Tl^IlRESTIUAL AXU FMrVlATlLE .SHELLS. 185 



Alt. 4-5, (liaiii. luaj. 9, diain. min. 7 mm. 

 Aperture : alt. 4, diam. 4*75 mm. 



Hah. Between Mbaxara and Kigezi, extreme S.W. Uganda 

 {Robin Kemp). 



ZlNGlS KEMPI, sp. n. (PI. XXXII. fig. 14.) 



Shell small, perforate, thin, rather depre.ssedly tui-l)inate, 

 greenish olive ; whorls 3^, the earlier whorls somewhat pitted, 

 the later sculptured with oblique, radiate growth-plica?, the last 

 whorl subangulate ;i,t the periphery ; suture imi)ressed ; base of 

 shell slightly inflnted ; umbilicus narrow, deep, slightly overhung 

 by the outward expansion of the columella ; columella somewhat 

 broadly outwardly expanded, descending in a very slight curve ; 

 labrum acute, simple, receding below; aperture obliquely 

 sublunate. 



Alt, 2-5, diam, maj, 5-25, diam, min. 4-5 mm. 



Aperture : alt. 2-25, diam. 2 mm. 



Hah. Between Mbarara and Kigezi, extreme S.W. Uganda 

 {Rohhb Kemp). 



ZiNGIS PAPYRACEA, Sp, n, (PI. XXXII. fig. 15.) 



Shell rimate, very thin, globosely turbinate, pale yellowish 

 horn-colour; whorls 5, the first four regularly increasing, the 

 last large, inflated, marked with transverse growth-lines, and 

 minute, wavy, transverse strise ; suture impressed, very narrowly 

 niaig-ined below ; perforation very narrow, almost covered by the 

 outward expansion of the columella ; columella outwardly 

 retiexed and vertically descending above, curved below ; labrum 

 thin, very slightly retiexed, especially towards the base ; aperture 

 very broadly and compressedly sublunate. 



Alt. 8-25, diam, maj. 13*5, dia.m. min. 11'25 mm. 



Aperture: alt. 6*75, diam. 6-2,5 mm. 



llah. Kigezi, extreme S.W. Uganda, at an altitude of GOOU ft. 

 (Robin Kemp). 



ZlXGLS PLANISPIRA, sp. U. (PI. XXXII. fig, 16.) 



Shell perforate, thin, almost membranaceoiis, very depressedly 

 turbinate, semiorbicular, pale yellowish brown, painted with a 

 super-sutural line of dull reddish puqile, which appears on the 

 last whorl as a narrow, super-peripheral band ; whorls 4g, some- 

 what rapidly increasing, the last large and slightly descending in 

 front, sculptured throughout with radiate wrinkles ; suture 

 impressed ; umbilicus moderately wide, deep ; columella descending 

 in a .shar[) curve, outwardly rather broadly expanded ; labrum 

 acute, retiexed thi'oughout; aperture very broadly and depressedly 

 sublunate. 



Alt. 6"75, diam. maj. 13"75, diam, min, 11 mm. 



Aperture : alt. 5, diam. 6 mm. 



JTab. Between Entebbe and Mbarara, Uganda {Robin Kemp), 



In sha])e resembling the Eastern llelicoid genus Rluniajnra. 



