2 “ DR, DOHRN ON NEW LAND SHELLS. [June 10 
2, LePpTOPOMA MATHILD&. 
Testa anguste umbilicata, globoso-conica, tenuis, sericata, spira- 
liter confertim tenuistriata, lineis subelevatis 6—7 distantibus 
cincta, albido-hyalina vel cornea, intus interdum late fusco 
fasciata, pone aperturam late transverse fusco zonata, pellu- 
cida ; spira conica, apice nigro vel corneo ; anfr. 5, convexi, 
ultimus magnus, infra medium plerumque albido fasciatus, ob- 
soletius sculptus; apertura obliqua, circularis ; peristomium 
undique equaliter angulatim reflecum et expansum, marginibus 
callo angusto crassiusculo junctis. 
Diam. maj. 14, min. 11, alt. 94; ap. diam. 6 mill. 
Hab. In Zamboanga insulze Mindanao, unde misit Dr. C. Semper. 
3. LEPTOPOMA PFEIFFERI. 
Testa perforata, turbinato-conica, tenuiuscula, subtiliter et con- 
Sertim spiraliter striata, alba, strigis irregularibus cerulescenti- 
corneis ornata ; spira conica, acutiuscula ; anfr. 6, convewius- 
culi, ultimus inflatior, medio obtuse angulatus ; apertura ovalis 
rotundata ; peristomium undique expansum, marginibus callo 
tenut junctis, columellari arcuato, basin versus angulum for- 
mante. Operc. normale. 
Diam. maj. 18, min. 14, alt. 134; ap. long. 10, lat. 7} mill. 
Hab. In insula Camiguin (Coll. Semper.). 
4. LerpTOPOMA TROCHUS. 
Testa angustissime perforata, trochiformis, tenuis, pellucida, spi- 
raliter confertissime tenuistriata, obsolete 5-sulcata, hyalina, 
pallide virente maculata, fasctis albidis cincta ; spira turbinata, 
apice acuto; anfr. 54, subplani, ultimus medio acutissime et 
compresse carinatus, bast vie convexior ; apertura obliqua, sub- 
rhombea ; peristomium duplex, externum breviter reflecum, in- 
crassatum, umbilici 2 tegens, marginibus callo tenui junctis, 
internum continuum, rectum; faux late piceo transverse fasciata. 
Opere. ? 
Diam. maj. 15, min. 13, alt. 14; ap. intus long. 6, lat. 7 mill. 
Hab. In Maligi insule Mindanao (Coll. Semper.). 
5, LEPTOPOMA CAROLI. 
Testa perforata, turrito-conica, tenuiuscula, oblique striatula, 
spiraliter confertim capillaceo striata, nitida, albida; spira 
elongata, apice obtusiusculo ; anfr. 6-61, vix convexiusculi, ulti- 
mus infra medium angulatus, subtus paullo convexior, apertura 
perobliqua, bast protracta, subeffusa, oblonga; peristomium 
expansum, marginibus callo tenui junctis, columellari superne 
dilatato, reflexo, perforationem fere tegente, basi subangulato. 
Opere. normale. 
Diam. maj. 13, min. 11, alt. 17; ap. long. 8 mill. 
Hab. In provincia Nueva Ecija insule Luzon, ubi legit Dr. Caro- 
lus Semper. 
