ON EUROPEAN SHELLS. 309 



A Manual of the Land and Fresh-water Shells of the British 



Islands. London, 1831. 



George WALKER. Testacea Minuta Rariora. 4to. Lond. 1784. 

 The text was written by Edward Jacob. 



J. WALLACE. A Description of the Isles of Orkney. 8vo. 

 London, 1700. 



J. WALLIS. Natural History and Antiquities of Northumber- 

 land. 4to. London, 1769. 



W. W. WALPOLE. Catalogue of Land and Fresh-water Shells 

 of Dublin. Zool xi. 4022. 



R. WARRINGTON. Observations on the Natural History of the 

 Water Snails. Ann. and Mag. N. H. x. 273. 1851. 



W. WOOD. Observations on the Hinges of British Bivalve 



Shells. Linn. Trans, vi. 154. 

 Index Testaceologicus, with 2300 figures. 8vo. London, 



1825. 

 Supplement to Index Testaceologicus, with 480 figures. 



8vo. London, 1828. 

 S. P. WOODWARD. Manual of the Mollusca. 12mo. 1851, 



1854, 1856. 

 On the Tenacity of Life in Snails. Ann. and Mag. N. H. 



vi. 489. 1850. 

 On Clausilia Rolphii. Note on Helix aspersa. Ann. and 



Mag. N. H. xvi. 297. 1851. 



G. WOOLEY. Dreissena in Unnavigable Rivers. Zool, iv. 

 1420. 



VI. 



LIST OF WORKS AND PAPERS ON EUROPEAN SHELLS. 



J. C. ALBERT. Die Heliceen nach natiirlicher Verwandtschaft 



systematisch geordnet. 8vo. Berlin, 1850. 

 Malacographia Maderensis. 4to. Berlin, 185-|. 

 X3 



