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

by G. B. Sowerby

Zua.

22. Z. lubrica, Müller, (Helix.)—Turbo, Bulimus l., subcylindrica, muscorum, etc.—C. and gen. Among leaves and under stones.

Azeca.

23. A. tridens, Pulteney, (Turbo.)—Helix, Pupa and Cionella Goodallii, Britannica, etc.—C. and general. Habits as Zua and Pupa.

Achatina.

24. A. acicula, Müller.—Buccinum, Bulimus, Helix octona, terrestre, etc.—In marshy places, among Grass, etc., C. S. Eu.

Cyclostoma. Snail with operculum.

25. C. elegans, Müller, (Nerita.)—Turbo reflexus, T. tumidus, striatus, elegans.—Chalky districts of S. Engl., C.

Acme. Cylindrical Snail with operculum.

26. A. lineata, Drap. (Auricula.)—Turbo, Carychium, Cyclostoma, Bulimus fuscus, Cochlea minuta.—Bristol, Pembroke, Clare, Dublin, etc., R.