)ieiv Shells from British East Africa. 467 



^vit]l very fine wavy stria? ; nni])ilicus very narrow ; colu- 

 mella short, curved; labium simple, acute; aperture broadly 

 subbinate. 



Alt. 1-25, diam. niaj. 2*5, diam. min. 2 25 mm. 



Hab. Between Rumruti and Mount Kenia, British East 

 Africa ; two specimens were also collected at Rumruti on the 

 Laikipia Plateau. 



Zingis ffaziensis, sp. n. (Fig-. 10.) 



Siiell depressedly turbinate, thin, pale yellowish brown ; 

 whorls 4^, sculptured with coarse, transverse, subplicate lines 

 of growth; suture impressed; umbilicus deep; columella 

 arched, outwardly dilated above ; labruin simple ; aperture 

 rather broadly lunate. 



Alt. 4, diam. maj. 7*5, diam. min. 6"5 mm. 



Aperture : alt. 3, diam. 2*5 mm. 



HaO. Gazi, British East Africa. 



ZIngis consanguinea, sp. n. (Eig. 11.) 



Closely allied to Z. gaziensis, but darker in colour, with 

 rather more produced spire and wider umbilicus ; the aperture 

 also is rather more broadly lunate. 



Alt. 4*75, diam. maj. 8"25, diam. min. 7 mm. 



Aperture : alt. 3"25, diam. 3*5 mm. 



Hah. Between Rumruti and Mount Kenia, British East 

 Africa; also collected on Mount Kenia at from 6000-8000 

 feet altitude. 



Zingis keniana, sp. n. (Fig. 12.) 



Shell turbinate, with moderately exserted si)ire, thin, pale 

 brown, painted with a rather broad band of pale reddish 

 purple just above the periphery; whorls 5^, regularly in- 

 creasing, the last rather globose, marked with growth-ridges 

 and sculptured with very fine, closely set, silky, oblique, 

 tiaiisverse and fine, spiral striae; suture impressed, somewhat 

 wrinkled below ; base-of shell spirally striate ; umbilicus very 

 narrow, deep, overhung by the expansion of the columella ; 

 columella descending in a curve, outwardly expanded and 

 diffused into a polished, granular, spiially striate, parietal 

 callus which reaches the lip above ; labrum simple ; ap.-rture 

 broadly sublunate. 



Alt. 10, diam. maj. 14'25, diam. min. 12 5 mm. 



Aperture : alt. 7, diam. 6 mm. 



Bab. Mount Kenia, at an altitude of 9000-10,000 feet, 

 British East Africa. 



31* 



