INDEX 



Aeroplane, compared with bird, 



9 



Air lines, the birds', 31 

 Albatross, wanderings of, 28 

 April migrants, 54 



Bermuda, migrants in, 102 

 Birds and insects, 128 

 Birds and trees compared, 154 

 Blackbird, Red-winged, 52 

 Blackpoll, travels of, 40, 41, 126 

 Bluebird, as migrant, 67 

 Bobolink, travels of, 88 

 Bobwhite, wing and foot of, n 



Caribou, migration of, i 

 Chuck-WilPs-Widow at sea, 118 

 Climate, changes in, 150 

 Columbus and migrants, 104 

 Compass of birds, 133 

 Crow roosts, 27 

 Curlew at sea, 134 



Dangers of migration, 116 

 Day migrants, 64 

 Dry Tortugas, 143 



Engine, the birds', 8, 9 



Fall migration, when begun, 59 

 Fat as fuel, 16 



Feathers, how molted, 13, 14 

 Fog and birds, 133 



Crackle roosts, 20 



Great Auk, 12 



Grosbeak, Pine, 28 



Gull, Franklin's, roosts, 25 



Gull, Herring, following a 



steamer, 28 

 as migrants, 70 



Hawaii, migrants in, 105 

 Hawk's migrating, 68 

 Height at which birds travel, 85 

 Homing instinct, 139 



Insects and birds, 128 

 Instinct of migration, 150 



Laws for birds, 131 

 Lighthouses and migrants, 79, 



123 

 Loon, at sea, 44 



Magnolias in Greenland, 150 

 Man-of-War Bird, 141 

 March migrants, 53 

 May migrants, 56 

 Migration, causes of, 157 

 Molt of wing-quills, 15 

 Moon and migrants, 83 



159 



