110 



PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 



Ilab. — Blount Nyiro, to the south of Lake lludolph, at an altitude 

 of 8,300 feet (A. Blayney Percival). 



Mr. Percival also collected this species between Eusso Nyiro and 

 the southern slopes of Mount Marsabit, while he also took a single 

 specimen, which agrees very well with the type, on the northern 

 slopes of that mountain ; it appears to be somewhat variable both 

 in general shape and also in colour, some specimens being somewhat 

 less obese than others, while the colour varies from olive brown 

 with scarcely any signs of transverse banding to that of the type- 

 specimen. 



Yar. FLAViDA, n.var. 



Shell differing from the typical form in being of a uniform pale 

 yellowish brown colour, without darker markings of any kind, the 

 columella is rather more curved, and the aperture is proportionately 

 somewhat shorter and more oblique ; the interior of the shell is pale 

 lilac without any other colouring. Alt. 47, diam. maj. 2r5mm.; 

 aperture, alt. 19, diam. 11-75 mm. 



2£ab. — iSTorthern slopes of Mount Marsabit, British East Africa, at 

 an altitude of 4,600 feet (A. Blayney Percival). 



LlMICOLAKIA (BkBMANNIELLA) PERCURTA, U.Sp. 



Shell rimate, ovate, light yellowish, painted with blotches, transverse 

 streaks and flame-markings of dark purple ; whorls 6|, the last 

 somewhat inflated, sculptured with oblique, transverse ridges crossed 

 by spiral strite, thus presenting a moderatelj' finely decussate 

 appearance, this sculpture becoming obsolete towards the base of 

 the shell, which is marked only with fine, wavy, spiral, incised striije ; 



suture impressed, irregular, crenellate, narrowly margined below; 

 perforation reduced to a narrow fissure by the reflexion of the 

 columella; columella curved, narrowly outwardly bent and reflexed, 

 extending above into a thin, well-defined callus which enters the 

 aperture "a short distance behind the upper margin of the labrum ; 



