C YC LOTU S . 



Plate IX. 



Species 50. (Mus. Cuming.) 



Cyclotus filocinctus. Oycl. tcstii profuiide excavato- 

 umbilicatd, pelliicido-albd, epulernude coriwd decidiid 

 indutd, anfractibus rotundatis, uudique spiruliter Jilo- 

 striatis. 



The thread-girt Cyclotus. Shell deeply excavately 

 umbilicated, transparent-ivhite, covered with a de- 

 ciduous horny epidermis, whorls rounded, spirally 

 thread-striated throughout. 



Cijclosioma filocincUi,m, Benson, Ann. Xat. Hist. Second 

 Series, vol. viii. p. 188. 

 Cyclotus filocinctm, Benson. 



llab. Xeilghewy Hills, India. 



This delicate little Ci/clotiis is of a raised obtusely-coni- 

 cal form. 



Species 51. (Mus. Cuming.) 



Cyclotus scalaris. Ci/cI. ieatd aiiguste profimde itm- 

 biUcatd, acute elevato-coiivoluid , fHleesceufe-corned, 

 anfractibus rotundatis, Iftvigatis, labro subrcjlexo. 



The laddee-like Cyclotus. Shell narrowly deeply 

 umbilicated, sharply elevately coiled, fulvous horny, 

 whorls rounded, smooth, lip slightly reflected. 



Cyclostoma scalare, Pfeifl'er, Pro. Zool. Soc. 1851, p. 250. 

 Cyclotus scalaris, Pfeiffer. 



Hub. Philippine Islands ; Cuming. 



The spire is in this species rather sharply, and some- 

 what loosely, elevated. 



Species 53. (Mus. Cummg.) 



Cyclotus sordidus. Cycl. testa subanguste profundi 

 nmbilicatd, sordide alba, epidermide tenui corned de- 

 cidud induld, sjiird elevatiusculd, anfractibus spiraliter 

 filo-striatis. 



The dull Cyclotus. Shell rather narrowly deeply um- 

 bilicated, dull-white, covered with a thin deciduous 

 horny epidermis, sjjire slightly raised, whorls spirally 

 thread-striated. 



Cyclostoma (Cyclotus) sordidus, Pfeiffer, Pro. Zool. Soc. 

 1855, p. 10:;. 

 Cyclotus sordidus, Pfeiffer. 



IM. China. 



Closely sculptured throughout in the spiral direction, 

 with very fine strife. 



Species 53. (Mus. Cuming.) 



Cyclotus Pecluzianus. Cycl. testa modicH umbilicatd, 

 tenui, fulvescente-fuscd, anfractibus declivi-convexis, 

 spiraliter flo-striatis, ad peripheriam carinatis, ad 

 suturam exiliter plicato-ruyatis. 



Eecluz' Cyclotus. Shell moderately umlnlicated, 

 thin, fulvous-brown, whorls slopingly convex, spirally 

 thread-striated, keeled at the periphery, faintly pli- 

 cately wrinkled at the suture. 



Cyclostoma (Cyclotus) Recbcianum, Pl'eiffer, Pro. Zool. 

 Soc. 1853, p. 51. 

 Cyclotus Reclu:ianus, Pfeiffer. 



Hab. Salomon's Island. 



A thin shell, plicately wrinkled next the suture, across 

 the spiral striae. 



Species B-i. (Mus. Cuming.) 



Cyclotus Natalensis. Cycl. testd angnste umbilicatd, 

 cornico-turbiiiatd, fuscescente,fuscescente nndique pal- 

 lide Vmeari-unduhdd, castaneo infra peripheriam con- 

 spicue. fasciutd, anfractibus lavibus. 



The Natal Cyclotus. Shell narrowly umbilicated, 

 conically turbinated, fulvous, faintly linearly waved 

 with brown throughout, conspicuously banded with 

 chestnut below the periphery, whorls smooth. 



Pfeiffer, MS. in Mus. Cuming. 



Hab. Natal. 



In form and colouring this shell partakes of the cha- 

 racter of the prevailing Madagascar type of Cyclostoma. 



Species 55. (Mus. Cuming.) 



Cyclotus plebejus. Cycl. testd anguste umbilicatd, 

 acute depresse turbinatd, opaco-alhd, sordide livido 

 tinctd, anfractibus rotundatis, obsolete trausversim 

 rug aid. 



The poor Cyclotus. Shell narrowly umbilicated, sharply 

 depressly turbhiated, opake-white, stained with dull 



October, 1863. 



