) for the reception of a single species, Tinea roesella, Linn., writes to m e that he "should be disposed to refer the insect" of which I sent him a specimen "to Heliodines." Without destroying one of m y limited number of |