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Show 512 LIEUT.-COL. H. H. GODWIN-AUSTEN ON NEW [June 14, DIPLOMMATINA TUMIDA, var. Loc. Laisen Peak and Trigonometrical Station, Munipur. Shell dextral, elongately fusiform, not rimate; sculpture, fine costu-lation on the 5 apical whorls, the last smooth ; colour pale greenish ; spire with convex sides, apex acuminate; suture well impressed; whorls 7\, penultimate and antepenultimate equal ; constriction above the aperture, but towards the right-hand side; aperture oval, vertical; peristome thickened, double ; columellar margin straight and angu-late below, the tooth in front, moderately large. Size : maj. diam. 2-4 ; alt. axis 5'0 millim. DIPLOMMATINA CHENNELLI, n. sp. Loc. Lhota Naga Hills (Chennell). Shell dextral, of solid form ; sculpture, very fine, rather distinct ribbing, with scarcely any relief; colour pale ochraceous and sienna-brown ; spire flat-sided, apex acuminate ; suture rather shallow; whorls 8| to 9, sides flatly convex, constriction in front, the last two whorls equal in size ; aperture oval, vertical; peristome thickened, strong; the columellar margin vertical and angulate below. Size: (1st sp.) maj. diam. 2"9 ; alt. axis 5*9 millim. Size: (2nd sp.) maj. diam. 2°9 ; alt. axis 5-0 millim. This has close affinities to D. labiosa from the Khasi and Garo Hills ; but, although far larger (nearly double), the columellar tooth is much smaller, the spire more attenuate, and the general shape differs. I name it after the late Mr. A. Chennell, an Assistant in the Indian Survey Department. DIPLOMMATINA BUTLERI, n. sp. Loc. Laisen Peak, Munipur (Godwin-Austen). Shell dextral, tumidly fusiform; sculpture, none on the last 3 whorls, very distant, strong costulation on all above ; colour pale sienna-brown, fresh shells glassy and polished ; spire conic, rapidly diminishing, apex small; suture well impressed ; whorls 7\, penultimate and antepenultimate about equal, sides very convex, constriction above the aperture; aperture nearly circular, vertical; peristome double, strong, continuous; columellar margin vertical, angulate below, the tooth large, in front. Size: maj. diam. 2-0 ; alt. axis 4*4 millim. Six specimens were obtained, together with those of D. tumida, var., previously alluded to. This well-marked species was also found by me at Prowi, in the Lahupa Naga Hills, at the head of the Lanier River, which drains into the Kyengdwen of Burmah, and was abundant there. I have also two specimens from Kezakenomih. Two specimens from Klang Sing, Naga Hills, are rather more tumid. I name this after Capt. John Butler, who was the Political Agent accompanying the Survey party on our exploring work, and who unfortunately lost his life in an ambuscade laid by a hostile clan, when the Survey work was again being prosecuted further east under |