CYCLOSTREMA. 95' 



Unfigured species, described as Cyclostrema. 



C. FLUCTUATA, Huttoii. = TurbinidcB. 



C. IMMACULATA, aud C. SPINOSA, Teiiison-AVoods. Tasmania. 



C. MODESTA, Gould. Hong Kong.. 



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

 does not agree. 



C. PENTEGONiosTOMA, Carpenter. Red Sea. 



C. Carbonnieri, Jousseaume. Aden. 



C. Harriett.^;, and C. micra, Petterd. Tasmania. 



C. JoHNSTONi and C. Brunxiensis, Beddonie, Tasmania. 



C. CONSPICUA, and C. depressa, Monts. Mediterranean. 



Section Tubiola, A. Ad. 1864. 



C. coRNUELLA, A. Ad. PL 33, fig. 14, 15. 



Widely unibilicated, depressed turbinate, smooth, spire somewhat 

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

 rounded. Diam. 2 mill. Jajxin. 



Is possibly a Skeuea. 



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



Widely unibilicated, 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. 8USONIS, Tenison-Woods. PL 33, fig. 10. 



Widely unibilicated, depressed, translucent white, polished, spire 

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



Diam. 1'5 mill. N. coast of Tasmania. 



C. Weldii, Tenison- Woods. PL 33, fig. 11. 



Moderately unibilicated, umbilicus margined, depressed turbinate, 

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

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

 posteriorly. Diam. 2 mill. 



Long Bay, Tasmania. 



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



Perspectively unibilicated, turbinate, minute, polished, white; 

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



Diam. 1"5 mill. Long Bay, Tasmania. 



