118 
LEPTOPOMA §.5. 
4‘/-2 convexiusculi, ultimus basi tumidus; apertura parum obli- 
qua, subtetragona , intus coeralescens , margaritacea ; perist. 
simplex, acutum, marginibus remotis, rectis (an serius reflexis ?). 
— Operc. immersum, membranaceum , arctispirum, luteo- 
corneum. — Diam. maj. 14 V 2 , min. 12, alt. 10 mill. Ap. 
verticaliter 87* mill, longa, 7 7 2 lata. (Coll. Nr. 78. An 
adult. ?) 
Cyclostoma Birmanum Pfr. in Chemn. ed. II. Cycl. N. 385. t. 47. 
f. 4—7. 
Leptopoma Birmanum Pfr. Consp. N. 172. p. 58. 
Habitat in imperio Birmano (Th. Philippi). 
205 28. Ii. lialoplailiBin Ben§on. 
T. umbilicata, globoso-conica , tenuis, striatula, parum 
nitida, fulvida, castaneo plerumque anguste fasciata; spira 
conica, acutiuscula ; anfr. 5 rotundati, ultimus non descendens ; 
umbilicus angustus, non pervius ; apertura parum obliqua, sub- 
circularis; perist. simplex, rectum, breviter interruptum, mar- 
gine columellari non reflexo. — Operc. membranaceum, arcti- 
spirum, pallide lutescens. — Diam. maj. 6—7, min. 4 2 / 3 — 6, 
alt. 4-6 mill. (Coll. Nr. 79.) 
Cyclostoma halophilum Bens, in Ann. and Mag. 2d. ser. VII. p. 265. 
— — Chemn . ed. II. N. 220. t. 31. f. 29-31. 
Leptopoma halophilum Pfr. Consp. N. 173. 
Habitat in insula Ceylon; Point de Galle (Benson), Colombo 
(Templeman). 
206 29. Ii.? miniitissimum Sowerby. 
T. obtecte perforata , globoso - conica, tenuis, minutissime 
oblique striata, diaphana, fulvida, albido variegata; spira ele- 
vata, apice acutiuscula, nigrescens; anfr. 37 2 convexi, ultimus 
basi subplanulatus ; apertura lunato-rotundata ; perist. simplex, 
acutum, marginibus disjunctis, columellari in laminam latam, 
reflexam, locum umbilici prorsus tegentem, adnatam dilatato. 
— Operc. tenue, pallide corneum. — Diam. 1, alt. 1 mill. 
(Mus. Cuming, et Anton.) 
Cyclosloma minutissimum Sow. in Proc. Zool. Soc. 1832. p. 32.*) 
— — Muller Synops. p. 37. 
*) T. globoso-pyramidali, fulva, apice nigro ; anfr. 3 rotundatis ; sutura 
profunda ; apertura circulari ; peritremate acuto ; umbilico nullo ; operculo 
corneo. (Sow. 1. c.) 
