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Show 294 MR. H. DRUCE ON NEW [Mar. 28, identical with the male, but with the costal margin of the primaries orange-yellow to the base. Expanse If inch. Hab. Amazons, Tunantins (Bates, Mus. B.); Ecuador, Sarayacu (Buckley, Mus. B.). A beautiful species, closely resembling Ithomia egla, Hewitson, also from Ecuador. DIOPTIS CHARON, sp. n. (Plate XX. fig. 6.) Primaries browmish black, hyaline from the base to the end of the cell and along the inner margin, crossed beyond the middle by a whitish semihyaline band, curved slightly inw^ard near the anal angle. Secondaries hyaline; the veins black, the apex and outer margin bordered with black; a rather wide submarginal orange-yellow line extends from tbe apex to the anal angle. The head, antennae, palpi, thorax, and abdomen on the upperside black ; abdomen on the uuderside and legs greyish white. The underside of both wings similar to the upperside. Expanse 1| inch. Hab. Bolivia (Buckley, Mus. B.). A distinct species, allied to B. ilerdina, Bates, from which it is at once distinguished by its clear hyaline wings. DIOPTIS OTANES, sp. n. Male. Primaries black ; two small streaks from the base hyaline ; a square spot at the end of the cell, a round spot close to the anal angle, and two small spots close to the apex whitish hyaline. Secondaries hyaline ; the costal and outer margins broadly bordered with black ; the veins black ; an oval-shaped spot at the end of the cell white. The underside the same as above. Front of head white ; antennae, head, thorax, and upperside of the abdomen black; the underside of the abdomen and legs white ; the upperside of the legs black ; tegulae orange-yellow. Expanse 1T 4 0- inch. Hah. Ecuador, Eio Napo ( Whitely, Mus. B.). A small species, allied to B. noctiluces, Butler, but with the secondaries quite distinctly marked. DIOPTIS PANDATES, sp. n. Male. Primaries black, partly hyaline near the base ; a small spot at the end of the cell, a large oval-shaped spot beyond nearest the apex, and a small elongated spot close to the anal angle white. Secondaries hyaline ; the veins black; the costal margin, apex, and outer margin broadly bordered with black. The underside similar to the upperside. The head, antennae, palpi, thorax, abdomen, and legs black; tegulae orange-yellow. Expanse If inch. Hab. Colombia, interior (Mus. B.). A very distinct species, allied to B. onega, Bates, and B.phelina, Felder. |