Part 28

Thrush, Wilson's. See Veery.

Thrush, wood (Hylocichla mustelina), 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 principle now than formerly, 120; various degrees of, 120, 121; causes of, 121.

Veery, or Wilson's thrush (Hylocichla fuscescens), song of, 84, 85.

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 (Dendroioa æstiva), and cowbird's egg, 80, 156, 157, 229.

Ward, Lester F., his Pure Sociology, 112.

Wasps, solitary, ways of, 116-118; instinct in, 158, 159; intelligence of, 164.

Wasps, stinging instinct in stingless, 169, 170.

Waxwing, cedar. See Cedar-bird.

Weasel, rescuing young, 24.

White, Gilbert, on the swallow's nest-building, 167, 168, 203; his account of his old tortoise, 207.

Whitman, Walt, quoted, 206.

Wolf, prairie. See Coyote.

Wolves, 66.

Wood-borers, 49, 50.

Woodchuck, 72.

Woodcock (Philohela minor), song and song flight of, 42, 43.

Woodpecker, downy (Dryobates pubescens medianus), dispossessed by flying-squirrels, 20; trying to evict a hairy woodpecker, 21.