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Show 430 ON T H E BUTTERFLIES OF JAPAN AND COREA. [MAY 3, 146. HESPERIA OCHRACEA. •Pamphila ochracea, Brem. Lep. Ost-Sib. p. 33, t. i. fig. 11. This seems to be rather a rare species ; I took it at Gensan in June, and Nagahama, on Lake Biwa, in July. 147. HESPERIA RIKUCHINA. Pamphila rikuchina, Butl. Cist. Ent. ii. p. 285 (1878). This species is very distinct from the last. I took a long series of it at Nagahama and Tsuruga in July, and none of the specimens have one-third as much yellow as ochracea ; there is scarcely any on the hind wings and none on the costal and inner margins of the fore wings. This species occurs also at Nikko (Pryer). 148. HESPERIA FLAVA. Pamphila flava, Murray, Ent. Mon. Mag. xii. p. 4 (1875). Common all over Japan ; I also took it at Fusan, Corea, in June ; there appear to be several broods. 142. CYCLOPIDES MORPHEUS. Papilio morpheus, Pall. Reise, i. p. 471 (1771). Common at Gensan in June. 150. CYCLOPIDES ORNATUS. C. ornatus, Brern. Lep. Ost-Sib. p. 33, t. ii. fig. 5. This species occurs in Central Japan and Yesso. 151. PYRGUS INACHUS. P. inachus, Men. Schrenk's Reise, p. 46, t. iv. fig. 2. Occurs in several localities in Central Japan, but is far from common. 152. NISONTADES MONTANUS. Pyrgus montanus, Brem. Lep. Ost-Sib. p. 31, t. xi. fig. 4. Nisoniades rusticanus, Butl. Journ. Linn. Soc, Zool. ix. p. 58 (1866). Common all over Japan in spring. I have specimens from Ningpo, Japan, and Amurland ; they all show a tendency to variation, but nothing of any specific importance. 153. SYRICTHUS MACULATUS. Syricthus maculatus, Brem. & Grey, Schmett. nordl. China's, p. 11. Pyrgus maculatus, Men. Cat. Mus. Petr. i. t. v. fig. 5. P. sinicus, Butl. Ann. & Mag. Nat. Hist. ser. 4, vol. xix. p. 96. Common in Japan and Corea. Sinicus differs from maculatus in its smaller spots, and in the absence of a second (submarginal) white band on the underside of |