I NDEX. 



A. 



of fish in 



Aberdare, shower 



valley of, 43. 

 Accrington, Pupa cinerea near, 



234- 

 Achatinellina:, restricted specific 



ranges in, 91, 96. 

 Aciliusy snail's eggs attached 



bivalve clinging to, 65. 

 Ancylus adhering to, ^T. 

 Adami, G. B., colonization 



192. 

 Adams, L. E., on a flood in 

 Thames, 31, 

 on bivalves cHnging to newts, 



on Helix vermiculata at 



Barnsley, 255. 

 Adams, Professor, on weight of 



Vertigo miluim^ 147. 

 Adanson, on shells in swamps, 



24. 

 Additions to the fauna of a 



to, 



by, 



the 



pond, 



14. 



Estivation, climatic barriers over- 

 come by, 100. 



dispersal dm-ing, 148. 

 Alder, J., on introduced or doubt- 

 fully indigenous shells in 

 Britain : on Dreissena poly- 

 mo7-pha, 213. 



on Testacella maugei, 228. 



on Bulimtis goodallii, 230. 



on Testacella haliotidea, 250, 



on Helix liinbata, 251. 



on Clausilia papillaris, 261. 



Alexandra Park, Manchester, shells 



in lake at, 19. 

 Allen, Grant, on Clausilia parvula 



near Stourbridge, 262. 

 Alluvium, shells in, 141. 

 Amalia, attempted colonization of, 



195- 

 Amazons, floating pumice of, 125, 



139- 

 rafts of, 129, 130. 

 Amphibia, dispersal by, 69, 88. 

 wandering habits of, 75. 

 climbing powers of, 76. 

 And see frogs, newts, and 

 toads. 

 AmpullaricE, tenacity of life of, 28. 

 Ancylus, Reeve on the means of 

 dispersal of, ^6. 

 adhering to water-beetles, 86. 

 possibly dispersed with mus- 

 sels, 88. 

 Ancylus Jluviatilis, carried away 

 by a flood, 31. 

 adhering to water-beetles, 87. 



,, to mussels, 88. 

 ova of, attached to a water- 

 beetle, 47. 

 A. laciest ris, adhering to a water- 

 beetle, 87. 

 adhering to a frog, 89. 

 Animals, dispersal by, 45, 154, i74> 

 178, 209. 

 living molluscs (or ova) pass- 

 ing the digestive systems of, 

 45,46. 

 possibly scattered from the 

 stomachs of, by birds of 

 pi-ey,45> I59> 176. 



