Part 43

Temperament, 43.

Temperate zone, 131.

Tendency, 97.

Tertiary animals, 131.

Thaw, 135, 151, 168.

Thicket, 16, 75, 118, 122.

Thistle-down, 30, 64.

Thistles, 59, 64, 74, 75, 135.

Thorax, 86, 95, 102, 105.

Thoreau, 177.

Thrasher, 49.

Thread, 84, 87, 88.

Thrushes, 8, 9, 16, 30, 42-46, 48, 51, 62, 190.

Thunder-storm, 182.

Tide, 204.

Tiger, 199.

Timber, 181.

Timbre, 200.

Timothy, 64.

Toads, 19, 50, 132, 155.

Towhee, 182.

Track, 148, 156, 161, 162.

Trail, 177, 178, 183.

Trail-horse, 177.

Transmutations, 60.

Tree ferns, 117.

Tree-sparrows, 70, 155, 162.

Tree-swallows, 19, 25.