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Show 80 LORD WALSINGHAM ON NEW TINEID.E. [Feb. 17, the basal third. Fore wings brown, with a slight purplish tinge, crossed by two narrow white bars, the inner bar is halfway between the base and the outer bar, which latter is slightly angulated outwards about the middle, and is situated slightly beyond the middle of the wing : beyond the outer bar is a small white angulate spot at the costa midway to the apex ; and on the apical portion of the wing are, usually, some scattered small white dots and scales, varying in number and distribution. The cilia above the middle of the apical margins are white. Hind wings brown. Legs brown, tarsi spotted with white. The female has the head covered with long bright ochreous hairs ; the palpi black; antennae as in the male, but scarcely a third longer than the fore wings ; abdomen acuminate, with the anal segments much appressed laterally. 6" and § . Mendocino county, California, M a y and June 1871, and Southern Oregon, May 1872. Expanse 11 millims. ADELA SINGULELLA, sp. nov. (Plate XI. fig. 4.) J . Capite supra nigro, fronte albida ; antennis longissimis albis; alis anticis brunneis vix purpurascentibus, fascia singula post medium alba ; posticis pupurascentibus. 5 . Antennis paulo brevioribus ; capite subgriseo, fascia vix latiore. cS. Head black above, face greyish, both roughly clothed ; the palpi short, depressed, clothed with long black hairs beneath. Antennae white, more than three times the length of the fore wings, not spotted. Fore wings brown, with a slight purplish tinge ; cilia the same, a single narrow white fascia just beyond the middle, not visible on the underside except in a small costal spot, sometimes slightly angulated below the costa. Hind wings rather more purplish than the fore wings ; the costal portion of the base, over which the fore wings lap when the wings are extended, is white. Legs brown ; tarsi indistinctly spotted with whitish. $ . With the head rather greyish, and the fore wiugs with a more greenish hue than those of the male, having the fascia also slightly wider. Antenna? only slightly shorter than those of the male. Expanse 10 millims. This species differs from Adela sulzella (Schiff.) in its smaller size, narrower fascia, and in the antennae of the female being similar to those of the male, instead of being thickened to the middle. S, $. Mendocino county, California, M ay 25, 1871. ADELA LACTIMACULELLA, sp. nov. (Plate XI. figs. 5 & 6.) d . Capite supra purpurascente, fronte et palpis nigro-setosis ; antennis albis, apud basin nigrescenlibus; alis anticis subviridi-cupreis, maculis duabus costalibus una (nonnumquam secunda) dorsali ochreo-albidis ; posticis subpurpureis. 2 . Palpis nigris, capite flavo; alis anticis cupreis, maculis duabus costalibus subconspicuis. Head purplish above, the face and palpi clothed with long black |