ViTEiNA. Shell not including the wliole Slug. 



Fig. 



14. T. HALiOTOiDEA, Brap. — T. europaa, T. smtulim. — Near London. 



Channel Isls., etc., Mc. 



15. V. PELLUCIDA, J/«7/e/-, [IlelLr.) — II.di.apIiana,IIeHcorimax,Limac'ma 



mnjor, etc. — Various parts of the country, under stones, etc., Mc. 

 Eu. Very transparent. 



16. V. Draparnaldi, Jeffreys. — Y. ohlonga, H. Irevipes? — Less glo- 



bular than 15, E. 



ZoNiTES. Transparent, thin-edged Snails. 



17. IS. Z. CELLARius, Miiller, [Helix.)— H. and Z. lucida and nitens. — 



Brit, gen., C. 



19, 20. Z. NiTiDUs, Mailer, [Helix.) — H. and Z. nitens, lucida, tenuis, 



Snccinea, etc. — Less depressed than 17, IS, with larger um- 

 bilicus. 



21. Z. ciasTALLiNTTS, Miiller, [Helix.) — H., Z., Discus, and " Polita" c, 



elurnea, vitrea. — In damp spots, among stones and Moss. Minute, 

 white, transparent. 



22. Z. NiTiDUi.us, Brap. — Generally distributed, Mc. Mouth oblique. 



Umbilicus small. 



23. 24. Z. ALLARius, Miller, [Helix) — H. and Z. r/lahra, alliacea, nitens, 



tenera, lurida, etc. — Distr. gen., C. Smaller and more convex 

 than 17, 18. 

 25. Z. EXCAVATUs, Beav, [Helix.) — //. and G. nitida, lucida, etc. — 

 Durham, Northumberland, Galway, etc., Mc. Umbilicus very 

 large. 



20, 27. Zi. RADiATUi.us, Alder, [Helix) —Vihix. gen., 0. Striated, 



minute. 

 2S, 29. Z.PURUS,4Wer, [Helix.) — H.andZ.poUta,^nA. Helicella nitidosa, 

 electrina, etc. — Most common North Engl. Whorls less close 

 and more oblique than 21. 



