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Show 534 MR. H. DRUCE ON NEW HETEROCEBA. [May 19, Hab. Ecuador, Sarayacu (Buckley). This species comes nearest N. fustina, but it is black instead of brown. NELO PHILODAMEA, sp. n. (Plate XXXIII. fig. 13.) Primaries deep blue-black, with a brilliant dark-blue patch beyond the middle ; secondaries uniform deep black; the underside sooty black, with all the nerves deep black. Head, antennae, thorax, and abdomen dull black. Expanse If inch. Hab. Ecuador, Sarayacu (Buckley). This very fine insect is allied to N. refulgens, Felder, from which it is at once distinguished by its greater size, and the entire absence of the white band across the primaries ; the white band is replaced by a most brilliant blue patch. SANGALA, Walker. S A N G A L A ANTIPHATES, sp. n. (Plate XXXIII. figs. 14, 15.) Primaries and secondaries brilliant dark blue, with the costal and outer margins narrowly bordered with black. Underside of primaries uniform silky dove-colour. Secondaries dove-colour, with the nerves black; a band of four elongated white spots placed between the nerves, the first spot on the costal margin close to the anal angle. Head, antennae, thorax, and abdomen deep black ; the sides of the abdomen with narrow red lines. Expanse If inch. Hab. Ecuador, Sarayacu (Buckley). This fine species is allied to S. beata, Walker, but on the underside it is very distinct. ERBESSA, Walker. E R B E S S A C A L Y D O N , sp. n. Primaries brownish black, with a central longitudinal streak from the base to about the middle, bluish hyaline, beyond which an oblique white hyaline band, not extending to the costal margin: secondaries whitish hyaline, broadly bordered with black from the apex to the anal angle; the nerves black. Head, thorax, and abdomen black ; antennae and legs brownish black. Expanse 1^ inch. Hab. Ecuador, Sarayacu (Buckley). This beautiful little species is quite distinct. ERBESSA CAPENA, sp. n. Primaries bluish black ; the nerves bluish white from the base to about the middle; a transverse hyaline hand across the middle of the cell extending to the anal angle, beyond and nearer the apex; an elongated white spot followed by two smaller spots close to the outer margin. Secondaries whitish hyaline shot with blue ; the costal margin, apex, and outer margin broadly banded with bluish |