A 
expansum, extus et supra dilatatum, ad columellam 
angustissimum, ad anfraetum penultimum subtubulose 
auriculatum; margo superior valde areuatim productus, 
ad insertionem excisus. Operculum subimmersum, ex- 
tus profunde concavum, testaceum, arctispirum, an- 
fractibus rude oblique striatis, intus laeve, circa mar- 
ginem canaliculatum. 
Diam. maj. 19, min. 15, alt. 7, diam apert. int. 6,5 mm. 
Hab. in insulis Philippinarum. 
Obs. Proxima C. variegato, differt auriculo subtubuloso, 
margine supero medio protracto, supra exciso. 
2. Cyelotus Caroli n. sp. 
Testa late et perspectiviter umbilicata, orbicularis, depressa, 
subtilissime striatula, lutescens, supra castaneo fulgu- 
ratim strigata, ad peripheriam indistinete zonata ; spira 
planiuscula, vertice parum prominulo, castaneo, subtili. 
Anfractus 5 convexiusculi, sutura profunda discreti, 
ultimus teres, subdilatatus, antice leniter descendens. 
Apertura fere verticalis, subeircularis; peristoma conti- 
nuum, duplex: internum breviter porrectum, externum 
vix expansum, ad anfractum penultimum vix aurieu- 
latum. — Operculum normale. 
Diam. maj. 18, min. 14, alt 9 mm., diam apert: cum 
perist. 7 mm. 
In montibus »Sierra Bullones« insulae Bohol legit cl. C. 
Semper. 
Habitu €. variegati, differt apertura subverticali, peristomate 
vix auriculato. 
3. Cyelotus latecostatus n. sp. 
Testa aperte umbilicata, irregulariter depresse trochiformis, 
solidula, lineis spiralibus impressis striisque incrementi 
decussata et striis majoribus distantibus subregulariter 
dispositis sculpta, griseo-albida; spira breviter conoidea, 
