INDEX 



Cuckoo, 55. 



Cuckoo, black-billed, feediug young, 

 196; nesting-habits, 197. 



Darwin, Charles, 129, 277; quoted, 



278. 



Day, and night, 324-26. 

 Democracy, 322. 

 Dickcissel, 154. 

 Disintegration, 186-88. 

 Dock, yellow, 35, 36. 

 Dogs, 1 14 ; their capacity for loving, 



205; companionship, 205, 206; 



enjoyments and interests, 206. 

 Dove, mourning, nest, 14. 

 Ducks, migrating, 5. 



Earth, the, a celestial body, 243; 

 rotation, 255; growth, 258-61; 

 beauty and wonder of, 312, 313. 



Emerson, Ralph Waldo, 17, 113; 

 quoted, 27, 28, 215, 224, 235, 246, 

 248, 250, 307, 308; and natural 

 history, 221, 222; a poet, prophet, 

 and critic, not a purely literary 

 man; his "Brahma," 250. 



Energy, 264, 322. 



Epictetus, 321. 



Everlasting, early, 210-13. 



Evolution, a hard road to travel, 

 273; variation the main factor, 

 273, 274; speed, 276, 277; belief 

 in, 277; and ethics, 281-84; the 

 push of development, 284, 285; 

 order of development, 286-88. 



Eyes, 51. 



Fabre, Jean Henri, on a caterpillar 

 building its cocoon, 48, 49; his 

 studies in insect behavior, 129- 

 39, 202-04. 



Fear, 328. 



Fern, walking, 39. 



Finch, purple, eating cherry-blos- 

 soms, 25, 26. 



Fishes, deeo-sea, 270-72. 



Flicker, or high-hole, drumming, 19; 

 call, 19, 20; nesting, 20, 194; color- 

 ation, 21. 



Flycatcher, crested, 168. 



Flycatcher, olive-sided, 25. 



Fog, 297-99. 



Fcssil, a, 181. 



Fox. red, 31, 32, 197; tracks, 209; 

 two tame foxes, 292, 293. 



Geology, pleasures of, 177-83. 



Georgia, granite in, 178-80. 



Germany, 323. 



Glaciers, local, 182. 



God, and Nature, 241, 247-51; and 

 evil, 248, 249. 



Goldfinch, 152; nest, 105-07; a cu- 

 rious experience with nest and 

 young, 106, 107. 



Granite, Northern and Southern, 

 178-80. 



Grass, seed-dispersal, 37, 38. 



Grosbeak, rose-breasted, 11; with 

 young, 109. 



Grouse, ruffed, 155. 



Hawk, marsh, 163, 164. 



Hawk, pigeon, 165. 



Hawk, red-tailed, 163, 164. 



Hawk, sparrow, 165, 166. 



Hen-hawk, 163, 164. 



Heredity, 329, 330. 



High-hole. See Flicker. 



History, sequence of events in, 309, 



310. 

 Hummingbird, ruby-throated, 16, 



17, 75. 

 Humphrey, Miss Grace, quoted, 47, 



48. 

 Huxley, Thomas H., quoted, 327. 



Ibis, wood, 294, 295. 



Impulse, 320, 321. 



Insects, mind in, 129-39, 204; our 



interest in books on, 201-03. 

 Interesting, the, 196. 



Jay, blue, migrating, 18, 19; egging 



expeditions, 67. 

 Junco, with nests, 108, 109. 



Kingbird, flight, 25; nest, 102, 103, 

 106; fly-catching, 102, 103, 195; 

 contrasted with the crested fly- 

 catcher, 168. 



Kinglet, ruby-crowned, 6. 



Language, 327, 328. 

 Lark, prairie horned, 154. 

 Leaders, 324. 



334 



