INDEX. 



297 



Migration not a universal habit, 



20 

 Migration not universal, instances 



of, 20, 21, 22, 23 

 Migration, order of, in adults, 70, 



71 

 Migration, order of, in autumn, 68, 



69 

 Migration, origin of, 34, 35 

 Migration over Mediterranean 



Sea, 9 

 Migration over seas, by means of 



islands, 93 

 Migration, present lines of, indi- 

 cating past routes of Emigra- 

 tion, 120 

 Migration Reports, the British 



Association, 240 

 Migration, routes of continuous, 95 

 Migration routes, varied character 



of, no, III 

 Migrations, ancient, 44 

 Migration, sea-routes of, 90-97 

 Migration, the perils of, 168 

 Migration, valley routes of, 103 

 Migration, vertical, 136 

 Migration, winter, 156 

 Migratory birds, moulting of, 66, 



67, 68 

 Migratory birds, plumage of, 66 

 Migratory birds, the great summer 



cjuarters of, 188 

 Migratory birds, vertical migra- 

 tions of, 138, 139 

 Migratory birds, wings of, 64, 65 

 Minius caroliiiensis, 182, 183, 184 

 Mortality among migrants, 259, 



260 

 Mo tad Ha alba, 210 

 Motacilla citrcola, 184, 213 

 Mutacilla Jlava, 262 

 Motacilla incla?ioccpJiala, 184 

 Motacilla 7nridis, 184, 211 

 Motacilla y arret Hi, 247 

 Mountain migrants, 109 

 Mountain passes, migration 



through, 109, no 

 Mountain routes, 108 

 Mountain species, vertical migra- 

 tions of, 140 



Muscicapa albicollis, 184 

 Miiscicapa at7^icapilla^ 191 

 Muscicapa griscisticta, 60 

 Muscicapa grisola, 58, 60 



Nearctic avifauna, reasons for 



poorness of, 189 

 Nearctic migrants, winter zones 



of, 194, 195 

 Nearctic region, cHmate of, 194 

 Nearctic region, effects of climate 



on migration, 194 

 Nearctic region, limits of, 188 

 New Zealand, rarity of migration 



to, 94 

 Nomadic migrants, absence of 



representative forms of, in 



southern hemisphere, 166 

 Nomadic migrants, claim of, to 



generic rank, 165, 166 

 Nomadic migration, 158 

 Nomadic migration in antarctic 



regions, 164 

 Nomadic migration, instances of, 



among the Corvidze, 160 

 Nomadic migration most pre- 

 valent in cold regions, 159 

 Nomadic migration, what it 



teaches, 164, 165 

 Non-breeding birds, neutral zones 



of, 152 

 Northern and Southern Hemi- 

 sphere migration, comparative 



examination of, 145 

 Northern Europe, arrival of birds 



in, 209, 210, 211 

 Northern migration from southern 



latitudes, instances of, 145, 146 

 Northern types, isolation of, in 



Southern Hemisphere, 132 

 Nucifraga caryocatactes, 160 

 Nunienius phcEOpiis, 205, 2 1 1 



Ocean migration, 149 

 Occanites ivilsoni, 146, 184 

 (Estrclata hd'sitata, 1 84 ; tor- 



quata, 147, 184 

 Old areas, return of birds to, 62 

 Old haunts, return of birds to, 



219 



