INDEX. 



267 



Bee, snail clinging to, 85, 165. 

 Beetles, showers of, 44. 



snail's eggs attached to, 47. 

 bivalves clinging to, 63. 

 flying habits of, 66, 69. 

 carrying powers of, 67. 

 caught on the wing with shells 



attached, 68, 87. 

 dispersal of univalves by, 85, 



86, 155. 

 And see Acihus, Dytisais, and 

 Colyinbetes. 

 Beevers, J., on additions to the 



fauna of a pond, 15. 

 Belt, T., on dispersal of land- shells, 



95- 



on the difference in the dis- 

 tribution of fresh-water and 

 land -shells, 97, 98. 



on whirlwinds, 149. 

 Benson, W. H., on tenacity of life 



in a Cyclophoms^ 114. 

 Berkeley, M. J., on Dreissena 

 polymorpha in Britain, 213, 

 216. 

 Bingley, a case of long suspended 



vitality recorded by, 100. 

 Binney, A., on a snail reviving 

 after being frozen, 41. 



on tenacity of life in the desert- 

 snail, 103.' 



on voluntary migration, 116. 



on drift wood, 127. 



on dispersal by currents, 137, 

 144. 



on Buhimis decoUatus de- 

 stroying Helix nemoralis, 

 194. 



on dispersal with ballast, 196. 



on the importation of snails 

 into the United States for 

 food, 203. 

 Binney, W. G., on the distribution 

 of Bulimusjtndatits, 138. 



on river- dispersal, 142. 



colonization by, 180, 193, 



194. 

 Bird, claw of, found between the 



valves of a mussel, 77. 

 Birds, dispersal by, 45, 77, 156, 



174. 224. 



shells possibly scattered from 



the crops of, 45, 159, 176. 

 ejection of contents of crojDs of, 



45> 163. 

 rate of flight of, 47, 49, 159, 



177. 

 shot on the wing with shells 



and ova attached, 47, 79. 

 dispersal with plants and earth 



adhering to, 51, 54, I57- 

 marine bivalves clinging to, 



snails killed before being swal- 

 lowed by, 160. 



Birds, dead, float on the ocean 

 possibly with molluscs in 

 their crops, 163, 177. 



Birds of prey, dispersal by means 



of, 45, 159. 

 Birmingh am, Dreissena polymorph a 



in water-pipes at, 19. 

 Bivalves, voluntary migration of, 4. 

 out of water, 4, '^;^. 

 in isolated waters, 6, 8, 12. 

 effects of frost upon, 41, 42. 

 dispersal of, while clinging by 



closure of the valves, 56. 

 And see Molluscs. 

 Blackbird, claw of, between the 



valves of a mussel, 78. 

 Blackbirds, probable destruction of 



snail-colonies by, 191. 

 Black slug. See Arion ater. 

 Blomefield, L., on snails eating 

 into a pollard-elm, 132, 



135- 



on Hehx pomalta in Britain, 



241. 

 Bones, shells amongst, 202. 

 Borrer, W., on BuHjuus goodallii 



and B. decollattts at Kew, 



231, 261. 

 Bouchard-Chantereaux on snails 



falling from trees with leaves, 



147. 

 Bourguignat, J. R., on colonization 



of Helix lac tea, 189. 

 Brackish water, fresh-water shells 



living in, 39. 

 Brazier, J., on dispersal by currents, 



133- 



