INDEX 
Sparrow, English, learning canary’s 
song, 46; young fed by a wren, 81, 
82; harmfulness of, 126, 130, 132. 
Sparrow, song, arrival, 3; nest, 9; in- 
dividuality in songs, 45; 47. 
Sparrow, tree, 58, 128. 
Sparrow, white-throated, 54. 
Sparrows, 84, 97. 
Stomach, 93. 
Swallow, bank, 96. 
Swallow, barn, 71, 96. 
Swallow, eave, 71. 
Swallows, food of, 17, 35, 50; flocking, 
62,71; story of young, 75 ; story show- 
ing intelligence, 85; wings of, 110. 
Swift, chimney, sleeping, 59, 60; devo- 
tion to young, 78; tail of, 113. 
Tail, 112, 118. 
Tanager, scarlet, 79. 
Thrasher, 113. 
Thrush, wood, 133. 
Tongue, 97, 98. 
Usefulness of birds to man, 125-130. 
Veery, 47. 
Vireo, red-eyed, 47. 
149 
Warbler, black and white, 121. 
Warbler, yellow, 50. 
Warblers, 62, 97. 
Water, birds in, 94; for drinking and 
bathing, 133, 134. 
Whip-poor-will, 107, 121. 
Wings, 109-112. 
Winter, birds in, 66-69. 
Woodcock, beak of, 96; whistling sound 
of wings, 111. 
Woodpecker, downy, 50. 
Woodpecker, red-headed, 85. 
Woodpecker, yellow-bellied, 85. 
Woodpeckers, 18, 21; teaching young 
to feed itself, 35, 36; food of, 50; 
storing food, 54, 55; sleeping, 59; 8&5, 
86; beaks of, 95 ; tongues of, 98; 103; 
feet of, 106; tails of, 113. 
Wren, house, 81, 82. 
Young birds, hatching of, 13-15; feed- 
ing of, 16-20; first plumage of, 21- 
23; learning to fly,29-34, 37-39; the 
mother’s anxiety about, 30-32; learn- 
ing to feed themselves, 34-36, 39; 
learning to sing, 36; after leaving the 
nest, 70-73. 
