166* 



forward close to the last volution ; the umbilicus is of moderate 

 size, externally carinated; operculum horny, multispiral, lamellar, 

 with a short central point within, and a thickened edge. 



Copan, Province of Guatemala in Central America. Mas. 

 Cuming. 



195. Cyclostoma funiculatum (Tab. Suppl. xxxi. b, f. 316, 

 317), Benson, Journ. of Asiatic Society, 1838, vol. vii. p. 217. 



C. testa cylindraceo-turrita, keviuscula, nitida, olivaceo-fulva j 

 spira obtusiuscula, ; anfractibus septem, subrotundatis, posticis 

 tenerrime striatis, ultimo ruguloso, postice striato ; sutura dis- 

 tincta, tenui ; apertura circulari ; peritremate incrassato, rotundato- 

 reflexo, subaurantiaco ; umbilico parvo, extiis carina valida, cajlata 

 munito. 



Shell of a cylindrically turreted form, smooth, shining, of an 

 olivaceous fulvous colour ; spire rather obtuse, with seven slightly 

 rounded volutions, which are very finely striated posteriorly, and 

 the last of which is rather rugulose and posteriorly striated ; 

 suture distinct and slender ; aperture circular ; peritreme thick- 

 ened, rounded and reflected, of a dull orange- colour ; umbilicus 

 small, furnished externally with a distinct embossed carina. 



Khasya Hills, India. In Mr. Benson's and Mr. Cuming's 

 Collections. 



196. Cyclostoma faupeuculum (Tab. Suppl. xxxi. b, f. 318), 



nobis. 



C. testa cylindraceo-turrita, nitida, olivaceo-fulva ; spira obtusi- 

 uscula ; anfractibus sex, subrotundatis, tenerrime liueis incrementi 

 striatis (crosione nonnunquam rugulosis) ; sutura distincta, pro- 

 fundiuscula ; apertura fere circulari ; peritremate subincrassato, 

 rotuudato-reflexo, prope ultimum anfractum subfoliaceo, subinter- 

 rupto ; umbilico parvo, linea subobsoleta circumambiente. 



Shell small, cylindrically turreted, shining, of an olivacco-ful- 

 vous colour ; spire rather obtuse, with six slightly rounded volu- 

 tions, very finely striated with the lines of growth (sometimes 

 rendered slightly rugulose by erosion) ; suture distinct, rather 

 deep ; aperture nearly circular ; peritreme slightly thickened, 

 rounded, and reflected, very slightly foliaceous and interrupted 

 at the last volution ; umbilicus small, surrounded by a somewhat 

 obsolete raised line. 



Bootan. Benson. 



