116 LEPTOPOMA $. 4. 
200 23. LE. rezuiare E'"fr. 
T. angustissime perforata, conico-globosa, tenuis, liris 
approximatis superne aequalibus sculpta, interstitiis spiraliter 
confertim striata, diaphana, albida, maculis fulvis Hes 
tessellata; spira turbinata, apice acuta, pallide cornea ; anfr. 5'/, 
Os STD HD ultimus. convexior, infra liram periphericam in- 
flatus, obsoletius liratus; apertura obliqua, lunato - circularis ; 
perist. interruptum, tenue, album, breviter patens, margine 
columellari basi subangulatim dilatato. -- Operc.? "Diam. 
102)---12*7; ; amm. «10, ale 10 mill. Ap. 6!'/, mill. pus (Mus. 
Cuming.) 
Cyclostoma vegulare Pfr. in Proc. Zool. Soc. 1851. Jul. 
s — . .Chemn. ed IL. N. 298. t. 40. f..3. 4 
Leptopoma  regulare. Pfr. Consp. N. 168. p. 58. 
Habitat in insulis. Philippinis. 
Obs. Peraffine L. atricapillo Som.: differt spira breviore, liris regu- 
laribus, umbilico angustiore, etc. 
201 241. B,. neumnaimatum Sowerb y. 
T. perforata, turrito-conica, tenuiuscula, oblique striatula, 
diaphana, nitida, albicans; spira elongata, acuminata, apice 
fuscula; anfr. 6'/, convexiusculi , ultimus rotundatus ; infra 
medium carinatus; apertura perobliqua, truncato-ovalis; perist. 
acutum, expansum, marginibus disjunctis, columellari superne 
subdilatato, reflexiusculo, basi angulatim  subincrassato. — 
Operc.? — Diam. maj. 12, min. 10, alt. 13 mill. Ap. 7 mill. 
longa. (Mus. Cuming. et Gruner.) 
Cyclostoma acuminatum Som. in Proc. Zool. Soc. 1843. p. 65. *) 
-—- — Som. 'Thes. N. 133. p. 138. t. 30. f. 235. 
2 — Chemn. ed. lI, N. 104. p. 105. t. 13. f. 11: 12. 
Leptopoma acuminatum | Pfr. in Zeitschr. f. Mal. 1847. p. 108. Consp. 
N. 169. 
— -— Gray Catal. Cycloph. p. 27. N. 18. 
Habitat S. Juan insulae Luzon (H. Cuming). 
*) T. subglobosa, pyramidali, tenui; laevi, pellucida, albicante, spira 
acuminata, apice acutiusculo, fuscescente; anfr. 6 rotundatis, substriatis, 
ultimo magno, carina ad peripheriam obsoletiuscula munito , ante carinam 
planulatiusculo; apertura subcireulari, postice subacuminata; peritremate 
tenui, reflexo, ad ultimum anfractum interrupto, latere umbilicali subsinuato ; 
umbilico parvo. (Sow. l. c.) 
