INDEX 
Gophers, an interesting incident, 
237, 238. 
Grackle. See Crow blackbird. 
Grebe, and loon, 235, 236. 
Gregariousness, its effect on indi- 
viduality, 118, 119. 
Groos, Karl, his work on The Play 
of Animals, 87, 100. 
Grouse, flight of, 4. 
Grouse, ruffed (Bonasa’-umbel- 
lus), 71, 94; drumming of, 177, 
257; the ‘‘ Hermit’s ” incredible 
story of a, 179, 180; feeble vocal 
powers of, 257. 
Grouse, spruce, or Canada grouse 
(Canachites canadensis cana- 
ce), 260. 
Hamerton, Philip Gilbert, his 
Chapters on Animals, 124; 237. 
Hawk, broad - winged (Bzuteo 
platypterus), 74. 
Hawk, fish, or American osprey 
(Pandion haliaétus  carolt- 
nensis), 213. 
Hawk, marsh (Circus hudsonius), 
a young, 99. 
Hawk, red-shouldered (Buteo li- 
neatus), 222, 223. 
Hawk, red-tailed (Buteo borealis 
and subsp.), 102. 
Hawks, alleged mimicry among, 
248, 249. 
“Hermit,” his false natural his- 
tory, 93-95; his stories of cow- 
birds and a grouse, 178, 179. 
Hibernation, 48, 49. 
Hickory nut, 251, 252. 
Home Life on an Ostrich Farm, 
135, 136. 
Homing instinct, the, a remark- 
able trait, 53; an instance of its 
workings, 53-57; 99; nature of, 
235. 
Honeysuckle, a shoot of, 24, 25. 
Horses, ignorant fear in, 123; self- 
destruction of, 146; 162; a mare 
and her blind companion,226,227. 
Hyla, peeping, hibernation of, 48; 
a second period of peeping, 231, 
232, 
Indigo-bird (Cyanospiza cyanea), 
flight song of, 44. 
Individuality, effects of solitude 
and gregariousness upon, 118, 
119. 
Industries of Animats, 137. 
Inferences, right, 231-238. 
Insects stilled by the cold, 49, 50. 
Instinct, 1; demoralized, 73, 74; 
one instinct overcoming an- 
other, 74; makes up nine tenths 
of the lives of our wild neigh- 
bors, 74; a kind of natural rea- 
son, 76; in connection with par- 
asitism, 79, 80; importance of, 
81; origin and development of, 
81, 82; not always inerrant, 155; 
machine-like action of, 158, 159; 
non-progressive, 212; nature of, 
254-257; variability of, 257-261. 
Jackals, 142. 
Jackdaw, the Bishop of Carlisle’s 
story of a, 148. 
Jay, blue (Cyanocitta cristata), 
Mr. Keyser’s young bird, 69, 
70; hiding instinct of, 161; 251, 
263. 
Jay, Canada (Perisoreus canaden- 
sts), 204, 260. 
Jefferies, Richard, 131, 197, 203. 
Jesse, Edward, his story of some 
swallows, 148. 
Katydids, 49. 
Kea, 260, 261. 
Kearton, Richard, his story of an 
osprey, 137; on the wren’s nest, 
138, 139; on a colony of terns, 
139; his experiments with 
wooden eggs, 227, 228; on instinct 
in animals, 257. 
Keyser, Leander §S., his experi- 
ments with young birds, 69, 
70. 
Kingbird (Tyrannus tyrannus), 
177. 
Kipling, Rudyard, his Jungle 
Book, 14; his The White Seal, 
14, 
Kittens, 75. 
276 
