riLA. 97 



18S. Pila globosa {Swalnsoa). 



nia ffliibosa (Swaiiison), Zoul. Illust. ser. 1, ii, pi. 119; Philippi, 

 Monogr. Ampul. (Kiister's ed. Oheinn). p. 8, pi. 1, ti^. 3; Reeve, 

 Con. Icon., Ampul. fig.s. 46, 47 ; H. & T., C. 1. pi. 113, lig. 3. 



Orif/inal descrijitioii : — Shell globose, ver}'" smooth, olive ; spire 

 depressed ; margin of tlie aperture thick, fidvoiis, grooved ; 

 umbilicus small, contracted, placed near the base; operculum 

 shelly. 



Alt. 55*5, diam. 56*5 mm. (measurements of Swainson's figure). 



Hab. Calcutta; Eol)ilkuiid: Orissa, etc. (Conch. Ind.). 



Yar. sphaerica {Hanhy ^- Theobald), Conch. Ind'. pi. 113, fig. 4. 



Figured, but \\ithout description ; the figure shows a much 

 larger shell than the typical form, it is of a gi-eenish-olive tint and 

 painted with several narrow bauds of a reddish hue, with an 

 obliquely-set aperture. 



Alt. 64"5, diam. 6-5 mm. 



Hab. Moradabad. 



Yar. fasciata {ITanley 4" Theobald), torn. cit. fig. 5. 



Also figured, but without description ; the figure in this instance 

 shows a more numerously banded form with a rather less oblique 

 aperture. 



Alt. GB'f), diam. 62 mm. (measurements of fig. in Conch. Ind.). 



Hab. Moradabad. 



Nevill in his 'Hand List' quotes a number of varieties as 

 follows : — 



Yar. sinistrorsa {Xevill), Hand List, pt. 2, 1834, p. 2, 

 Hab. Calcutta. 



Yar. incrassatula (Xevill), Cat. Moll. Tasc. E, 1877, p. 4 ; Hand 

 List, pt. 2, p. 2. 



A small variety "distinguished b}^ its greater relative thickness, 

 by its (in living specimens) |)ure white peristome, slightly more 

 exserted spire, absence of coloured bands, and by 'the unusually 

 small umbilicus." 



Alt. 32, diani. 28*5 ram. 



Hab. Calcutta (iYfi'(70 ; Dnm-T)i\m (Wilmer). 



Yar. minor (XeviU), Cat. Moll. Fasc. E, 1877. p. 4; Hand List, 

 pt. 2, p. 2. 



A small variety with spire and aperture at base more produced 

 than in the typical form ; the columellar margin is widely ex 

 panded and stained of a rich dark chestnut-brown, the interior oC 

 the aperture being similarly coloured ; it is of a thinner and more 

 dehcate texture than the var. incrassatula. 



Alt. 36, diam. 30'5 mm. 



Hab. Dum-Dum, near Calcutta ( Wilmer) ; Siliguri (Mainwaring). 



H 



