414 Dr. F. Unas on new Shells 



(7) Nanina hutonensis hageni, subsp. n. 



Distinguished from typical N. hutonensis by its higher 

 spire, more convex whorls, chestnut-coloured umbilicus, and 

 by the distinctly marked black peripheral band on the last 

 whorl. 



Diam. maj. 33, diam. min. 28 mm. ; alt. 22 mm. 



Type locality. Baoe-baoe, Boeton. 



Specimens examined 3. 



(8) Nan'ina hutonensis rarimaculatj, subsp. n. 



Nearly related to typical N. hutonensis, but somewhat 

 larger, with two peripheral bands on the last whorl which are 

 not connected at the aperture, and tlie last whorl above tlie 

 upper band densely spotted with black; umbilicus dark. 



l)iam. niaj. 36, diam. min. 30 mm. ; alt. 21 mm. 



Type locality. Lipoemangaoe, S.E. Boeton. 



Specimens examined 4. 



(9) Everettia iridescens, sp. n. 



Shell small, moderately umbilicated, thin, corneous, 

 shining and iridescent, very minutely striate above and 

 below ; spire much depressed, apex blunt, suture rather deep; 

 Avhorls 5j, rounded at the periphery, somewhat flattened 

 above and below, regularly increasing; last whorl not 

 descending anteriorly ; aperture oblique, lunate ; peristome 

 thin, not thickened nor expanded ; columeliar margin some- 

 what reflexed upon the umbilicus. 



Diam. maj. 8'5, diam. min. 7'5 mm. ; alt. 4 mm. 



Type locality. Svvela, island of Lombok. 



Specimens examined 2. 



(10) Trochomorpha ( Videna) siernij sp. n. 



Shell widely umbilicated, acutely keeled, thin, minutely 

 and regularly striate above and below, pale corneous, with a 

 dark chestnut, narrow band both above and below the keel; 

 spire depressed, apex obtuse ; whorls 5^, regularly increasing, 

 rather flattened below, the last obtusely angulated round the 

 deep umbilicus, not descending anteriorly; suture very faint, 

 appressed ; peristome tl)in, columeliar margin not reflexed. 



Diam. maj. 15"5, diam. min. 13'3 mm. ; alt. 5*5 mm. 



Type locality. Tihoe, island of Wetar. 



Specimen examined 1. 



