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Show 398 MR. J. H. LEECH ON THE BUTTERFLIES [May 3, described by me. So far as can be ascertained, without examining the dentition, the Snake is a Lamprophis, a member of the Lyco-dontine group of the Colubroids. I am unable to refer it to any described species, and have much pleasure in naming it in honour of its discoverer. LAMPROPHIS FISKI, sp. n. (Plate XXXIV.) Twenty-three series of scales ; vertebrals not enlarged ; eight upper labials, fourth and fifth entering the eye ; two postoculars; loreal a little longer than deep ; prefrontals in contact with supraoculars; frontal broad; tail short, ending very obtusely. Lemon-yellow on the five median rows of scales, with large blackish-brown spots forming a single series anteriorly, a double alternating series posteriorly ; head lemon-yellow above, with symmetrical blackish-brown markings, viz. an oblique band on each side of the occiput, a horseshoe- shaped band passing through the eyes and across the snout, and a bar across the frontal ; lateral scales of body and tail dark brown in the centre and yellowish white on the borders ; upper lip and lower surfaces white. Iris dark bronze. The specimen, which measures 315 millim., was sent to Mr. Fisk from Touw's River by Mr. G. Atherstone. 2. O n the Lepidoptera of Japan and Corea.-Part I. Rhopa-locera. By J. H. L E E C H , B.A., F.R.G.S., F.L.S., F.Z.S., F.E.S., &c. [Eeceived April 16, 1887.] (Plates XXXV. & XXXVI.) The Lepidopfcprous fauna of Japan contains so many species to Corea, that I have deemed it advisable in this paper to unite them. The accompanying tables show how nearly allied the faunas of the three districts, viz. Japan (the main and two southern islands), Yesso, and Corea, are. My work has been greatly facilitated through the kindness of Mr. Elwes, Mr. Butler, and Mr. Kirby. I have also to thank Mr. Fenton for the permission to view his collection, and Mr. II. Pryer, of Yokohama, for much kindness and many valuable hints during my stay in Japan. The following is a summary of my results :- Japan (main and two southern islands) 123 species. Yesso or Hokaido 89 „ Corea 91 „ Species (y) which occur in Japan and Amurland, and which may be expected to occur in Corea 22 ,, Common to Japan and Yesso 131 |