466 Mr. IT. B. Preston on 



Alt. 4-5^ (Ham. niaj. 2"5 nun. 



Aperture: alt. 1, diani. '5 mm. 



Hah. Between Rumruti and Mount Kenia, Biitsli East 

 Africa ; specimens w ere also taken on Mount Kenia itself at 

 an altitude of from 6000-8000 feet. 



The sculpture of the species is very beautiful, and under a 

 lens recalls that of some of the more distantly costulate 

 Scalarice. 



Entiea princei, sp. n. (Fig. 7.) 



Shell cjlindrically ovate, perforate, cream-coloured ; 

 whorls 7, the first five rapidly increasing, the last ascending 

 in front, closely obliquely transversely striate; suture in.- 

 })ressed ; umbilicus moderately narrow, deej) ; peristome 

 nearly continuous, v.'hite, narrowly reflextd ; aperture irregu- 

 larly rectangular, armed with an almost vertical parietal 

 lamella; a large projecting denticle on the outer lip, opposite 

 which is situate a similar denticle of about equal size on the 

 columella. 



Alt. 4, diam. maj. 2'25 mm. 



Aperture : alt. 1, diam. nearly '75 mm. 



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

 British East Africa. 



El nca simph'cimo, sp. n. (Fig. 8.) 



Shell cylindrical, very thin, almost membranaceous, per- 

 forate, ]jale greenish white ; whorls 6, the first four rapidly 

 increasing, transversely striate, the striai becoming obsolete 

 on the later whorls ; suture well impressed ; umbilicus very 

 narrow, nearly concealed by the outward expansion of the 

 columella; columella descending obliquely, a thin white 

 callus joining it with the lip above ; labrum thin, white, 

 scarcely reflexed; aj)erture broadly and shortly inversely 

 aurift)rm, edentulate. 



Alt. 5, diam. maj. 2 vaxw. 



Aperture: alt. 1, diam. '75 mm. 



Hah. Mount Kenin, at an altitude of 9000-10,000 feet, 

 British East Africa. 



Tkapsia ramrutiensis, sp. n. (Fig. 9.) 



Shell perforate, small, depressedly turbinate, moderately 

 solid, dark straw-colour ; whorls 3^, rather rapidly increasing, 

 marked with lines of growth, the last angled at the periphery ; 

 suture impressed ; base of shell somewhat inflated, sculptured 



