90 CATAULUS §. 2. 



12. e. diiplicatusi Pfr. 



T. subperforata , fusiformi-ovata , solida, striata striisque 

 spiralibus obsolete decussata, virescenti-fusca, pallide nebulosa ; 

 spira curvilinearis, elongata , apice acutiuscula; sutura levis, 

 marginata; anfr. 71/2 vix convexiusculi, ultimus attenuatus, 

 antice subascendens ; carina basalis compressa, antrorsum vix 

 dilatata; apertura circularis, basi axin vix excedens; perist. 

 aurantiacum, duplex : internum breviter porrectum , basi pro- 

 funde incisum, externum rectangule patens, basi ad canalem 

 angustum vix protractum. — Ojjerc. norm. — Long. 18, diam. 

 medio 7 mill. Ap. c. perist. 61/3 mill. longa, 5 lata. (Mus. 

 Cuming.) 



Cnlmilus dupUcnlus Pfr. in Proc. Zool. Soc. 1854. p. 303. 



Habitat in insula Ceylon (Thwaites). 



13. C ninrjsiitatiisn Pfr. 



T. vix perforata, fusiforini-turrita, solida, subarcuatim co- 

 stulato-striata , opaca, fusco-lihicea , strigis angulosis albidis 

 marmorata; spira subcurvilinearis, turrita, apice obtusa ; sutura 

 levis, filomarginata ; anfr. 8 plsiniusculi, ultimus vix attenuatus; 

 carina basalis alba, compressa, antrorsum subdilatata ; apertura 

 verticalis, subovalis; perist. album, duplex : internum basi pro- 

 funde incisum, externum patens, ad canalem mediocrem re- 

 tractum, — Operc. norm. — Long. 16, diam. 5^/^ mill. Ap. 

 intus 4 mill. longa, S*/^ lata. (Mus. Cuming.) 



Cataiilus marfjmalus Pfr. in Proc. Zool. Soc. 1853. p. 52. 

 _ __ l>fr. in Malak. Bl. 1854. p. 90. 



Tortulosa marginala H. et A- Adams Gen. rec. Moll. 11. p. 285. 

 Habitat in insula Ceylon. 



XII. Rhaphaulus Pfr. 



Operculum tenuissimum, corneum, subangustispirum , ex- 

 tus concaviusculuni. — Testa umbilicata, pupinaeformis; aper- 

 tura circularis; perist. subduplex: internum continuum, exter- 

 num dilatatum , ad insertionem marginis dextri canali aperto 

 perforatum, canali suturali interno profunde in caverna spirae 

 desinente, utrinque pervio. 



