342 



Index 



Cynthia cocoons, 55 

 Cypress trees, 332 



D 



Daisy, form of, 221, 222 

 Daphnia, 304, 305 

 Deer, 111, 113, 197, 275 



musk, 200, 201 



sounds of, 267 

 Dog, voice of, 267, 268 

 Dove, European turtle, 77 

 Drum-fish, 263 

 Ducks, 77, 78 



black, 86 



mallard, 212-215 



sheldrake, 111 



wood, 174, 288 



Eagle, 4, 129, 309 

 Egret, 110 



Elk, 111 



sounds of, 267, 275 

 Elephant, glands in temple of. 201 



trumpeting of, 266 



Finch, purple, 40, 41 



Fireflies, 218, 219 



Fish, in relation to trees, 323 



life of, 45 



names of, 278, 280 



senses of, 46, 47 



swimming-bladder of, 169 



voice of, 263, 264 

 Flakes, snow, see crystals 

 Fleas, snow, 11, 18 

 Flicker, 64, 177 

 Flycatchers, 74, 106, 129 



crested, 113 



least, 88, 89 

 Fox, 337 



voice of, 268 

 Frog, 113, 185-188 



as affected by trees, 323 



ear of, 264 



Frog, eggs of, 117 



names of, 277, 278 



voice of, 264, 265 

 Fundy, bay of, 146-171 



G 



Gecko, 265, 266 

 Goldfinches, 21, 97, 210, 211 

 Goose, Canada, 289 

 Crackle, 193, 286 

 Grebe, 261, 262 

 Grosbeak, rose-breasted, 105 

 Grouse, ruffed, 5, 77, 257 

 Gulls, sea, 90, 97, 193, 295-298 



H 



Hawk, flight of, 287, 288 



marsh, 70 



red-tailed, 175 



sparrow, 42, 176 

 Hepaticas, 83 

 Heron, great blue, 108, 188, 286 



European, 76 



little green, 108 



night, 143, 174 

 Hibernation, 58-62, 104 

 Holes, in February, 37-39 

 Horse, voice of when terrified, 267 

 Hummingbird, 74, 76, 78, 177, 178, 197 

 Hydra, 304 

 Hydroid, 160-161 



Indian-pipe, 239 



Individual, sacrifice of for good of race, 



282 

 Insects, fossil, 322 



keenness of scent in, 201 



music of, 202-207 



organ of hearing in, 204 



relation to trees, 323 



Jay, blue, 65 

 Jelly-fish, 154, 155 



Juncos, 7, 8, 85 



