LEPTOPOMA §.1.2. 
105 
conica, acuta; anfr. 5 convexi, ultimus ventrosus; apertura 
obliqua, subcircularis ; perist. angulatim reflexum, patens, 
aurantiacum, marginibus approximatis, callo tenui junctis, colu- 
mellari subangulatim clilatato. — Operc. normale. — Diam. 
mai. 10, min. 8, alt. 8 mill. Ap. intus 5V<* mill. diam. 
(Coll. Nr. 67.) 
Cyclostoma luteostoma Sow . in Proc. Zool. Soc. 1843. p. 62. *) 
— — Sow. Thes. N. 125. p. 135. t. 30. f. 228. 229. 
— luteostomum Chcmn. ed. II. N. 93. p. 96. t. 12. f. 21—23. 
Leptopoma luteostoma Pfr. in Zeitschr. f. Mai. 1847. p. 108. Consp. 
N. 151.. 
— Gray Catal. Cycloph, p. 24. N. 5. 
Habitat in insula Guimaras Philippinarum (H. Cuming). 
§• 2 . 
7. Ii. iaiimaculatum (Turbo) Chemnitz. 184 
T. perforata, globoso-conica, tenuis, concentrice confer- 
tissime lineata, diaphana, albida, saepe castaneo punctata et 
strigato-maculata ; spira conica, acuta ; anfr. 5 1 / 2 convexi, ujti- 
mus superne carinis nonnullis obsoletis, ad peripheriam carina 
1 validiore munitus, basi convexus ; apertura vix obliqua, sub- 
circularis; perist. tenue, undique late expansum, marginibus 
disjunctis, columellari medio dilatato, umbilicum angustissimum, 
haud pervium non occultante. — Operc. normale. — Diam. 
maj. 17, min. 14, alt. 12 mill. Ap. intus 9 mill, longa. 
(Coll. Nr. 68.) 
Turbo immaculatus Chcmn. Conch. IX. P. II. p. 57. t. 123. f. 1063. **) 
— marginellus Gmel. Syst. p. 3602. N. 102. 
— lacvis Wood Suppl. t. 6. f. 5. 
Cy clo stoma lacve Gray in Wood suppl p. 36. 
— — Sow. in Proc. Zool. Soc. 1843. p. 63. 
*) T. globoso-conica, tenui, pellucida, albida, epidermide tenui, cornea 
induta ; spira acuminata; anfr. 5 rotundatis, ultimo magno, ventricoso ; aper- 
tura subcirculari ; peritremate reflexo , aurantiaco, latere columellari sub- 
sinuato , prope ultimum anfractum interrupto ; sutura distincta ; umbilico 
parvo; operculo tenui, corneo, multispirali. (Sow. 1. c.) 
**) Turbo immaculatus pellucidus, testa terrestri, laevi, umbilicata, can- 
did issima, subcarinata, anfractibus 6 rotundatis, labro fimbriato, reflexo, 
apertura rotunda. (Chemn. 1. c.) 
