274 



INDEX. 



climbing powers of, 76. 



Ancyhis adhering to, 89. 

 Frozen mud, dispersal in, 42. 

 Fry, dispersal of, 36, 46, 48, 157, 



174, 220. 

 Fryer, Mr., on Helix ca7itiana, 245. 



G. 



Gain, W. A., on snails reviving 



after being frozen, 41. 

 Gallwey. See Payne-Gallwey. 

 Ganges, rafts of, 129, 

 Garden-snail. See Helix aspersa. 

 Garner, Mr., on the dispersal of 



Dreisseua polymorpha, 211. 

 Gaskoin, J. S., on tenacity of life in 



land-snails, 104, 109, 

 on the production of eggs by 



snails after dormant periods, 



104, 109, 122. 

 Gecko. See Lizard. 

 Germany, Dreisscna polynwrpJia in, 



212, 214. 

 Gibbons, J. S., on Helix aspersa 



near Cape Town, 179. 

 on Hyaliuia cellaria in St. 



Helena, 179. 

 Girard, Professor, on bivalves 



clinging to crayfishes, ^t^. 

 Glacial epoch, dispersal during, 30, 



123. 

 Gloyne, C P., on shells in cemented 



tanks, 22. 

 Godman, F. Du C, on birds blown 



to the Azores, 156. 

 Godwin-Austen, H. H., on the dis- 

 persal of eggs of fresh-water 



shells, 46. 

 on the finding of a bird's claw 



between the valves of a 



mussel, 77. 

 Gold-fish, possible dispersal by man 



with, 226. 

 Goodridge, C, on drift-wood, 134. 

 Gorton, shells in lake at, 19. 

 Gould, Dr., on shells amongst 



leaves, 146. 



Goulding, R. \V., on a bivalve 



clinging to a newt, 70. 

 to a frog, Ti. 

 Gray, A. H., on a Unio clinging to 



a teal, 80. 

 Gray, J. E., on the exportation of 



snails as delicacies, 203. 

 on Dreissena polymorpha in 



Britain, 211. 

 on Helix pomatia, H. cantiana, 



and H. ohvohcta in Britain, 



239, 245, 247. 

 on the occurrence of exotic 



shells in the British Isles, 



251, 256, 259, 261. 

 Great water -beetle. See Dytisciis. 

 Greenhouses, foreign snails in, 198, 



230, 260, 261. 

 Griffith, J., on a shower of fish, 



44. 

 Grocer's shop, foreign snails in, 



263. 

 Grocock, Mr., on Physa acuta in 



Britain, 225. 

 Gude, G. K., on tenacity of life in 



snails, 108, IIJ. 

 on the finding of a Helicina 



among orchids, 199. 

 Guernsey, attempt to colonize 



Helix pomatia in, 187. 

 Helix pisana colonized in, 189. 

 Helix aperia found in, 256. 

 (julick, J. T., on restricted specific 



ranges, 91. 

 Gum Arabic, shell amongst, 201. 

 Guppy, H. B., experiment with 



Neritina and salt-water, 40. 

 on dispersal in frozen mud, 



42. 

 Gurney, J. PI., on bivalves clinging 



to birds, 60, 79. 

 Gwatkin, II. M., on Helix pisana 



in Guernsey, 190. 



II. 



Habitats conducive to dispersal, 

 34, 37, 52, 132, 140, 146, 

 169, 171, 173- 



