i:.0 Mr. II. C. Fulton on 



Trochomorpha crassicart'nata, sp. n. (PI. IX. fi^'. 2.) 



SIk'H mo(l(M-afely soliil, widely ninbilicatoJ, apox yellowish, 

 roinaiiulorof shell of a uniform dark brown colour ; whorls Gi, 

 .ilighlly Convex :i1)ovo, the last dccidoclly so below, lirdt two 

 smooth, others with rather conspicuous and irregular oblique 

 stria', last whorl compressed and rounded at the keel ; aper- 

 ture very oblique, dark within j peristome simple, slightly 

 thickened at basal and columellar portion. 



^laj. diam. 20, alt. 8 mm. 



JJa/). Nias Island, N.W. Sumatra. 



Chiefly characterized by its dark coloration and thickened 

 keel. 



Trochumorjiha uiascnsii', sp. n. (PI. IX. fig. 3.) 



Shell rather thin, subtransparent, moderately umbilicated, 

 light yellowish brown, suture of lower whorls and keel of last 

 edged with dark brown ; whorls 6, very slightly convex 

 above, first one and a half smooth, others with oblique striic 

 or growth-lines; aperture whitish within, oblique; peristome 

 thin, somewhat thickened at columellar portion. 



31 aj. diam. 21, alt. 8 mm. 



Hub. Kias Island, Sumatra. 



This s})ecies differs from T. craasicarinnta by its thinner 

 substance, lighter coloration, narrower umbilicus, and its 

 more rajiidly increasing whorls, more especially noticeable on 

 a comparison of the last whorl. 



Cochlosiyla (Anixa) j^^'opitia^ sp. n. 

 (PI. IX. figs. 4-G.) 



Shell imperforate, solid, subglobosely depressed, upper 

 ])art light reddish, the lower dark, covered with a lighter 

 yellowish-brown epidermis, which consists of oblique narrow 

 streaks crossed on the last whorl by more or less distinct, 

 narrow, interrupted bands of arrow-like markings; this 

 coloration is continued to a point ju.«t below periphery of last 

 whorl, the remainder of the underside being of a blackish- 

 l>rowii colour; whorls nearly 5, moderately convex, suture of 

 lower whorls narrowly impressed, last whorl subangular and 

 descending slightly at its termination ; aperture suboval, 

 bluish white within ; peiistome thickened and expanded, 

 slightly reflexed, blackish brown, except the upper expanded 

 columellar portion, which is whitish; columella oblique, 

 thickened ; margins of peristome connected by a slightly 

 raised transparent callus. 



