212 Mr. H. Fulton on supposed 
whorls of a semitransparent flesh-colour, tipped at the apex 
with dark brown, last whorl obsoletely keeled at the periphery ; 
there is a narrow greyish-blue band just above the umbilical 
area, which is continued spirally upon the parietal wall; lip 
and columella pale purple, connected by a thin reddish-brown 
callus; lip slightly expanded and reflected; interior of aper- 
ture white. 
Long. 32 millim., maj. diam. 15 millim. 
Type in British Museum. 
Loc. South Flores Island (Zverett) ; Sumba Island. 
Some specimens have an additional narrow spiral band just 
below the periphery. ‘This species is very closely allied to 
my A. sumbaensis, but can easily be distinguished by its 
different coloration. 
XVIII.— On supposed new Species of Oleacina, Trochomorpha, 
and Bulimulus. By Hueu FuLron. 
[Plate VI.] 
Oleacina Underwoodi, sp.n. (PI. VI. fig. 9.) 
Shell ovate-conic, moderately thin, dark reddish brown, 
polished, almost smooth, growth-lines showing more distinctly 
at and below the suture, which is very narrowly but distinctly 
filleted ; whorls 53, slightly convex; apex obtuse; aperture 
ovate, a little less than half the length of the shell; lip 
simple, scarcely thickened ; columella incurved, truncate. 
Long. 21 millim., maj. diam. 11 millim. 
Type in British Museum. 
Loc. Asaha Centago, Costa Rica (C. F. Underwood). 
The nearest species to this is aurantiaca, Angas, but that 
species is of a much more elongate form and lighter colour. 
Trochomorpha (Videna) andamanica, sp. n. (Nevill, MS.). 
(Pl. VI. figs. 4, 4a, 40.) 
Shell subcireular, light yellowish brown ; umbilicus wide, 
funnel-shaped and sharply angled; whorls 64, slowly in- 
creasing, suture bordered with a depressed and well-defined 
narrow margin, obliquely striated by growth-lines above and 
below, last whorl compressed at the margin and acutely 
keeled ; aperture very oblique, lip slightly thickened. 
Maj. diam. 14 millim., height 45 millim., width of umbili- 
cus 5 millim. 
Type specimen in British Museum. 
Loc. Port Blair, Andaman Islands. 
