118 LEPTOPOMA $.5 
4'/, convexiusculi, ultimus basi tumidus; apertura parum obli- 
qua , subtetragona,, intus coerulescens, margaritacea ; perist. 
simplex, acutum, marginibus remotis, rectis (an serius reflexis ?). 
—  Operc. immersum, membranaceum , arctispirum,, luteo- 
corneum. — Diam. maj. 14'/, min. 12, alt. 10 mill. Ap. 
verticaliter 8!/, mill longa, 7'/, lata. (Coll. Nr. 78. An 
adult. ?) 
Cyclostoma  Birmanum | Pfr. in. Chemn. ed. II. Cycl. N. 385, t. 47. 
f. 4—'. 
Leptopoma  Birmanum Pfr. Consp. N. 172. p. 58. 
Habitat in imperio DBirmano (Th. Philippi). 
205 98. WW, halophilumn» Hensom. 
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. — Opere. membranaceum, arcti- 
spirum, pallide lutescens. — Diam. maj. 6 —7, min. 4?/,—0, 
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. 
IIabitat in insula. Ceylon; Point de Galle (Benson), Colombo 
(Templeman). 
206 29. E,..? maiüimutissimum Sowerby. 
T. obtecte perforata, eloboso- conica, tenuis, minutissime 
oblique striata, diaphana,. fülvida, albido variegata ; spira ele- 
vata, apice acutiusculá, nigrescens; anfr. 3'/, convexi, ultimus 
basi subplanulatus ; apertura lunato- rotundata ; perist. simplex, 
aeutum , marginibus disjunetis, columellari in laminam latam, 
reflexam , locum umbilici prorsus tegentem , adnatam dilatato. 
Opere. tenue, pallide corneum. — Diam. 1, alt. 1 mill. 
(Mus. Cuming. et Anton.) 
Cyclosloma minutissimum Som. in Proc. Zool. Soc. 1832. p. 32, *) 
E - Müller Synops. p. 37. 
*) T. globoso-pyramidali, fulva, apice nigro; anfr. 3 rotundatis; sutura 
profunda; apertura cireulari; peritremate aeuto; umbilico nullo; operculo 
comeo. (Sow. l. c.) 
