DIPLOMMATINA . 339 



evortato, juxta suinrani simiatnm, in expansionein angiistam 

 ung;uiformem, antice productum ; subtns rectum. Callus columel- 

 laris late appressus. 



" Alt. 3 mm. ; diam. vix 2 mm. — Aperture alt. 1 mm., lat. 1 mm." 



Ilah. ludia : Darjeeling {Blanfonl, StoUezlca). 



" The only species yet described that presents anything 

 resembling the peculiar conformation of the lip exhibited by this 

 species is the rare D. scalaria, W. Blanford, from the Khasi Hills, 

 and it is scarcely discernible in some specimens even of this 

 species, which moreover presents no other point of marked 

 resemblance. In all the specimens I have seen of D. ungulata, it 

 is strongly marked : in some, however, more so than in others. 

 .... The animal is white, with the tentacles dusky and the 

 upper part of the I'ostrura reddish coloured." (Blanford.) 



520. Diplommatina venustiila, Godwin-Austen. 



Diplommatina venust.ula, Godwin-Austen, Proc. Zool. Soc. 1892, 



p. ol8 ; id., Land .^' Freshw. Moll. Fndia, ii, 1897, p. 14, pi. 66, 



tig-s. 7, 7 a. 

 Diplommatina {Einliplom )natina) ve/iusfula, Kobelt & Mollendorff, 



Nacbr. Deuts. Malak. (res. xxx, 1897, p. lo8 ; id., Cat. Pneum. 



1899, p. 58. 

 Diplommatina {Diplommatina) vcnustula, Kobelt, Das Tierreich, 



Lief. 16, 1902, p. 448. 



Original description: — "Shell dextral, elongately fusiform, 

 thin; sculpture, fine, regular, close costulation throughout; colour 

 pale amber; spire high, sides flattish, apex acuminate; suture 

 impressed ; whorls 7k, sides convex, the penultimate the largest ; 

 constriction in front above the aperture ; aperture widely ovate, 

 suboblique ; peristome but slightly developed, narrowly double, 

 expanded into a small wing on the upper and outer margin, giving 

 it a very sinuated margin ; no columellar tooth. 



" Major diam. 2-1 ; alt. axis 4 millim." 



Hah. India : Japvo Peak, Anghami-Xaga Hills (Godiv in- Austen). 



" This species, of which I oidy obtained 3 specimens, is quite 

 distinct, as shown in the form of the Sjure and jiarticularly the 

 expanded side of the peristome, which is an unusual character." 

 ( Godwin- A asten. ) 



Subgenus METADIANCTA, Mollendorff. 



Metadiancta, Mollendorff, Nachr. Deuts. Malak. Ges. xxx, 1898, 

 p. 98 (section) ; Kobelt & Mollendorff, torn. cit. p. 138 (subgenus) ; 

 id.. Cat. Pneum. 1899, p. o8; Kobelt, Das Tierreich, Lief. 16, 

 1902, p. 449. 



Type, Diplommatina doliertyi, Godwin-Austen. 

 Range. Assam and Munipur. 



Constriction at the last third of the penultimate whorl, no 

 parietal folds. 



z2 



