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Show 846 MR. A. G. BUTLER ON BUTTERFLIES FROM JAPAN. [Nov. 15, pinkish-brown colour, and exhibits, more or less distinctly, the external banding. The columella is white or pinkish white, and bears a single distinct but not very strong fold exactly in the middle ; and the " lower small one " mentioned by Sowerby does not exist, for neither the specimens themselves nor the figure exhibit a trace of it. The species is rather thick and strong for its size, and consists of five whorls. 17. CHILINA AMCENA, Smith. Chilina amcena, Smith, Proc. Zool. Soc. 1881, p. 37, pL iv. f. 18, 18a. HaB. From a lake near T o m Bay, west of South Patagonia (Dr. Coppinger, H.M.S. 'Alert'). This species is remarkable for its fragility, the slenderness of its form, and the vividness of the markings. 18. CHILINA PORTILLENSIS, Hidalgo. Chilina portillensis, Hidalgo, Journ. de Conch. 1880, vol. xxviii. p. 322, pi. xi. figs. 1-1 a. HaB. Portillo, Argentine Republic, at an altitude of "4000 metres." Subgenus P S E U D O C H I L I N A, Dall, Ann. Lye. Nat. Hist. N. York, 1870, vol. ix. p. 357. " Shell thin, covered with a rough fibrous epidermis; spire elevated, acute " (Dall). 19. PSEUDOCHILINA LIMN.EFORMIS, Dall. Pseudochilina limnaformis, Dall, Ann. Lye. Nat. Hist. N. York, 1870, vol. ix. p. 357. Hab. Chile. " The curious epidermis and broad plicate columella alone distinguish this singular shell from a Limnaa " {Dall). 8. O n Butterflies from Japan, by A R T H U R G. B U T L E R , F.L.S., F.Z.S., & c ; with which are incorporated Notes and Descriptions of new Species by M O N T A G U E F E N T O N. [Received September 8, 1831.] The present paper gives an account of the Butterflies observed in Hokkaido by Mr. Fenton, together with one or two species subsequently obtained from other sources. Some of the specimens have been in my hands since 1878; but without seeing all those included in Mr. Fenton's notes it was impossible for me to publish any thing concerning them. Now that the whole of the species have been submitted to me, I gladly make them known to science. Writing from Tokio University on the 9th of November, 1878, Mr. Fenton says : - " I have received all m y collections from Hok- |