1)1PL0MMATIX\. 337 



double, not ooiitiniious ; colamellar margin curved, )io tooth 

 visible viewed from the front, but seen slightly well within the 

 aperture. 



" Major diam. 1-4, alt. axis 2-3 mm." 



Hah. India: J)av]eQ\mg (Theohald). ■ 



"This interesting sinistral species, the first I have seen from 

 the Darjeeling Hills, is another similar to D. jahitlam of the 

 mountains south of the Brahmaputra, but differs in many respects, 

 particularly in its tumid small size and the absence of the 

 culuraellar tooth." {Godwin- Austen.) 



518. Diplommatina tumida, Godwin-Austen. 



JJiploiinnatinn tumida, Godwin-Austen, .T. A. S. B. xxxix, part 2, 

 1870, p. 6, pi. -2, tig'. 2; Ilaiiley & Theobald, Conch. Ind. 1875, 

 pi. 139, tig. 1 ; rteitfer, Mou.' Pueuni. Suppl. 3, 1875, p. 71; 

 Theobald, tat. Sliells Brit. India, 1876, p. 42; Nevill, Hand 

 List, i, 1878, p. 28(1 



Diplommatina [Eudiplommafina) tumida, Kobelt & Mollendorfi, 

 Nachr. Deuts. 31alak. Ges. xxx, 1898, p. 138 : id., Cat. Pneinu. 

 1899, p. 58. 



Diplommatina {Diplommatina) tumida, Kobelt, Das Tierreich, 

 Lief. 16, 1902, p. 447. 



Oriqinal description: — "Shell dextral, ovately and tumidly 

 fusiform, color i)ale corneous, or pale green ; costulation fine 

 and close throughout ; spire attenuate, rather pointed. Whorls 

 8, lower tumid, sides rounded below, flat above, penultimate the 

 largest ; suture impressed,— a well marked constriction of penulti- 

 mate whorl situated close behind the peristome, last whorl rises 

 slightly on the penultimate; aperture vertical, circular, columellar 

 margin rather straight, tooth large ; peristome double, moderately 

 thickened and continuous, forming a callus on the pemdtimate. 



"Height 0-23 [o'To mm.]; diam. 0-13 [3-25 mm,]; diam. of 

 ap. with peristome 0-07 [1-75 mm.]." (Godwin-Austen.) 



ITah. India : Burrail Kange, near IVenglo, N. Cachar Hills 

 (Godwin- Austen). 



Stated to be closely allied to D. jxtcJn/chilus, Benson, and to 

 ])artake also somewhat of the character of D. Idanfordiana, but 

 it is more tumid, while the position of the constriction separates 

 it well from both those species. 



Var. abdita, nom. nov. 



Diplommatina tumida, var., Godwin-Austen, .1. A. 8. B. xliv, part 2, 

 1875, p. 9, pi. 4, figs. 7, 7 a. 



Original descri jHion :—'' ShtW elongately fusiform, thin, pale 

 yellowish green, sculpture very faint above, quite smooth on the 

 3 last whorls, spire attenuate, sides ilat, suture moderate; whorls 

 Si to 9, the antepenultimate the largest, constriction in front, 



