CHLORITIS. 171 



behind the peristorne, shortly but deeply descending in front, 

 subangulated around the umbilicus, which is rather wide at first, 

 showing the greater part of the penultimate whorl, when it 

 suddenly contracts, leaving only a very narrow perforation. 

 Aperture subcircular, margins approaching ; peristome scarcely 

 thickened, expanded but not reflexed ; the columellar margin 

 triangularly dilated and slightly overhanging the umbilicus. 



Major diam. 14-5, minor 11-5, alt. 7 mm." (Gude.} 



Hob. India : Bombay (Leith). 



From G. helferi, an Andaman species, G. leithi differs in being- 

 much thinner in texture, in having the hairs, which are larger 

 and softer, much more crowded, and in being coiled differently 



Fig. W.Chloriiis leithi. (From Proc. Malac. Soc. London.) 



as it has the last whorl proportionately wider. It also bears 

 some superficial resemblance to Ghloritis propintpta, but that 

 species is a much stouter shell, with a more elevated spire, while 

 in G. leithi the umbilicus, although wider at first, becomes 

 more contracted. There are two other shells in the British 

 Museum also collected by Dr. Leith, but they are slightly 

 damaged. A specimen in Mr. Ponsonby's collection is a trifle 

 smaller than the type, measuring 14 : 10*75 : 6'75 mm. 



None of the specimens is quite adult, the peristome apparently 

 not having been quite completed. 



144. Chloritis wimberleyi, Godwin-Austen. 



Planispira wimbcrleyi, Godwin- Austen, P.Z. S. 1895, p. 449. 



Original description : " Shell depressedly orbiculate, nai-rowly 

 umbilicated, very finely hirsute ; sculpture, when this is abraded 

 the surface is covered with minute regular papillation, which is 

 much coarser than that of //. helferi ; colour horny-grey ; spire 

 rounded ; apex rounded ; suture impressed ; whorls 4, not fully 

 developed, slightly convex ; aperture and peristome probably 

 slightly expanded and reflected. 



" Maj. diam. 10-2, min. 8-9 ; alt. axis 5*7 mm. 



" Nab. Nicobars. 



" The species is nearest to H. lielferi, but may be distinguished 

 by its narrower umbilicus and the great difference in sculpture, 

 and the whorls above are not so flat. This is probably No. 102 

 of Nevill's Hand List (p. 76), collected by Ferd. Stoliczka." 

 ( Godwin- Austen.} 



