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Show 1897.] WEST-INDIAN MICRO-LEPIDOFIERA. 91 87. ETHMIA GELIDELLA, Wkr. Tamarrha gelidella, Wkr. Cat. Lp. Ins. B.M. XXIX. 817 (1864) \ Psecadla gelidella, Wlsm. Pr. Z. Soc. Lond. 1891, 528, 546 (1892)2. Hab. West Indies-JAMAICA12. 88. ETHMIA KIRBYI, Mschl. Psecadla kirbyi, Mschl. Ab. Senck. Nat. Ges. XV. 342-3, 354 (1890)l; Wlsm. Pr. Z. Soc. Lond. 1891, 528, 546 (1892) \ Hab. West Indies-PORTORICO1'2. IV. BLASTOBASID.E. 27. BLASTOBASIS, Z. Type, (Ecophora (Scythris) phycidella, Z. BLASTOBASIS, Z. Lin. Ent. X. 171 (1855); Hein. Schm. Deutsch. Tin. 387 (1870). Zeller separated phycidella, Z., and roscldella, Z., from Butalis under the name Blastobasis, but giving only a brief indication of its characters. Heinemann constituted phycidella the type, and described the genus in detail, but with hardly sufficient precision for comparison with other genera now known to occur. It may be well to indicate the characters peculiar to the genus Blastobasis, remarking that those species which have been placed in it in the North American lists do not conform in neuration. Antennce : 3 with pecten, strongly notched beyond the basal joint, uniciliate g. Labial palpi recurved, of approximately equal thickness throughout, second joint scarcely longer than the apical. Maxillary pcdpl short, projecting. Haustellum long, well developed. Head and thorax smooth. Fore wings elongate, lanceolate, somewhat widened at the base, acutely pointed. Neuration: 12 veins, 7 and 8 stalked, 7 to costa. Hind wings with abdominal angle strongly developed, thence evenly tapering to the subacute apex, costa much straighter than dorsum. Neuration : 7 veins (4 absent); 5 and 3 stalked (sometimes connate). Abdomen somewhat flattened. Legs : hind tibiae hairy above. 89. BLASTOBASIS ARGILLACEA, sp. n. Antennce fawn-grey (a pecten on the basal joint beneath). Palpi smooth, evenly curved; fawn-grey. Head fawn-grey. Thorax fawn-grey, with a slight brownish tinge. Fore wings fawn-grey, with a brownish suffusion and some greyish-fuscous mottling around the apex and apical margin, a small blackish spot on the cell a little before and above the middle of the wing, from which |