348 cYctotrtoRib^. 



coluin(41ai' tooth very .small and internal ; peristome closely double, 



not thickened. 



" Major diam. 1"4 ; alt. axis 2'6 millim." (Godwin- Austen.) 

 Hah. India : Japvo Peak, Anghami-Naga Hills, 10,000 ft. 



(Godwin- AusU n). 



Stated to be a close ally of D. slier faiensis, but much smaller 



and with a coarser sculpture. 



538. Diplommatina subtilis, Godwin- Auntea. 



Uiplommutina subtilis, Godwin-Austen, Proc. Zool. Soc. 1892, 

 p. 517 ; id., Land & Freshw. Moll. India, ii, 1897, p. 13, pi. 66, 

 tio;s. 4, 4 a. 



Diplommatina (Sinicn) subtilis, Kobelt & Mullendortf, Nachr. 

 Dents. Malak. Ges. xxx, 1898, p. 142; id., Cat. Pneum. 1899, 

 p. Q-2 ; Kobelt, Das Tierreich, Lief. 16, 1902, p. 474. 



Original description: — ''Shell dextral, elongately ovate, 

 thickened ; sculpture, fine, close, regular costulatiou throughout ; 

 colour pale sienna-brown ; spire with convex sides, apex blunt ; 

 suture impressed; whorls 6, sides convex, penultimate slightly 

 the largest, the last does not rise much upon the penultimate ; 

 constriction in front, but not well marked ; aperture circular, 

 suboblique ; columellar tooth well developed for the size of the 

 shell ; peristome double, strong. 



" Major diam. 1 ; alt. axis 1"5 millim." 



Hah. India: Margarita, Naga Hills (Doherty). 



" This is a good species, one of the smallest ; its elongate form 

 separates it at once from D. parvula, the finer costulation and 

 larger size from D. ininuta." (God win -Austen.) 



539. Diplommatina unicrenata, Godivin- Austen. 



Diplommutina unicrenata, Godwin-Austen, Proc. Zool. Soc. 1892, 

 p. 516 ; id.. Laud & Freshw. Moll. India, ii, 1893, p. 12, pi. 66, 



tit,'- 1- 

 Diplo7nmatina (Sinica) unicrenatn, Kobelt & Mollendorff, Nachr. 

 Deuts. Malak. Ges. xxx, 1898, p. 142; id.. Cat. Pnenm. 1899, 

 p. 62; Kobelt, Das Tierreich, Lief. 16, 1902, p. 476. 



Original description : — " Shell dextral, ovately fusiform, sub- 

 rimate, rather thin ; sculpture, distant strong costulation on all 

 the whorls ; colour white, with a pale lemon-yellow tint in fresh 

 shells ; spire with sides convex, apes somewhat blunt ; suture 

 well impressed; whorls 74, antepenultimate the largest, sides 

 convex, the constriction above the aperture, in front ; aperture 

 circular, vertical ; peristome double, outer wavy in outline, with 

 one \evY marked and decided crenulation on tlie upper outer 

 margin, and a slight sinuation on the left lower margin ; columellar 

 tooth large and directed downwards. 



" Alt. axis 4 millim." 



Hah. India : Eastern Naga Hills (Doherty). 



