PLATE XX. 



TORNATELLA. 

 Pig. 



1. T. FASCIATA, Lamk.— Valuta tornatUis, Linn., BuUmns T., T. pel- 



lucida awA^usilla (young). — Brit. co. generally. N. and S. Eu. 



OvuLA. 



2. 0. p.iTULA, Penn. [Bulla). — Exmouth, Arran, etc., 20 fatli. S. Eu. 



Wide aperture, ilc. 



3. 0. ACUMINATA, Briuj.— Bulla and Volvula a. — Locli Eyne, Lamlash, 



Galway, etc., E. S. Eu. Narrow, pointed. 



Cylichna. 



4. C. CYLiNDRACKA, Peiin. {Bulla.) — BiiUina and Volvaria c, oliva, 



and umbilicata. — Brit. co. generally, C. N. and S. Eu. 

 6. C. OBTUSA, Montagu [Bulla). — Utriculus, B. and C. Jerviscensis 

 and discors. — Brit. co. generally, C. 



6. C. MAMILLATA, Bhilqjpi. — Bulla and Tornatina m. and trun- 



catula. — Exm., Skye, Galway, etc., Mc. S. Eu. Spire sunk, 

 apex mamillated. 



7. C. TEUNCATA, Adams, [Bulla.) — B. truncahda, return, semisulcata. 



— Brit. CO. generally, C. N. and S. Eu. 



8. G. NiTiDULA, Loven. — C. and Bulla n. and umbilicata. — Skye, 



Loch Fyne, etc., R. N. Eu. Elongated, oval. 



9. C. coNULUs, Denh. — Zetland, llr. Conical. 



10. G. STRiGiLLA, Loven. — C, Bulla, and Ati/s s. and ovulata. — Scot- 



land, Mr. Spirally striated. 



11. C. XTMBiLiCATA, Mont. [Bulla). — Bullina and Volvaria u. and 



suhcylindrica. — Brit. co. gen., Mc. With umbilicated apex. 



12. 1.3. G. Lajonkaireana, Baderot, [Bulla.) — Guernsey, E. Nar- 



rower, and with more raised spire than C. ohtusa. 



Amphispira. 



14. A. HYALiNA, Turt. [Bulla.) — A. diaphana and Utriculus pellu' 



cidus, minutus, and candidus. — Scarborough, Weymouth, Cork, 

 etc. Littoral, Mc. N. Eu. Eather square. 



15. A. GLOBOSA, Jeffreys, Ann. Nat. Hist. Jan. 1S59. — Skye. 



Akera. 



16. A. BLiLLATA, Mi'. Her. — Bulla Akera, B. norvegica, B. resiliens, 



fragilis, fexilis, Ranleyi. — Southampton, ZetlaucI, Galway, etc. 

 Littoral, Mc. N. and S. Eu. 



