INDEX. 



Abkpharus pannonicu s, 258 

 Accentor collaHs, 316 



modidaris, 317 



Accidental distribution, 12, 26 

 Acipenser ruthenus, 29 

 Acme, 323 



Adams, Leith, 112, 150 

 /Egean continent, subsidence of, 



272-273 



Agriolimax, 284 

 AlactagajacuhiS) 204 

 Aha impennis, 92, 142 

 Alligator, accidental dispersal of, 



14 

 AHolobophora Georgit, 115, 302 



veneta, 115, 302 

 Alpine Accentor, 316 



Chough, 317 



fauna, survival of, during Glacial 

 period, 332 



flora, 341-348 



flora, age of, 78, 79 



flora, suitable conditions for, 78- 



79 



Hare, as a test of climate, 316 

 Snow-finch. 318 

 Alps, component elements of fauna, 



311-312 



Alston, E. R., 312 

 Alytes cisternasii, 295 



obstetricans, 295 

 Amalia, 284 



America, introductions from, 24 

 American beetles in the British 



Islands, 167 

 plants, origin of, in the British 



Islands, 144 

 plants in Ireland, 1 66 

 sponges in Ireland, 166 

 Anipelis garruhts t 205 



Amphibia of Europe, 193-194 



dispersal of, 21 

 Aniphicoma, 268 

 Andalusian Bush-quail, 291-292 

 Anergates, 167 

 Anglo-Scotian fauna, 95 

 Animals as tests of climate, 71-75 

 Antelope, 39 



Ants, European origin of, 161 

 Apollo, 325 



Apus glacialiS) 94, 167 

 Aralo- Caspian Sea and Arctic 

 Ocean, connection between, 

 219-231 



Arbutus unedo, IIO, 307 

 Arctic animals in Caspian Sea, 238 



flora in Europe, 238-241 



Hare, origin of, 148-149, 158-159 



Hare, range of, 136-138 



Lepidoptera, 200 



plant-beds at Bovey Tracy, 238 



plants, 143-144 



plants, delicacy of, 185 



mollusca in Red Crag, 235-236 



Seal, 174 



sub-region, 132 

 Arctotnys bobak, 204, 313 



mannoi 7a, 313 

 Arion, 48, 299 



snbf^tsc^ls, 49 



Arionidie, origin of, 48, 299 

 Asiminea Grayana, 99 

 Aucapitaine, Baron, experiments 



by, 15 



Autochthonous species, 10 

 Azores, remains of a continent, 19 



Bacillus, 269-270 

 Badger, distribution of, 43 

 Balea perversa, 298 



