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Memoirs of the National Academy of Sciences . tion of the full-fed caterpillar: Head slate color, mottled with black, and with a jiale stripe on each side. Jlouth parts with a greenish pale lilac, with the exception of the eleventh and twelfth segments,,which are dull golden. The seventh andeighth segments raised prominences, which are also golden, that of the seventh being the largest. Laterallythere are some pale obliijne streaks somewhat similar to those of many Sphingida; these do not meet on the back,where there is a faint slate-colored line. Between the second and sixth
Memoirs of the National Academy of Sciences . tion of the full-fed caterpillar: Head slate color, mottled with black, and with a jiale stripe on each side. Jlouth parts with a greenish pale lilac, with the exception of the eleventh and twelfth segments,,which are dull golden. The seventh andeighth segments raised prominences, which are also golden, that of the seventh being the largest. Laterallythere are some pale obliijne streaks somewhat similar to those of many Sphingida; these do not meet on the back,where there is a faint slate-colored line. Between the second and sixth segments, and conmion to all of these, is adarker dorsal shade which reappears on the eleventh and twelfth segments. The spiracles are white, with a blackring, and the lower lateral line is paler than the rest of the body. The twelfth segment bears a hnmp. and the sidesof the eleventh, twelfth, and thirteenth segments are pale brown, mottled with orange. Abdoniinal legs dull slatecolor, mottled with black; thoracic legs black. Length, 53 Pig. G6—End of pupa of XotuJoiUa , anal legs: cr, the vestigial MEMOreS OF THE NATIONAL ACADEMY OF SCIENCES. 167 Ilipd.— S . ]>i)(ly nitlicr slender, much as iu Lophodoiita. Head nimided as usual. Abdiuniiialsegments smooth, spaisidy. and finely i)ittiHl; end of tlie abdomen smootli, ending- in a shoit, veiybroad, crenuister, bearing lu-ar tlie outer edge on tlie underside tour or live sliorfc and withtwo spines, one on each side, at the end. V(\stiges of the larval male sexual a])erture with an ovalaiea on each side. Length, 17 mm. Food plants.—Willow and poplar. Habits.—Tlie cateri)illar of tliis luoMi has been reared by ^Ir. Tepper iu Xew York. It wasfound on the poplar July 4, the motii ap])earing July L7. (Bull. Ent. Soc. Broolilyn, i, 10.)Messrs. Edwards and Elliot have found the food plant to be the willow. This singular cateri)illar is not unconunon at Brunswick, ^le., late in August. It h
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Keywords: ., bookcentury1800, bookdecade1890, bookidmemoirsofnat, bookyear1895