DIIM.O.MM.VTINA. 301 



Hah. Iiulia: Pvkara, Nilgiri.s (//. /''. Blanford, W. T. Blan- 

 ford). 



" Of tins remarkable little shell the first and only known 

 specimens were found bj' one of us rather more than two years 

 since in the dead leaves of the little thickets tern)ed ' sholas'near 

 Pykara on the Nilgiris." {Blanford.) 



Genus DIPLOMMATINA, Benson. 



Diplonimatina, Bensdn. A. M.N. II. ser. 2, iv, 1849, p. 193; Gray, 

 Nomencl. Moll. Brit. Mus. i, 1850, p. 54 ; Pfeiffer, Zeits. Malak. 

 viii, 1851, p. 1-J7 ; id., M(in. Piieiim. 1852, p. 121; Adams, Gen. 

 Kec. Moll, ii, 185(3, p. 287; Chenu, Man. Conchyl. i, part 2, 1860, 

 p. 490 ; Semper, Joiirn. Conchyl. xiii, 1865, p. 293 ; Martens, 

 Preuss. Exp. O.st-Osien, Zool. ii, 1867, p. 164 ; Blanford, 

 A. M. X. II. .ser. 3, xix, 1867, p. 306 (animal) ; God win- Austen, 

 J. A. S. B. xxxix, part 2, 1870, p. 7 ; Stoliczka, op. cit. xl, part 2, 

 lo71, p. 153; Nevill, Hand List, i, 1878, p. 284; Fischer, Man. 

 Conchyl. 1885, p. 740; Godwin-Austen, Land & Freshw. Moll. 

 India, i, 1886, p. 166; Ancey, Bull. Soc. Malac. France, iv, 1887, 

 p. 277 ; Kobelt iV ^lollendoriF, Nachr. Bents. Malak. Ges. xxx, 

 1898, p. 135; id., Cat. Pneum. 1899, p. 0^; Kobelt, Das 

 Tierreich, Lief. 16, 1902, p. 42:5. 



TrfE, Bidim us foil i cuius, Pfeiffer. 



Ramje. India; Farther India; Malaysia; China, Japan, 

 Formosa; New Cruinea ; Fiji, Samoa, and Pelew Is- 



Shell minute, generally ovoid, dextral or sinistral, scarcely 

 perforate; aperture subcircular; peristome interrupted, reflected, 

 generally double ; columellar margin generally with a narrow 

 entering lamella ; operculum thin, cartilaginous, composed of few 

 whorls, bordered by a prominent ridge. 



458. Diplonimatina acutulus, Godxv'm- Austen. 



Dlplommutina acutulus, Godwin-Austen, Pec. lud. Mus. viii, 1918, 

 p. 577, text-tig. 4 c. 



Orujinal description : — " Shell dextral, very elongate and 

 slender ; sculpture fine regular rather close costulation ; colour 

 white, with a very pale ochraceous tint ; spire turreted ; suture 

 impressed ; whorls 9, regularly increasing from the apex to the 

 7th, which is the largest, sides convex ; aperture ovate, vertical ; 

 peristome circular, double ; columellar margin subvertical ; tooth 

 small, blunt. 



"Major diam. 1, total length l^'dmm." 



Ilah. India: Miri Jlills (officers of Miri Mission, 1911- 

 1912). 



"This species recalls D. exilis, W. Blf., from Ava, btit it is far 

 more attenuate and smaller. It is a beautiful shell, and fortunately 

 2 examples were found in the earth which had fallen out of empty 

 shells of Ci/clo2)Jiorus." (Godunn-Ansten.) 



