CYCLOTUS.— Platf, IV. 



Scarcely distinguishable from C. Lien, and probably a 

 variety of that species. 



Species 21. (Mus. Cuming.) 



Cyclotus subdiscoideus. Ci/cL tedd late profundi 

 mubilicatd, depressd, laded, aurantio-carneo lineald et 

 timid, aiifractibus angmtis, rotnndath, ad sntiiras ex- 

 ccwato-impressls, delude Uris spiralibiis valide funicu- 

 latis, labro calloso-vefexo. 



The slightly-discoid Cyclotus. Shell broadly deeply 

 umbilicated, depressed, cream colour, lineated and 

 tinged with orange-tlesh, whorls narrow, rounded, 

 excavately impressed at the suture, then strongly 

 corded with spiral ridges, lip caUously reflected. 



Cyclostonia subdiscuideum, Sowerby, Thes. Conch, p. 161. 

 pi. 31 B. p. 304, 30.5. 



Hab. ? 



Another characteristic species of the spirally-ridged 

 Eastern type. 



