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

by G. B. Sowerby

20. S. clathratula, Mont.—S. Brit. and Channel Isls., Mr. Small, white, with thin ribs.

Stylifer.

21. S. Turtoni, Brod.—Phasianella stylifera, Velutina s., S. globosus and astericola.—On spines of Echinus sphæra, Torbay and Berwick, R. Glassy, thin.

Eulima.

22. E. polita, Linn. (Helix.)—Strombiformis, Turbo, Rissoa, and Phasianella p. and albus, Boscii and anglica.—Ireland, S. Brit., E. Scot., N. and S. Eu., 7 to 50 fath., Mr. Rather solid.

23. E. distorta, Deshayes.—Brit. co. gen., Mc.; 12 to 90 fath.; N. and S. Eu. Small, tortuous.

24. E. stenostoma, Jeffreys, Ann. Nat. Hist. 1858.—Zetland and Norway, Rr. Thin, with rapidly increasing whorls.

25. E. subulata, Donov. (Turbo.)—Strombiformis, Helix, and Melania s. and glaber, trifasciatus, Donovani, and lineata.—S. and W. Brit., Ire., Zetland, Medit., 10 to 80 fath., Mr. Whorls deep, banded.

26. E. bilineata, Alder.—Or E. subulata, var.—Northumberland, etc. Whorls more swelled than E. su., two-banded.