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Show 1892.] SPECIES OF LEPIDOPTERA HETEROCERA. 325 Very similar in its markings to Eulimacodes distincta, Mbschler, but a much smaller insect. TARCHON MINOIS. Primaries above dark reddish brown, the costal margin narrowly luteous ; a black point in the cell; an outer transverse dark shade and a submarginal dark wavy line : underneath with the disk dark brown, the margins broadly light reddish brown. Secondaries above dark brown, the fringes golden brown: underneath light reddish brown; a black point in the cell, and two dark wavy transverse lines. Body dark brown above, underneath light reddish brown. Expanse 28 mm. Hab. Petropolis, Brazil. Fam. BOMBYCID<E. H Y G R O C H R O A LIMOSA. Primaries above silvery grey, light reddish brown along the inner margin, and finely so on the costa ; an outer and a sub-marginal transverse wavy black line; a dark shade along the anterior half of the outer margin. Secondaries bronze-grey, darker along the outer margin ; on the inner margin some dark brown and whitish spots. Body grey. Expanse 26 mm. 3 • Hab. Corcovado, Rio Janeiro. TAMPHANA, nov. gen. Antennae deeply pectinated, as long as the thorax. Abdomen extending beyond the wings and laterally tufted. All the legs with tufts. Primaries long, not very broad, straight along the costa, slightly convex at the apex, outer margin slightly convex. Secondaries with the anal angle slightly prolonged, and the outer margin somewhat excavated close to the anal angle. TAMPHANA MARMOREA. Primaries above light brown,finely striated with dark brown; the costal margin paler; a broad basal transverse greyish band ; a minute greyish spot in the cell; an outer transverse, double, wavy brown line; a large apical space on the costal margin whitish crossed by a greyish shade; a dark spot on the inner angle : underneath light brown, whitish at the apex. Secondaries above brown, with a dark spot about the middle of the inner margin : underneath light brown, with two dark transverse streaks. Expanse 27 m m . 3 • Hab. Palmeiras, Rio Janeiro. AROTROS, nov. gen. Female. Antennae longer than the thorax, pectinated. Palpi short, tufted. Abdomen stout, the anal segment with long stiff |