Zoological Society. 453 



interjacentibus obsoletis scuJptd, snb epidennide decidud, . . . . at- 

 bidd ; spird turbinatd, superne I'ufd, acutiusciild ; anfractibus o, 

 convexiuscuUs, ultimo ventroso, circa umbilicum angustum, infun- 

 dibuUformem vix compresso ; aperturd subverticali, circidari ; 

 peristomate simpUce, continuo, breviier adnata, /usco-igneo, sub- 

 incrassato, breviier expanso, superne subangulato. — Operculum? 



Diam. maj. 48, min. 39, alt. 35 mill. 



Hab. in Hitnalayji. 



2. Cyclostoma EUCHiLUM, Pff. C, testd nmbilicatd, turhinato- 

 subglobosd, soUduld, obliqui confertim striatd, lineis impressis 

 distantioribus obsolete clathratuld, albidd, violaceo-fusco etfulvo 

 variegatd, parum niiidd ; spird turbinato-elevatd, apice acuti- 

 usculd ; anfractibus 5^, convexis, ultimo rotundato, ad suturam 

 subdepresso, medio albo-fasciato, basi confertim et valide sjjirali' 

 ter sulcata; umbilico mediocri, in/undibuli/ormi ,' aperturd vix 

 obliqud, subangulato-circulari, intus purpurascenii-carneo-micante ; 

 peristomate subcontinuo, albo, marginibus superne dilatatis, callo 

 subemarginato junctis, dextro et basali latissimis, fornicatim revo- 

 lutis, sinistra angustato, vix reflexo. — Operculum ? 



Diam. maj. 43, min. 32, alt. 28 mill. 

 Hab. Madagascar. 



3. Cyclostoma crassum, Pfr. C. testd umbilicatd, turhinatO' 

 globosd, crassd, striatd et minute nialleatd, rubello-fulvd, fasciis 

 et lineis intemiptis castanets arnatd ; spird turbinatd, obtusius- 

 culd ; anfractibus 5, convexis, ultimo superne turgido, infra medium 

 carind funifonni et fascid latiore nigricante circumdato, basi sub- 

 planulato, circa umbilicum angustum, infundibuliformem subcom- 

 presso; aperturd obliqud, subangulato-ratundd, inlus rubelld ; 

 peristomate duplice : interna continuo, externa crassa, expanso, 

 ad anfractum penultimum breviter interrupto. — Operculum ? 



Diam. maj. 27, min. 23, alt. 18 mill. 



Hab. Liew Kiew, et var. minor in insula Ibyat (Bashee group). 



4. Cyclostoma expansum, Pfr. C. testd umbilicatd, turbinato- 

 subglobosd, solidiusculd, spiraliter confertim striatd, opacd, superne 

 castaneo et albido variegatd; spird conoided, apice acutiusculd ; 

 anfractibtis 5, convexiuscuUs, ultimo convexiore, dilatato , peripherid 

 subcarinato, basi fasciis angustis castanets ornatd ; umbilico an- 

 gusto, pervia ; aperturd subverticali, fere circulari ; peristomate 

 subsimplice, continuo, breviter adnata, pallide aurantiaco, undique 

 aqualiter angulutim plano-expanso, margine subrevoluto. — Oper- 

 culum ? 



Diam. maj. 30, min. 22, alt. 19 mill. 

 Hab. ? 



5. Cyclostoma unicolor, Pfr. C. testd umbilicatd, globoso. 

 conicd, solidd, longitudinaliter confertissime et regulariter striatd, 

 spiraliter confertim sulcatd, opacd, fulvido-stramined; spird conicd, 

 subtruncatd ; anfractibus 6, convexiusailis, ultima superne et medio 

 acute carinato : carind tertid, validissimd, circa umbilicum angus- 



