PAGE I. WAYS OF NATURE 1 II. BIRD-SONGS 29 III. NATURE WITH CLOSED DOORS 47 IV. THE WIT OF A DUCK 53 V. FACTORS IN ANIMAL LIFE 59 VI. ANIMAL COMMUNICATION 87 VII. DEVIOUS PATHS 109 VIII. WHAT DO ANIMALS KNOW? 123 IX. DO ANIMALS THINK AND REFLECT? 151 X. A PINCH OF SALT 173 XI. THE LITERARY TREATMENT OF NATURE 191 XII. A BEAVER'S REASON 209 XIII. READING THE BOOK OF NATURE 231 XIV. GATHERED BY THE WAY I. THE TRAINING OF WILD ANIMALS 239 II. AN ASTONISHED PORCUPINE 242 III. BIRDS AND STRINGS 246 IV. MIMICRY 248 V. THE COLORS OF FRUITS 251 VI. INSTINCT 254 VII. THE ROBIN 261 VIII. THE CROW 265 INDEX 273 I WAYS OF NATURE