182 DR. DOHEN ON NEW LAND SHELLS. [June 10 



2. LePTOPOMA MATHILDA. 



Testa anguste umhilicata, glohoso-conica, tenuis, sericata, spira- 

 liter confertim tenuistriata, lineis subelevatis Q—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 cequaliter angulatim reflexum et expansum, marginibus 

 callo angusto crassiusculo junctis. 



Diam. maj. 14, min. 11, alt. 9\; ap. diam. 6 mill. 



Hub. In Zamboanga insulse Mindanao, unde misit Br. C. Semper. 



3. LePTOPOMA PFEIFFEKI. 



Testa perforata, turbinato-conica, tenuiuscula, subtiliter et con- 

 fertim spiraliter striata, alba, strigis irregularibus ccerulescenti- 

 corneis ornata ; spira conica, acutiuscula ; anfr. 6, convexius- 

 culi, ultimus inflatior, medio obtuse angulatus ; apertura ovalis 

 rotundata ; peristomium undique expansum, marginibus callo 

 tenui junctis, columellari arcuato, basin versus angulum for- 

 mante. Operc. normale. 



Diam. maj. 18, min. 14, alt. 13|^; ap. long. 10, lat. 7i mill. 



Hab. In insula Camiguin (JJoll. Semper.). 



4. LePTOPOMA TROCHUS. 



Testa angustissime perforata, trochiformis, tenuis, pellucida, spi- 

 raliter confertissime tenuistriata, obsolete 5-sulcata, hyalina, 

 pallide virente maculata,fasciis albidis cincta ; spira turbinata, 

 apice acuto ; anfr. 5-|-, subplani, ultimus medio acutissime et 

 compresse carinatus, basi vix convexior ; apertura obliqua, sub- 

 rhombea ; peristomium duplex, externum breviter reflexum, in- 

 crassatum, umbilici \ tegens, marginibus callo tenui junctis, 

 internum continuum, rectum; faux latepiceo transverse fasciata. 

 Operc. ? 



Diam. maj. 15, min. 13, alt. 14 ; ap. intus long. %\, lat. 7 mill. 



Hab. In Maligi insulsB Mindanao {Coll. Semper.). 



5. LePTOPOMA CAROLI. 



Testa perforata, turrito-conica, tenuiuscula, oblique striatula, 

 spiraliter confertim capillaceo striata, nitida, alhida ; spira 

 elongata, apice obtusiusculo ; anfr. &-Q\, vix convexiusculi, ulti- 

 mus infra medium angulatus, subtus paullo convexior, apertura 

 perobliqua, basi protracta, subeffusa, oblonga; peristomium 

 expansum, marginibus callo tenui junctis, columellari superne 

 dilatato, reflexo, perforationem fere tegente, basi subangulato. 

 Operc. normale. 



Diam. maj. 13, min. 11, alt. 17 ; ap. long. 8 mill. 



Hab. In provincia Nueva Ecija insulse Luzon, ubi legit Br. Caro- 

 lus Semper. 



