new MollusJcs f)'om South or Central Africa. 91 



An extremely pretty though very small shell, of wliich the 

 three S|jecimens in Mr. Layard's collection are all more or less 

 imperfect. They bear a decided superficial resemblance to 

 certain marine forms of the genus Chemnitzia, the shell being 

 very delicate, white, eight- or nine-whorled, the whorls 

 gradated at the sutures and longitudinally finely ribbed with 

 raised strife. 



11. Cionella ovampoensisj sp. n. (PI. VI. fig. 1.) 



C. testa parva, aciculari, Candida, tenuissiraa, apice obtuso ; anfrac- 

 tibus quatuor, ultimo prodiicto, columella ad basin truncata ; 

 apertura obloup;a, labro simplici. 



Long. 8, lat. 1 mill. 



' Hah. Ovampo-land {E. L. Layard). 



A very elegant, pure white, four-whorled shell, with very 

 obtuse apex, a little recalling the Ccecilianella acicula (Miill.) 

 of Europe and the British Isles. 



12. Pupa eh'zabethensis, sp. n. (PI. V. fig. 13.) 



P. testa minuta, aperte rimata, vitrea, albo-nitente, breviter cjlin- 

 drica ; anfractibus septem, laevibus subventricosis, minutissime 

 sub lente striatubs ; apertura I'otundata, plicis duabus intrantibus 

 munita, altera parietali, altera columellari valde intrante ; peri- 

 stomate paulhim rcflexo. 



Long. 3, lat. 1-20 mill. 



Hah. Port Elizabeth {Miss Glanville). 



This little Pupa is a shining, white, smooth species ; with a 

 strong magnifier the slightly ventricose whorls are found to 

 be closely and finely striated ; the mouth is furnished with 

 two teeth-plaits, both deep-seated and extending far back, 

 one parietal, the other behind the columellar margin ; the lip 

 is also slightly reflexed. 



Four specimens. 



13. Pupa ovampoensis, sp. n. (PL VI. fig. 11.) 



P. testa rimata, prolongato-cylindrica, alba, tenui ; anfractibus 

 quinque, veutricosis ; apertura subquadrata ; peristomate effuso, 

 dentibus duobus raunito, altero parietali, altero subtus marginem 

 columellarem intrante. 



Long. 2, lat. 1 mill. 



Hah. Ovampo-land (E. L. Layard). 



A very neat though minute species, with conspicuously 



