LEPTOPOMA §. 3. 4. 
75 
albida ; spira conica, acuta, anfr. 6 convexiusculi, ultimus pe- 
ripheria carinatus, basi inflatus ; apertura subacuminato-ovalis ; 
perist. breviter expansum , margine columellari ad umbilicum 
et ad anfractum penultimum excise. - Operc. normale. 
Diam. maj. 14, min. 11 mill. (Ex ic.) 
Cyclostoma pellucida Hombr. et Jacq. Voy. Pol Sud. Zool. V. p. 51. 
t. 12. f. 29-33. Nec Grat. 
Habitat in insulis Salomonis. 
* 
27 . ctlfiatuiii Sow. (Gray Phan. p. 78. — Ad. Gen. 
p. Mon ‘ P* 112< 
28 . ciBlferum Mohss. + (Gray Phan. p. 79. — 
Ad. Gen. p. 281.) - - 1,2 
29. Ii. barbatum Pffr 
T. umbilicata, depresso-turbinata , tenuis, acute carinata, 
gub epidermide arcuato-striata fulvo et castaneo variegata , 
spira turbinata, apice acuta; anfr. 5 convexiusculi, superne 
liris 3 — 4 prope carinam muniti, ultimus ad. cannam pihs 
squamosis barbatus, basi convexior, liris 2 distantibus non- 
nullisque obsoletioribus subangulatus; umbilicus mediocns, 
conicus; apertura fere diagonalis, subcircularis ; perist. duplex : 
internum continuum, expansiusculum, ad anfractum penultimum 
subsinuatum, externum breviter patens et reflexiusculum , su- 
perne subdilatatum. — Operc, membranaceum, corneum. 
Diam. maj. 13, min. 11, alt. 6Va mill. Ap. 5*/* mill, longa 
et lata. (Mus. Cuming.) 
Cyclostoma barbaium (Leptopoma) Pfr. in Proc. Zool. Soc. 1855. p. 104. 
0. Testa majore, paulo depression, anfr. 5, umbilico paulo latiore; diam. 
maj. 18, min. 14% alt. 8 % mill. 
/5. Testa minore, anfr. 5, liris basalibns distinctioribus ; diam. maj. U, 
min. 9, alt. 6 mill. 
Habitat in insula Borneo, Sarawak. 
§. 4. 
30. imdatiim Iffletc. (Proc. 1851. p. 71. — Gray 
Phan. p. 79. — Ad. Gen. p. 281. — Operc. mem- 
branaceum, pallidissime corneum, planum. — /?• Te- 
sta majore, anfr. 67s » ultimo antice subgibbo ; diam. 
maj. 21, min. 18, alt. 16 mill. Ap. intus 10 mill, 
longa, 9 1 /* lata.) 
P- 
113. 
