CYCLOSTREMA. <)."> 



Unfigured species, described as Cyclostrem<i. 



C. FLITCTUATA, Huttoii. = Turbinidce. 



C. IMMACULATA, and C. SPINOSA, Tenison- Woods. Tasmania. 



C. MODKSTA, Gould. Hong Kong. 



This has been referred to C. micans, A. Ad. but the description 

 does not agree. 



C. PENTEGOXIOSTOMA, Carpenter. Red Sea. 



C. CARBOXXIERI, Jousseaume. Aden. 



C. HARRIETTS, and C. MICRA, Petterd. Tasmania. 



C. JOHXSTOXI and C. BRUXNIEXSIS, Beddome, Tasmania. 



C. CONSPICUA, and C. DEPRESSA, Monts. Mediterranean. 



Section TUBIOLA, A. Ad. 1864. 



C. CORXUELLA, A. Ad. PI. 33, fig. 14, 15. 



Widely umbilicated, depressed turbinate, smooth, spire somewhat 

 elevated, whorls rounded, rapidly increasing, the last large, aperture 

 rounded. Diam. 2 mill. Japan. 



Is possibly a Skenea. 



C. JOSEPHI, Tenison- Woods. PL 33, fig. 9. 



Widely umbilicated, obliquely turbinate, thick, white, opaque, 

 maculated with very pale chestnut; whorls 5, rounded, closely 

 spirally striate ; peristome thick, posteriorly produced. 



Diam. 3 mill. Tasmania.. 



C. SUSONIS, Tenison-Woods. PL 33, fig. 10. 



Widely umbilicated, depressed, translucent white, polished, spire 

 slightly exserted, whorls 4, rounded, aperture simple, orbicular. 



Diam. To mill. N. coast of Tasmania. 



('. WELDII, Tenison-Woods. PL 33, fig. 11. 



Moderately umbilicated, umbilicus margined, depressed turbinate, 

 somewhat translucent, thin, shining, smooth, with faint growth strise, 

 whitish; whorls 6, depressed convex; aperture rounded, everted 

 posteriorly. Diam. 2 mill. 



Long Bay, Tasmania. 



C. MICRA, Tenison-Woods. PL 33, fig. 13. 



Perspectively umbilicated, turbinate, minute, polished, white; 

 whorls 5, rounded, with deep suture ; peristome simple, acute. 



Diain. 1/5 mill. Long Bay, Tasmania.. 



