INDEX 
izes nature, 190, 191; its in- 
fluence on modern literature, 
193, 194; its influence on re- 
ligion and politics, 194; tends 
to unify the nations, 194; and 
man’s life, 194-196; inade- 
quacy, 196; limitations, 301, 
302; proof its touchstone, 
301, 302. 
Selection, natural and artificial. 
See Natural selection. 
Shawangunk Mountains, geol- 
ogy, 60, 109. 
Skunk, 16. 
Slate, 45. 
Soddy, Frederick, quoted, 249, 
250. 
Sound, nature of, 289. 
Sparrow, song, in Georgia, 90- 
92, 96, 97, 100, 101; scratch- 
ing, 97; migration, 98, 99. 
Sparrow, white-crowned, song, 
120. 
Sparrow, white-throated, in 
Georgia, 90-93, 96, 97, 100, 
101; migration, 99. 
Speculation, and experiment, 
2938, 294. 
Spencer, Herbert, his mechan- 
istic philosophy and juice- 
less style, 188, 189; his idea of 
the evolution of life, 303, 304. 
Spiders, female eating male, 
79, 80. 
Squirrel, gray, 10, 86. 
Squirrel, red, 4; more energetic 
and a more miscellaneous 
feeder than the gray, 86. 
Squirrels, tails, 10. 
Struggle for life, 95, 96, 285, 
286. 
Supernatural, the, in literature, 
193. 
Tanager, scarlet, 6. 
Tennyson, Alfred, quoted, 115. 
Thistle, Canada, 87. 
Thorn, red, and cattle, 258-260. 
Thrush, hermit, 5; feeding in a 
dooryard, 93, 94. 
Trees, fall of, 105, 106. 
Tuckahoe, 123. 
Tyndall, John, his scientific 
faith, 165; on the analytic 
and the synthetic types of 
mind, 182; his literary gifts, 
182, 185, 187; quoted, 185, 
188, 308; on the origin of life, 
219-222, 308. 
Universe, the mind in, 125-130; 
godlessness, 130. 
Veronica, field, 88. 
Vitality, degrees of, 282-284. 
Wallace, Alfred Russel, his sci- 
entific faith, 163, 164; his 
anthropomorphism, 190. 
War, the European, 107, 108, 
158, 228. 
Warbler, black-poll, 
and song, 115. 
Warbler, black-throated green, 
on the ground, 114. 
Warbler, blue-winged yellow or 
blue-winged, 112. 
Warbler, chestnut-sided, on the 
ground, 114, 115. 
Warbler, golden-winged, song, 
113, 114. 
Warbler, Wilson’s, or Wilson’s 
black-cap, 115. 
Warbler, yellow redpoll or yel- 
low palm, 113. 
Waterfalls, in Catskills, 45, 46. 
Weasel, 87; boldness, 16; and 
chipmunk, 17, 18; blood- 
thirstiness, 17. 
Weismann, August, 80, 124; 
his conception of the posi- 
tive character of natural se- 
lection, 262-264, 266, 267. 
Whitman, Walt, 299; quoted, 
coloring 
315 
