Fig. 



15. C. PULCHELLA, Jeffrei/s. — Falmouth, Plymouthj Guernsey, R. 



Closely wliorled and cancellated. 



SCALAEIA. 



16. S. COMMUNIS, Lamk. — Turbo and Stromhiformis clatkrus and clatk^ 



raius.^-S. co. principally, C. Laminarian zone, S. Eu. Ridges 

 raised; whorls separated. 



17. S. GRCENLANDiCA, Chemii. {Turho.)—^S.planicostata,suiulata. — Frag- 



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



18. S. TuRTONis, y?<;-fo«.— 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 So. Turtonis. 



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



white, with thin ribs. 



Stylifer. 



21. S. TuRToNi, Brod. — Pkasianella sti/Ufera, Velutina s., S. ghlosus 



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

 wick, R. Glassy, thin. 



EULIMA. 



22. E. POLITA, Linn. {Helix.) — StromMformis, Turbo, Rissoa, and Pha- 



sianella -p. and albus, Boscii and anglica. — Ireland, S. Brit., E. 

 Scot., N. and S. Eu., 7 to 50 fath., Mr. Rather soUd. 



23. E. DiSTORTA, Beshayes. — Brit. co. gen., Mc; 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 (jlaljer, trifasciatus, Bonovani, and lineata. — S. and W. 

 Brit., Ire., Zetland, Medit., 10 to 80 fath., Mr. Whorls deep, 

 banded. 



26. E. BiLi.vEATA, Alder. — Or E. subulata, var. — Northumberland, etc. 



Whorls more swelled than E. su., two-banded. 



