Zoological Society. 453 



interjacentibus obsoletis sculptd, sub epidermide decidud, . . . . at- 

 bidd; spird turbinatd, superne rufd, acutiusculd ; anfractibus 5, 

 convex'msculis, ultimo ventroso, circa umbilicum angustum, infun- 

 dibuliformem vix compresso ; aperturd subverticali, circulari ; 

 peristomate simplice, continuo, breviter adnata, fusco-igneo, sub- 

 incrassato, breviter expanse, superne subangulato. — Operculum 1 



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



Hab. in Himalaya. 



2. Cyclostoma euchiltjm, Pfr. C. testd umbilicatd, turbinato- 

 subglobosd, soliduld, oblique confertim striatd, lineis impressis 

 distantioribus obsolete clathratuld, albidd, violaceo-fusco etfulvo 

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

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

 subdepresso, medio albo-fasciato, basi confertim et valide spiraii- 

 ter sulcato ; umbilico mediocri, infundibuliformi; aperturd vix 

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

 peristomate subcontinuo, alba, marginibus superne dilatatis, callo 

 subemarginato junctis, dextro et basali latissimis, fornicatim revo- 

 lutis, sinistra angustato, vix reflexa. — Operculum! 



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

 Hab. Madagascar. 



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

 glabosd, crassd, striatd et minute malleatd, rubello-fulvd, fasciis 

 et lineis interruptis castaneis ornatd; spird turbinatd, obtusiuS' 

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

 carind funiformi etfascid latiare nigricante circumdato, basi sub- 

 planulato, circa umbilicum angustum, infundibuliformem subcom- 

 pressa ; aperturd obliqud, subangulata-rotundd, intus rubelld; 

 peristomate duplice : interna continuo, externa crassa, expanso, 

 ad anfractum penultimum breviter interrupto. — Operculum ? 



Diam. maj. 27, miu. 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, superni 

 castaneo et albida variegatd; spird canoided, apice acutiusculd; 

 anfractibus 5, convexiusculis, ultima convexiore, dilatato,peripherid 

 subcarinata, basi fasciis angustis castaneis ornatd; umbilico an- 

 gusto, pervio ; aperturd subverticali, fere circulari ; peristomate 

 subsimplice, continuo, breviter adnata, pallide aurantiaca, undique 

 eequaliter angulatim plana-expansa, margine subrevaluto. — Oper- 

 culum ? 



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

 Hab. ? 



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

 conicd, solidd, langitudinaliter confertissime et regulariter striatd, 

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

 subtruncatd; anfractibus 6, convexiusculis, ultimo supemi et medio 

 acuti carinafo : carind tertid, validissimd, circa umbilicum angus- 



