INDEX 
Solitude, its effect on individu- 
ality, 118, 119. 
Sparrow, bush, or field sparrow 
(Spizella pusilla), nest of, 259. 
Sparrow, chipping (Spizella soci- 
alis), nest of, 142, 143, 259; 154; 
‘an unusual song of, 259. 
Sparrow, English (Passer domes- 
ticus), singing like a canary, 68, 
257; eggs of, 120; a case of blind 
instinct in, 160. 
Sparrow, song (Melospiza cine- 
rea melodia), a city girl’s im- 
pression of its song, 31; a tal- 
ented singer, 45; the “‘ Hermit’s” 
story, 93, 94; variability of, 
259. 
Sparrow, vesper (Powcetes gra- 
mineus), flight song of, 39; lark- 
like in color and markings, 40; 
wooed by a skylark, 40; low de- 
gree of variability in, 259. 
Spring, the real beginning of, 51, 
62 
Squirrel, gray, 75, 133. 
Squirrel, red, nesting-material of, 
20; astupid, 125; and chestnuts, 
132; and maple sap, 132; and 
green apples and pears, 133; 155, 
251. 
Squirrels, and chestnut burs, 3; 
their knowledge of nuts, 133; 
smelling with the whole body, 
133. 
Starling, red-shouldered, or red- 
winged blackbird (<Agelaius 
pheniceus), song of, 34. 
Stevenson, Robert Louis, on the 
English blackbird’s songs, 45. 
Sumac, fruit of, 254. 
Swallow, cliff (Petrochelidon luni- 
rons), nesting of, 155, 157. 
Swallows, 93. 
Swift, chimney (Chetura pela- 
gica), change of nesting-site, 8; 
getting nesting-material, 8,9; in 
the chimney, 9; a creature of 
the air, 9, 10; spring and fall 
congregations in large chim- 
neys, 10-13; drumming in chim- 
ney, 183. 
Swimming, 78, 79. 
Sycamore, fruit of, 251. 
Tanager, scarlet (Piranga ery- 
thromelas), nesting in a cherry 
tree, 6, 7. 
Teaching among animals, 83-94, 
233, 234. 
Telepathy, 96-98. 
Terns, 139. 
Thoreau, Henry D., his “ night- 
warbler,” 42, 153, 195, 203. 
Thrush, hermit (Hylocichla gut- 
tata pallasii), with an impedi- 
ment, 116. 
Thrush, song, in the Trossachs, 
46; and wooden eggs, 227. 
Thrush, Wilson’s. See Veery. 
Thrush, wood (Hylocichla muste- 
lina), nest of, 5; a “singing- 
school,” 94; nest-building of, 
113, 114, 155, 156; ways of, 113, 
114; song contest of, 114, 115. 
Toad, going into the ground, 49. 
Towhee. See Chewink. 
Training of Wild Animals, The, 
by Frank C. Bostock, 239-242. 
Traps, the fear of, 89. 
Tumble-bug, 26. 
Turkey, 75, 214. 
Van Dyke, Henry, his poem on the 
song sparrow, 31. 
Variation, 73; a less active prin- 
ciple now than formerly, 120; 
various degrees of, 120, 121; 
causes of, 121. 
Veery, or Wilson’s thrush (Hylo- 
cichla fuscescens), song of, 34, 35. 
Wallace, Alfred Russel, 87; on 
mimicry, 249, 251. 
Warbler, black and white creeping 
(Mniotilta varia), nest and egg 
of, 111. 
Warbler, grasshopper, 227. 
Warbler, yellow (Dendroica ces- 
tiva), and cowbird’s egg, 80, 156, 
157, 229. 
Ward, Lester F., his Pure Soci- 
ology, 112. 
279 
