PRESTON: ON NEW SPECIES OF KRAPFIELLA. 283 



crenellate, and narrowly margined below by a raised yellowish ridge ; 

 umbilicus narrow, deep, half-concealed by the narrow outward 

 reflexion of the columella ; columella lilac-coloured, finely granulate, 

 narrowly outwardly reflexed, obliquely descending above, somewhat 



curved below ; labrum simple ; aperture elongately ovate; interior of 

 shell lilac-coloured shading to a bluish tinge in places. Alt. 44'5, 

 diam. maj. 18'5 mm. Aperture: alt. 20-75, diam 9-5. 



Hab. — Northern region of British East Africa (A. Blayney 

 Percival). 



Krapfiella magnifica, n.sp. 



Shell turriculate-fusiform, moderately thin, brownish red, shading to 

 yellowish red just behind the labrum, a broad, ill-defined band of the 

 same tint encii'cling the umbilical region, which is of a reddish-purple 

 colour, covered with a thin periostracum which gives to the otherwise 

 polished surface a dull appearance, extreme apex slightly sunken ; 



whorls 71, the first 3^ sculptured with somewluit fine, revolving, 

 spiral lirse, tlie remainder marked only with rather oblique, 

 transverse ridges; base of shell finely and closely spirally striate; 

 suture impressed, somewhat puckered by the terminations of 

 the transverse ridges ; umbilicus ovate, moderately open, deep ; 

 columella descending in a slightly oblique and very gentle curve, 



