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Show 638 MR. J. H. LEECH ON THE [Dec. 18, 270. PTILOPHORA PLUMIGERA. Bombyx plumigera, Esp. Schmett. iii. p. 50. pl. 50. figs. 6, 7 (1785); Hiibn. Bomb. pl. 58. fig. 250. A single example (?) in Pryer's collection ; this is no. 236 of his catalogue. Yokohama (January, Pryer) ; Europe. 271. PTEROSTOMA PALPINA. Bombyx palpina, Linn. F. S. p. 305; Syst. Nat. xii. p. 828; Hiibn. Bomb. pl. 4. fig. 16. Ptilodontis grisea, Brem. Lep. Ost-Sib. p. 45, pl. v. fig. 2 (1864). A very fine series in Pryer's collection, varying much in the tone of ground-colour. I took two specimens at Nagasaki in June. In Japanese examples of this species the fringe of the tooth-like projection on inner margin is but little, if any, darker than the ground-colour of primaries, and the specimens are, on the whole, much larger than European examples : thus, one female expands 72 millim. and a male 58 millim., whilst the smallest of Pryeris measures 52 millim. No. 222, Pryer's Catalogue, is referable to this species. Yokohama, Oiwake (Pryer) ; Hakodate, Nagasaki (Leech). 272. MlCRODONTA BICOLORA. Bombyx bicoloria, Schiff. S. V. p. 49; Esp. Schmett. iii. pl. %• 7. Bombyx bicolora, Hiibn. Bomb. pl. 5. fig. 18. Microdonta bicolora, Duponch. Cat. Lep. p. 93. Two examples ( rf $ ) in Pryer's collection. Referring to these in his catalogue, Pryer says : " Two specimens only ; one taken by my collector in my presence, on the 18th June, 1876, at Fujisan, at rest in an alder, at an elevation of 5000 feet; the other I myself took, at light, on the 19th June, 1881, at Nikko." Fujisan, Nikko (Pryer) ; Europe. 273. NERICE BIPARTITA. Nerice bipartita, Butl. Cist. Ent. iii. p. 119 (1885). Two examples, coll. Pryer. "210. Closteral sp." of catalogue. Nikko, Yesso (Pryer); Sapporo (Lewis). 274. NERICE BIDENTATA. Nerice bidentata, Walk. Cat. Lep. Het. v. p. 1076 (1855). Nerice davidi, Oberth. Etud. d'Entom. vi. p. 17, pl. ix. fig. (1881). I took two examples of this North-American species at Hakodate in August. Hakodate (Leech) ; North China (David); North America. 275. EDEMA NIVILINEA, sp. n. (Plate XXXII. fig. 1.) Primaries olive, traversed by a longitudinal white streak from the base to just beyond the middle of wing, where it terminates in a |