Feathers, first appearance on the young bird, ~1~, 22; of the wing, 109-111; of the tail, 112, 113; the various kinds of, 114, 115; expression of emotions by, 116; the birds' care of, 116, 117. _See also_ Plumage. Feet, ~1~, 92, 105-108. Finches, ~2~, 82, 201. Fish, birds and dead, ~1~, 86, 87. Flicker, method of feeding young, ~1~, 18; food of, 85, 127; color markings, 121; ~2~, 161; portrait, ~1~, 86. Flicker, Red-shafted, ~2~, 161, 162. Flycatcher, Least, ~2~, 136. Flycatcher, Shining Crested, ~2~, 67. Flycatching Family, ~2~, 135, 202. Flying, ~1~, 93. Food, ~1~, 48-55; in winter, 67-69, 134; in its relation to the welfare of man, 125-130. Frigate-bird, ~1~, 110. Fringillidæ, ~2~, 80, 201. Geese, ~1~, 98, 99. Gizzard, ~1~, 93. Gnatcatcher, Blue-gray, ~2~, 16. Gnatcatchers, ~2~, 198. Goatsucker Family, ~2~, 155, 203. Goldfinch, American, ~1~, 14; story of canary and, 20; change of color, 26; food, 54; flocking, 71; ~2~, 82; portrait, ~1~, 26. Goldfinch, European, ~1~, 79. Goldfinch, Willow, ~2~, 84. Grackle, Bronzed, ~2~, 112. Grackle, Purple, ~2~, 112. Grackles, ~2~, 110. Grosbeak, Black-headed, ~2~, 88. Grosbeak, Cardinal, ~1~, 69, 132; ~2~, 88; portrait, ~2~, 90. Grosbeak, Rose-breasted, ~2~, 86; portrait, ~2~, 86. Grosbeaks, ~2~, 86. Grouse, ~1~, 58, 59, 110. Grouse, Ruffed, ~1~, 111. Gullet, ~1~, 93. Gulls, ~1~, 101. Hawk, American Sparrow, ~2~, 189; portrait, ~2~, 188. Hawk, Fish, ~2~, 190; portrait, ~2~, 192. Hawk and Eagle Family, ~2~, 188, 204. Hawks, food of, ~1~, 52, 53, 126, 127; asleep, 59; beaks of, 97; eyesight of, 101; feet of, 106. Heligoland, ~1~, 101. Heron, Great Blue, ~2~, 114. Herons, food of, ~1~, 53, 127; bills of, 97; story of the hearing of a heron, 103, 104; usefulness to man, 127. Hirundinidæ, ~2~, 69, 201. Humming Family, ~2~, 143, 202. Hummingbird, Anna's, ~2~, 149. Hummingbird, Ruby-throated, absence of male from nest, ~1~, 16; method of feeding young, 18; ~2~, 144; portrait, ~1~, 18. Hummingbirds, ~1~, 15, 98. Icteridæ, ~2~, 94, 201. Identification, ~1~, 137-141. Indigo-bird, ~1~, 47; portrait, ~1~, 46. Instinct, ~1~, 83. Intelligence, ~1~, 83-87. Japan, ~1~, 131. Jay, Blue, learning to fly, ~1~, 31, 32; storing food, 54; story of a mischievous, 55, 56; usefulness to man, 126; ~2~, 113, 121; portrait, ~2~, 122. Jay, Steller's, ~2~, 126. Jays, ~2~, 117, 202. Kindness of birds to one another, ~1~, 74-77. Kingbird, ~1~, 14, 129; ~2~, 113, 136; portrait, ~2~, 136. Kingbird, Arkansas, ~2~, 140. Kingfisher, Belted, ~2~, 170; portrait, ~2~, 170. Kingfisher Family, ~2~, 170, 203. Kingfishers, ~1~, 21, 115. Kinglet, Ruby-crowned, ~2~, 14; portrait, ~2~, 14.