244 



rotundatd, intus albd ; peristomate incrassato, marginihus remotis, 

 callo junctis, hasali reflexo, columellari subito arcuatim ascendente. 

 — Operculum 1 



Diatn. maj. 10, min. 8^, alt. 5^ mill. 



Hab. Socotra. 



10. Cyclostoma MARGARITA, Pfr. C. testd perforatd, globoso- 

 conicd, soliduld, lavigatd, nitiduld, rubella -succined ; spird conicd, 

 apice acutiusculd, sanguined; anfractibus 5, convexiuscuUs , ultimo 

 subrotundato ; aperturd parum obliqud, ovali ; peristomate inter - 

 rupto, simplice, recto, margine columellari perarcuato, subincras- 

 sato. — Operculum ? 



Diam. maj. 7, min. 6, alt. 6 mill. 

 Hab. in insula Rapa Oceani pacifici. 



11. Cyclostoma (Leptopoma) latelimbatum, Pfr. C. testd 

 jierforatd, globoso-conicd, tenui, minute spiraliter striatd et lineis 

 obtusis elevatis, subcequidistantibus cinctd, diaphand, parum nitidd, 

 albd, maculis et fasciis pallid e fulvis variegatd; spird turbinatd, 

 acutiusculd ; anfractibus 5, convexiuscuUs, ultimo rotundato, medio 

 lined acute elevatd subcurinato ; umbilico angusto, vix pervio ; 

 aperturd obliqud, subcirculari ; peristomate duplice, albo : inter no 

 interrupto, breviter porrecto, marginibus callo tenui junctis, ex- 

 terno undique cequaliter dilatato, angulatim patente, supra perfo- 

 rationem exciso. — Operculum 1 



Diam. maj. 17, min. 13, alt. 11 mill. 

 Hab. in insulis Philippinis. 



12. Cyclostoma (Leptopoma) regulare, Pfr. C. testd an- 

 gustissime perforatd, conicd, globosd, tenui, lineis approximatis 

 superne aqualibus sculptd, interstitiis spiraliter confertim striatd, 

 diaphand, albidd, maculis fulvidis regulariter tessellatd ; spird 

 turbinatd, apice acutd, pallide corned, anfractibus 5\, convexius- 

 cuUs, ultimo convexiore, infra liram periphericam inflato, obso- 

 letius lirato ; aperturd obliqud, lunato-circulari ; peristomate inter- 

 rupto, tenui, albo, breviter patente, margine columellari bast sub- 

 angulatim dilatato. Operculum ? 



Diam. maj. \2\, min. 10, alt. 10 mill. 



13. Cyclostoma (Leptopoma) sericatum, Pfr. C. testd per- 

 foratd, globoso-conicd, tenui, pellucidd, sericed, lineis obliquis, 

 subdistantibus sculptd, superne lineis 4-5 elevatis, spiralibus 

 munitd, hyalino-albidd, liris corneis {vel undique violacescenti- 

 fulvd, basi pallidiore); spird turbinatd, acutd, apice nigricante ; 

 anfractibus 5, superis parum convexis, ultimo inflato, subcarinato, 

 infra carinam fascia unicd castaned ornato, basi liris spiralibus non- 

 nullis obsoletioribus sculpto ; umbilico angustissimo, non pervio ; 

 aperturd parum obliqud, subemarginato-circulari ; peristomate 

 simplice, interrupto, tenui, horizontaliter patente, margine colu- 

 mellari medio sublingulatim dilatato. — Operculum 1 



Diam. maj. 12, min. vix 10, alt. 9 mill. 

 Hab. in insula Borneo (Taylor). 



