472 Mr. 11. B. Preston on 



aperture rather narrowly inversely auriform ; interior of shell 

 pale bluish white, polished, nacreous. 



Alt. 58, diam. raaj. 27, diam. min. 2-i mm. 



Aperture: alt. 21, diam. 14 mm. 



Iloh. Mount Kenia, at an altitude of 6000-8000 feet, 

 British East Africa. 



I am inclined to include in this section Lhnicolaria dohert/i'i^ 

 Smith *, from Uganda, and also Li'micolaria keniana, Smith t> 

 from Mount Kenia. 



Krapfiella, gen. no v. 



Shell bulimiform, perforate, with apical whorls large, broaJ, 

 unci sculptured with spiral strice, the later wiiorls marked 

 only with transverse wrinkles ; columella not truncate. 



Type of genus, K. mirabilis. 



Krapfiella mirabilis, sp. n. (Figs. 25 A, 25 B.) 



Shell elongately ovate, rather thin, yellowish brown j 

 whorls b\, the apical whorls closely but coarsely spirally 

 striate, tlie later whorls sculptured with transverse liblets ; 

 suture well impressed, somewiiat crcnellate ; umbilicus 

 narrow, deep, partly concealed by the outward expansion of 

 the columella; columella glassy, slightly oblique, outwardly 

 expanded ; peristome simple; aperture inversely auriforln. 



Alt. 235, diam. maj. 13, diam. min. 11 mm. 



Aperture : alt. 10'25, diam. S'S mm. 



Hah. Mount Kenia, at an altitude of 6000-8000 feet, 

 British East Africa. 



Ilomorus egregius, sp. n. (Fig. 26.) 



Shell subulate, glossy, polished, shining, yellowish olive ; 

 whorls 11, somewhat convex, maiked with transverse growth 

 strife; suture well impressed, somewhat crenellate; colu- 

 mella curved, obliquely truncate below, a light well-defined 

 callus extending from it to the margin of the labrum above ; 

 labrum simple ; aperture elongately inversely auriform. 



Alt. 51*75, diam. maj. 18, diam. min. 11 mm. 



Aperture : alt. 13, diam. 5'5 mm. 



Ilah. Mount Kenia, at an altitude of 6000-8000 feet, 

 British East Africa. 



Curvella deliciosa, sp. n. (Fig. 27.) 

 Shell ovately fusiform, thin, vitreous, pale greenish white ; 

 * J. Malac. viii. p. 05. t J- Coiicb. x. p. 318. 



