NEW SPECIES AND VARIETIES 



OF 



TERRESTRIAL AND FLUVIATILE SHELLS 

 FROM EQUATORIAL AFRICA 



BV 



M. B. PRESTON 



(With Plates IV-VI.) 



Zingis aurea sp. n. — PL V, fig. 6. 



Shell allied to Z. gregorii, Smith (') from Mt Kenia, but with much 

 more elevated spire, more convex base and higher and narrower aperture the 

 columella descendinç more verticallv than is the case with Z. gregorii. 



Alt. 11.25, diam.-maj. 12.5, diam. min. 10.75 nini. 



Aperture : ait. 8, diam 6.75 mm. 



Hab. — Jombene Hills, at an altitude of 6^000 feet, British East 

 Africa ; also taken at Nveri and Mweru in the lower countrv (Robin 

 Kemp) . 



Zingis bullata sp. n. — PL V, fig. 4. 



Shell somewhat globosely turbinate, covered with a brown periostracum; 

 whorls 5 ^, j, rather rapidly increasing, the last globose, descending in front, 



(') Proc. Malac. Soc, London, I p. 164.. 



