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Show 1894.] FROM TROPICAL AMERICA. 235 Fam. SATURNIIDJE. 35. HEMILEUCA DUKINFIELDI, sp. nov. Head, collar, and thorax dark buff; patagia black. Abdomen orange dorsally; underneath black, with a lateral row of small white spots. Primaries above dark brown, with all the veins finely outlined in orange; an outer transverse narrow white band. Secondaries similar, but the transverse band is less distinct, and the veins are not so distinctly marked towards the base of the wing, where there are also a quantity of long buff hairs, more noticeable in the male than in the female. Underneath, the wings are similarly but less distinctly marked. Exp., 3 60 millim., $ 75 millim. Hab. Castro, Parana. Fam. COSSIDJS. 36. ZEUZERA MASONI, sp. nov. 3 . Head brown. Thorax and abdomen grey. Primaries light grey, with fine black transverse striae ; the basal third of the costa black ; the central third of the median vein anteriorly shaded with black ; a small dark space on the costa at two thirds from the base. Secondaries white ; the outer margin irrorated with black; the fringe alternately white and grey. Exp. 51 millim. Hab. Jalapa, Mexico. Obs. Also in coll. Mason. 37. LANGSDOREIA DUKINFIELDI, sp. nov. Palpi dark brown. Head, thorax, and abdomen h'ght brown, the latter with a dark spot dorsally on the last segment. Primaries above fawn-colour shaded with smoky grey ; a large velvety brown spot near the base, not reaching the inner margin, and containing a bright silver spot; just beyond this a pale V-shaped mark starts from the costal margin, nearly touches the inner angle, and then extends to the apex, turning in near the costal margin to form two curves in the direction of the cell; the space within the base of this V is dull grey, the upper portion reddish brown towards the apex, fawn-colour towards the base; on the outer margin the veins are slightly paler. Secondaries whitish, with smoky margins. Underneath, the primaries are dull brown, with two reddish-brown spots on the outer half of the costal margin; the secondaries whitish, irregular spots on the margins and two large brown spots on the costal margin. Exp. 3 38 millim. Obs. The 2 expands 48 millim. and has the secondaries brownish. Hab. Castro, Parana. 38. LANGSDOREIA AROA, sp. nov. Abdomen dark brown; the patagia bordered with_ velvety brown. Primaries above the costa buff, spotted with dark velvety brown, each spot edged with whitish; a small triangular |