INDEX 



Abnormal migrants at Heligo- 

 land, comparative table of, 184 

 Abnormal migrants, coincidence 



of route of, 186 

 Abnormal migration at Heligo- 

 land, 181, 182, 183, 184 

 Abnormal migration, instances 



of, in British Islands, 179, 180 

 Abnormal migration, instances 



of, in other countries, 181 

 'Accentor alpinus, 140 

 Accentor niodularis, 139 

 Accentor viontanclluSj 214 

 Ao-edula caudata rosea, 1 33 

 Acrocephalus agricola, 184 

 A crocepJialus palustris, 191 

 Acj'ocephahis phragmitis, 21, 119, 



151, 208 

 Acrocephalus ticrdoides, 56, 262 

 JEgialitis hiaticnla, 23, 211 

 jEgialitis Jiiaticida major, 23 

 ^gialitis je? doni, 2 3 

 ^gialitis inmor, 23 

 ^gialitis nova zelandicE^ 52 

 y£gia litis seniipabnatiiSj 234 

 ALgialitis 7Jocifera, 1 84 

 u^gialophilus cantianits, 145, 191, 



211, 247, 265 

 Agekcus pha'niccHS, 1 84 

 Alan da arvensis, 155, 230, 234 

 Alaiida ccelivox, 234 

 Alaiida dulcivox, 234 

 Alauda pispoletta, 184 

 Alaiida sibirica, 232 

 Alan da tartarica, 184, 232 

 AlciDtE, 49, 165 



Algeria, vertical migration in, 136, 

 137 



Amp e lis, 166 



Ajtas boschas, 56 



A7ias O'ecca, 21 1 



Anas falcata, 106 



Anas formosa, 106 



Anatid/e, 52, 53, 102, 163, 165, 

 190, 247 



Ancient routes, instances of 

 species still following them, 99, 

 100, lOI 



Anser, 67 



Anser brcfita, 216 



Anser hyperborens, 217 



Anser segetiim, 210, 223 



Antarctic breeding-grounds, pos- 

 sible undiscovered, 150 



Antarctic regions, geological 

 changes in, 96 



Anthns arbor eus, 138, 191, 211 



Anthiis cervimis, 211 



A JitJms gnstavi, 1 1 8 



Anthns p7'atensis, 210, 247 



Anthns richardi, 232 



Arctic America, arrival of mi- 

 grants in, 216, 217 



Arctic birds breeding in the 

 southern hemisphere, 150 



Arctic Grouse, nomadic move- 

 ments of, 162 



Arctic regions, autumn in, 228 



Ardea cinerea, 181 



Argyll, Duke of, on hibernation, 

 etc., 12, 13 



Argyll, Duke of, on migration of 

 Song Thrush, 126, 127 



Astitr atricapilhis, 1 84 



Autumn, abundance of birds in, 

 230 



