Be ‘qs? 
244 
rotundatd, intus albd ; peristomate incrassato, marginibus remotis, 
callo junctis, basali reflexo, columellari subito arcuatim ascendente. 
—Operculum ? 
Diam. maj. 10, min. 83, alt. 53 mill. 
Hab. Socotra. 
10. CycLosroma MARGARITA, Pfr. C. testd perforatd, globoso- 
conicd, soliduld, levigatd, nitiduld, rubello-succined ; spird conicd, 
apice acutiusculd, sanguined ; anfractibus 5, convexiusculis, 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. CycLtosroma (LEpTOPOMA) LATELIMBATUM, Pfr. C. testd 
perforata, globoso-conicd, tenui, minute spiraliter striata et lineis 
obtusis elevatis, subequidistantibus cinctd, diaphand, parum nitidd, 
albd, maculis et fasciis pallidé fulvis variegatd ; spird turbinatd, 
acutiusculd ; anfractibus 5, conveziusculis, ultimo rotundato, medio 
lined acute elevatd subcarinato; umbilico angusto, viv pervio ; 
aperturd obliqud, subcirculari ; peristomate duplice, albo : interno 
interrupto, breviter porrecto, marginibus callo tenui junctis, ex- 
terno undique equaliter dilatato, angulatim patente, supra perfo- 
rationem exciso.—-Operculum? 
Diam. maj. 17, min. 13, alt. 1] mill. 
Hab. in insulis Philippinis. 
12. CycLostoma (LEPTOPOMA) REGULARE, Pfr. C. testd an- 
gustissime perforatd, conicd, globosd, tenui, lineis approximatis 
superne equalibus sculptd, interstitiis spiraliter confertim striatd, 
diaphand, albidd, maculis fulvidis regulariter tessellatd ; spird 
turbinatd, apice acutd, pallide corned, anfractibus 53, convexius- 
culis, ultimo convexiore, infra liram periphericam inflato, obso- 
letius lirato ; apertura obliqud, lunato-circulari ; peristomate inter- 
rupto, tenui, albo, breviter patente, margine columellari basi sub- 
angulatim dilatato. Operculum? 
Diam. maj. 123, min. 10, alt. 10 mill. 
13. CycLtosroma (LerToroma) seRiIcaTuM, Pfr. C. testd per- 
foratd, globoso-conicd, tenui, pellucidd, sericed, lineis obliquis, 
subdistantibus sculptd, superné 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 fascid 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? 
Diam. maj. 12, min. vix 10, alt. 9 mill. 
Hab. in insula Borneo (Taylor). 
