Fig. 



20. It. rufilabrum, Leach. — 72. and C, hyalina and punctata. — Devon, 



Belfast, etc., Mc. 



21. It. labiosa, Mont. {Helix.) — T. } C, and R. membranacea and cos- 



tata. — Brit. co. generally, C. 



22. 23, 24, R. inconspicua, Alder.~*~U. albula a*nd supra-costata, var. 



f. 23, R. similis, var. 24, R. maculata. — Brit. co. generally, C. 



25. It. semistriata, Mont.—-T. and R. pulchra and tristriata. — Brit. 



shores generally, C. 



26. It. cingillus, Mont. (Turbo.) — R., T., and C. vittata, var., R. gra- 



phica and R. rupestris, — Brit co. generally. 



27. It. vitrba, Mont. (Turbo.) — Helix glabraia, R. crystallina. — Ex« 



mouth, Oban, Birterbuy, etc., Mr. Elongated, smooth. 



28. R. proxima, Alder. — A rare Irish species. Elongated, striated. 



