- 50 — 



expansum, extus et supra dilatatiim, ad coliunellam 

 angustissimiiiTi, ad anfractum penultiraum subtubulose 

 auriculatum ; margo siiperior valde arcuatim productus, 

 ad insertionem excisus. Operculura subimmersum, ex- 

 tus profunde concavum, testaceum , arctispirum , an- 

 fractibus rüde oblique striatis, intus laeve, circa mar- 

 ginem canaliculatum. 



Diam. maj. 19, min. 15, alt. 7, diam apert. int. 6,5 mra. 



Hab. in insulis Philippinarum. 



Obs. Proxima C. variegato, differt auriculo subtubuloso, 

 margine supero medio protracto, supra exciso. 



2. Cyclotus Caroli n. sp. 



Testa late et perspectiviter umbilicata, orbicularis, depressa, 

 subtilissime striatula, lutescens, supra castaneo fulgu- 

 ratim strigata, ad peripheriam indistincte zonata ; spira 

 planiuscula, vertice parura promin ulo, castaneo, subtili. 

 Anfractus 5 convexiusculi , sutura profunda discreti, 

 ultimus teres, subdilatatus , antice leniter descendens. 

 Apertura fere verticalis, subcircularis ; peristoma conti- 

 nuum, duplex: internum breviter porrectum, externum 

 vix expansum, ad anfractum penultimum vix auricu- 

 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 C. variegati, differt apertura subverticali, peristomate 

 vix auriculato. 



3. Cyclotus 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, 



