INDEX. 



Abnormal lines of migration in 

 autumn, 266 



Absence of large southern mam- 

 malia from European Post- 

 Glacial deposits, 21 



Absence of pre-glacial relics of 

 " Arctic plants " in the North 

 Polar regions, 297 



Absence of West European species 

 from British Area, reasons for, 



95, 96, 97, 98 



Accentor iiioditlaris, present emi- 

 grations of, 174 



Accipiter melajioleitcus, 46 



AcroccpJiahis aquaticiis, go 



AcrocepJialus paltistris, present 

 emigrations of, 173 



AcrocepJialus phragniitis^ pre- 

 sent emigrations of, 173 



AcrocepJialus turdozdes, 90 



jEgialitis Jiiaficula, 1 1 1 



jEgialifis sonipahnatus, iii, 159 



Africa, the distribution of plants 

 in, 301 



Alcid^e, survival of the, during 

 the Ice Age, 167 



Algeria, animal remains in the 

 caves of, 34 



Avwwmanes cinctura^ 46 



Ampelis cedronnn, 89 



A vipelis garrulus^ 89 



Ampelis pJicenicoptcr a, 89 



Amphibia and Reptiles of British 

 Area, 104 



Analysis of table of Post-Glacial 

 Emigrants in West Europe, 125 



Anas strepera^ northern range of, 

 114 



Anatid/e, 57 



Ancient breeding ranges, 213 



Ancient emigration up the English 

 Channel, 130 



Ancient land connections between 

 America and Europe, 1 1 5 



Andes, a route for the southern 

 migration of plants, 297 



Anomalies of Avian distribution 

 explained by the Law of Dis- 

 persal, 158, 159 



Anomalous facts, 112 



Anser bracJiyrJiyncJius, 113 



Anser segetuni, 113 



Antarctic centres, northern emi- 

 gration from obviously errone- 

 ous, 302 



Antarctica, 303, 307, 308 



Ant Juts trivialis, present emigra- 

 tions of, 174 



Aiitilope, 34 



"Arctic" animals, 55, 56 



" Arctic " element among birds, 

 the, 296 



Arctic element in South Temper- 

 ate Floras, bearing of the Law 

 of Dispersal on, 294 



Arctic Floras, could never have 

 been developed in the Polar 

 regions, 298 



