Illustrated Index of British Shells / Containing figures of all the recent species

by G. B. Sowerby

04. R. Barleei, Jeffreys.—R. ulvæ var.—Loch Carron, Skye, R.

05. R. striatula, Mont.—R., Turbo, Cingula, and Littorina carinata and monilis.—Devon, Margate, Galway, Herm, etc., 0 to 7 fath., Mr.; S. Eu. Carinated.

06. R. cimicoides, Forbes.—R. sculpta.—W. Scotland. Like R. zetlandica, but with outer lip crenulated; finely decussated.

07. R. zetlandica, Mont. (Turbo.)—R., Cyclostoma, Cingula scalariformis, Cyclostrema z.—N. Scotland, 0 to 60 fath., Mc. Whorls angulated.

08. R. crenulata, Michaud.—Turbo and R. cimex and cancellatus.—Falmouth, Cornwall, Skye, Galway, C. Very coarsely cancellated.

09. R. calathus.—Forbes and Hanley.—Sheerness, Whitesand Bay, 15 to 50 fath., R. Finely cancellated.

10. R. Beanii, Hanley.—Cornwall, Plymouth, Orkney, Galway, C.; N. Eu. Striated.

11. R. abyssicola, Forbes.—N. Scotland; deep water, R.

12. R. lactea, Michaud.—Turbo cancellatus.—Jersey and Medit., Rr. Oval, plicated and striated.

13. R. punctura, Montagu.—Turbo and Cingula and R. reticulata.—Brit. co. generally, 10 to 20 fath.