INDEX. 



75 



Hancock, Mr., on cockles clinging 



to birds, 59. 

 Hardy, J. R., on earth adhering to 

 birds, 54. 

 on bivalves clinging to the 

 larva of a dragon-fly and to 

 a water-scorpion, 62. 

 to a w^ater-beetle, 65. 

 to newts, 71, 76. 

 to frogs, 73. 

 to a water-vole, 8;^. 

 on an operculate water-snail 

 clinging to the larva of a 

 dragon-fly, 85. 

 on Ancyliis adhering to Dytis- 

 cus, 87. 

 Halting, J. E,, on Helix pomatia 

 at Petersfield, 187. 

 on Dreisseiza polymorpha in 

 Britain, 213. 

 Hatton, Lord, attempted colo- 

 nization of Helix pomatia by, 

 187, 236. 

 Hawker, W. H., on British localities 



for Helix obvoluta, 248. 

 Hawks, probable dispei'sal by means 



of, 159, 161-2. 

 Hay, carried up by whirlwinds, 151, 



153- 

 showers of, 153. 



Heart-cockles, clinging to fish- 

 hooks, 58. 



Heathcote, W. H., a Limnaa seen 

 on the tower of a church by, 



5, 165- 

 on a bivalve clinging to a 



beetle, 64. 

 to newts, 70. 



colonization by, 185, 190. 

 on Hyaliiiia draparnaldi at 

 Preston, 199. 

 Hedgehogs, snail-colonies probably 



exterminated by, 187, i88. 

 Hedley, C, on introduced slugs in 

 Australasia, 178. 

 on Helix aspersa in Australia, 



180. 

 on wide dispersal of slugs, 



206. 

 on Liinax maxinms in Tas- 

 mania, 207. 



1 



Heilprin, Professor, on diffusion of 



land-shells, 119. 

 Helicarioji, carried by a beetle, 



155- 



Hehndce, wide range of, 92. 

 Helicina amcena, carried from 

 Brazil with orchids, 199, 

 263. 

 Helix, wide range of, 92. 

 killed by sea-water, 121. 

 carried with Sphagnum, 199. 

 with cattle-bone, 202. 

 on the floating or sinking of in 

 water, 140. 

 Helix aacleata, amongst leaves, 147 . 

 falling from trees with leaves, 

 147. 

 H. acuta, carried on palm-trunks, 



200. 

 H alaiida, carried with bananas, 



201. 

 H. ajiniilus, probable dispersal of, 



by currents, 133. 

 H. aperta, tenacity of life of, 105. 



in Guernsey, 256. 

 H. appressa, colonization of, 193. 

 H aspersa, in Australia, 140, 180. 

 at the Cape, 1 79, 204, 243. 

 in Madeira, 179. 

 in the Loyalty Islands, 205. 

 suspended vitality in, 107. 

 production of eggs by, after a 



dormant period, 107. 

 found in cut bamboos, 140. 

 carried by a bird, 165. 

 found in imported sand, 197. 

 carried by ships as part of pro- 

 visions, 203. 

 imported into the United States 

 as an article of food, 203. 

 //. austriaca, colonization of, 193. 

 H. bicarinata, tenacity of life of, 



no, III. 

 H. candidissima, tenacity of life of, 



106. 

 H. cantiana, on its indigenousness 

 in Britain, 245. 

 carried with ballast, 197, 245. 

 H. caperata, alive in the crop of a 

 bird, 161, 163. 

 amongst barley, 201, 260. 



