Fig. 



15. C. pulchella, Jeffreys. — Falmouth, Plymouth, Guernsey, R, 



Closely whorled and cancellated. 



Scalaria. 



16. S. communis, Lamk. — Turbo and Strombiformis clathrus and clatk* 



ratus. — S. co. principally, C. Laminarian zone, 8. Eu. Ridges 

 raised; whorls separated. 



17. S. GRfENLANDiCA, Chemn. {Turbo.) — S. planicostata,subulata.—¥ra,g* 



ments only, N. Scotland, N. Eu. Grooved between ridges. 



18. S. Turtonis, Turton. — Scarborough, Exmouth, Cork, etc., N. and 



S. Eu., R. as Brit. Ridges flat. 



19. S. Trevelyana, Leach.— -N. Brit., 15 to 85 fath., Mr. Thin, with 



ribs narrower than Sc. Turtonis. 



20. S. clathratula, Mont. — S. Brit, and Channel Isls., Mr. Small, 



white, with thin ribs. 



Stylieer. 



21 . S. Turtoni, Brod. — Pkasianella stylifera, Velutina s., S. globosus 



and astericola. — On spines of Echinus sphcera, Torbay and Ber- 

 wick, R. Glassy, thin. 



Eulima. 



22. E. polita, Linn. [Helix.) — Strombiformis, Turbo, Rissoa, and Vlia- 



sianella 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, Beshayes. — Brit. co. gen., Ma; 12 to 90 fath.; N. and 



S. Eu. Small, tortuous. 



24. E. stenostoma, Jeffreys, Ann. Nat. Hist. 1858. — Zetland and Nor- 



way, Rr. Thin, with rapidly increasing whorls. 



25. E. subulata, Bonov. [Turbo.) — Strombiformis, Helix, and Melania 



s. and glaber, trifasciatus, Bonovani, 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-bauded. 



