ua — 
submucronata. Anfractus 4!), convexi, sutura profunda 
discreti, ultimus teres, antice valde deflexus, demum 
solutus. Apertura parum obliqua, circularis; peristoma 
continuum, simplex, vix incrassatum. — Operculum 
normale, aritispirum, terminale. 
Diam. maj. 14, min. 12, alt. 11 mm, diam. apert. vix 
6 mm. 
Prope Pulo-tata insulae Zamboangae leg. cl. C. Semper. 
4. Cyclophorus Semperi n. sp. 
Testa mediocriter umbilicata, depresse globuloidea, tenui- 
cula sed solida, pellucens, nitens, striatula, sub lente 
strüs spiralibus tenuissimis, in anfractu ultimo liris 
nonnullis majoribus sculpta, unicolor luteo-brunnea, in 
anfractu ultimo tantum fasciis alboarticulatis ornata; 
spira depresse trochiformis, vertice subtili, prominulo. 
Anfractus 5 convexi, ultimus subangulatus, ad angulum 
nec non ad suturam fascia angusta albo et castaneo 
articulata ornatus, circa umbilicum pallidior, ad aper- 
turam leviter descendens. Apertura subobliqua, sub- 
eircularis; peristoma haud continuum, callo tenui junc- 
tum, duplex: internum brevissime productum, externum 
vix incrassatum. Operculum — ? 
Diam. maj. 20,5, min. 16,5, alt. 16 mm. 
Spec. unicum in insula Zebu leg. cl. C. Semper. 
5. Cyclophorus trochiformis n. sp. 
Testa parva, mediocriter sed pervie umbilicata, depresse 
trochiformis, solidula, supra liris 3 in anfractibus spirae 
sculpta, fulvida, castaneo indistincte maculata, spira 
conoidea, vertice subtili. Anfractus 5V. convexiusculi, 
ultimus angulatus, ad angulum acute carinatus, inferne 
convexiusculus, undigque spiraliter sulcatus, rectan- 
gulatim in umbilicum abiens. Apertura subobliqua, 
subeircularis, extus angulata; peristoma simplex, leviter 
