INDEX. 



279 



Lhnncua atiriailaria, eggs of, pass- 

 ing the digestive system of 

 swans, 46. 

 on dried eggs of, 47. 

 L. htiinilis in an artificial pond, 16. 



in non-permanent water, 25. 

 L. inacrostoma in an isolated pond, 



17- 



L. parz'a, in a horse-trough, 20. 

 in non-permanent water, 25. 

 L. peregra in a water-trough, 20. 

 in the Trafalgar Square foun- 

 tains, 22. 

 in puddles, 25. 

 wandering on laud, 26. 

 dispersal of, while floating, 35. 

 reviving after being frozen, 42. 

 adhering to turtles, 88. 

 to a toad, 89. 

 Z. rejlexa, dispersal of, by floods, 32. 

 L. stagnalis reviving after being 

 frozen, 42. 

 in New Zealand, 184. 

 in Tasmania, 195. 

 L. iruncatida migrating over land, 

 4, 26. 

 on the tower of a church, 5, 



165. 

 in horse -troughs, 21. 

 in non-permanent water, 24, 25. 

 diffusion of, in Madeira, 25. 

 tenacity of life of, 27. 

 dispersal of, during floods, 32. 

 Limpet. See Ancylus. 

 Lincolnshire wolds, isolated ponds 



of, 9. 

 Lindsay, J., Helix obvoluta dis- 

 covered in Britain by, 247. 

 Lister, on Helix potnatia in Britain, 



235, 236, 238. 

 Lithoglyphus naticoides in Britain, 



226. 

 Liverpool, Bulinms widatics near, 



202, 259. 

 Lizard's eggs found in crevice of 



drift-wood, 138. 

 Local distribution. See Distribu- 

 tion. 

 London, Dreissena polyinorplia in 

 streets of, 18. 

 Helix limbata near, 251. 



Long, F. C, o\\ Planorhis dilataUis 



at Burnley, 223. 

 Lord, J. K., on an otter's shell cling- 

 ing to a shoveller-duck, 60. 

 Louth, an isolated pond near, 9, 10. 

 Loyalty Islanders, snail trans- 

 planted by the, 203. 

 Loyalty Islands, Helix aspersa in, 



205. 

 Lukis, Dr., attempt to colonize 



Helix poniatia in Guernsey, 



187. 

 on the supposed occurrence of 



Helix aperta in Guernsey, 



256. 

 Lukis, Mr., colonization of Hehx 



pisana in Guernsey, 189. 

 Liitraria, shoveller-duck caught by, 



60. 

 Lyell, Sir C., on an introduced 



Zzw;/c?<^ in Madeira, 25, 181. 

 on the dispersal of shells and 



their eggs, 29, 36. 

 on dispersal by whirlwinds and 



hurricanes, 42, 145, 149, 152, 



153- 



on an Ancyhis adhering to a 



DytiscHs, 87. 

 on the shells of Madeira and 



Porto Santo, 96. 

 on tenacity of life in a Buli/nus, 



112. 

 on the scarcity of evidence as 



to the means of dispersal of 



land-shells, 119. 

 on dispersal by icebergs, 123. 

 by pumice, 124. 

 by birds, 157, 159. 

 on floating islands, 129, 136, 



174. 

 on snails carried in flower-pots, 



200. 

 on Buliimcs tmdatus near Liver- 

 pool, 202, 259. 

 on the dispersal of Dreissena 



polymo)pha, 211. 



M. 



McDakin, Mrs., Helix terrestris 

 discovered in Kent by, 232. 



