mplexity of Animal Structure 101
Length of Life 102
On Individuality 104
Animal Immortality 112

CHAPTER IV

ON PLANT LIFE 115

Structure of Flowers 128
Insects and Flowers 134
Past History of Flowers 136
Fruits and Seeds 137
Leaves 138
Aquatic Plants 144
On Hairs 148
Influence of Soil 151
On Seedlings 152
Sleep of Plants 152
Behaviour of Leaves in Rain 155
Mimicry 156
Ants and Plants 156
Insectivorous Plants 158
Movements of Plants 159
Imperfection of our Knowledge 163

CHAPTER V

WOODS AND FIELDS 165

Fairy Land 172
Tropical Forests 179
Structure of Trees 185
Ages of Trees 188
Meadows 192
Downs 194

CHAPTER VI

MOUNTAINS 201

Alpine Flowers 205
Mountain Scenery 206
The Afterglow 213
The Origin of Mountains 214
Glaciers 227
Swiss Mountains 232
Volcanoes 236
Origin of Volcanoes 243

CHAPTER VII

WATER 249
Rivers and Witchcraft 251
Water Plants 252
Water Animals 253
Origin of Rivers 255
The Course of Rivers 256
Deltas 272

CHAPTER VIII

RIVERS AND LAKES 277

On the Directions of Rivers 279
The Conflicts and Adventures of Rivers 301
On Lakes 312
On the Configuration of Valleys 323

CHAPTER IX

THE SEA 335

The Sea Coast 337
Sea Life 344
The Ocean Depths 351
Coral Islands 358
The Southern Skies