| CHAPTER I. |
| PAGE |
| Early Impressions—First Observations of Monkeys—First Efforts to Learn their Speech—Barriers—The Phonograph Used—A Visit to Jokes—My Efforts to Speak to Him—The Sound of Alarm Inspires Terror | 1 |
| CHAPTER II. |
| The Reconciliation—The Acquaintance of Jennie—The Salutation—The Words for Food and Drink—Little Banquo, Dago, McGinty, and others | 14 |
| CHAPTER III. |
| Monkeys have favourite Colours—Can distinguish Numbers and Quantity—Music and Art very limited | 24 |
| CHAPTER IV. |
| Pedro's Speech Recorded—Delivered to Puck through the Phonograph—Little Darwin learns a new Word | 34
|
| CHAPTER V. |
| Five little Brown Cousins: Mickie, Nemo, Dodo, Nigger, and McGinty—Nemo apologises to Dodo | 47 |
| CHAPTER VI. |
| Dago Talks about the Weather—Tells me of his Troubles—Dodo in the "Balcony Scene"—Her Portrait by a great Artist | 59 |
| CHAPTER VII. |
| Interpretation of Words—Specific Words and Signs—The Negative Sign and Sounds—Affirmative Expressions—Possible Origin of Negative and Positive Signs | 69 |
| CHAPTER VIII. |
| Meeting with Nellie—Nellie was my Guest—Her Speech and Manners—The little Blind Girl—One of Nellie's Friends—Her Sight and Hearing—Her Toys, and how she Played with Them | 83 |
| CHAPTER IX. |
| Nellie's Affections—A little Flirtation—Some of my Personal Friends | 97 |
| CHAPTER X. |
| The Capuchin Vocabulary—What I have Found—What I Foresee in it | 105 |
| CHAPTER XI. |
| The Word for Food in the Rhesus Dialect—The Rhesus Sound of Alarm—The Dialect of the White-face—Dolly Varden, "Uncle Rhemus," and others | 111 |
| CHAPTER XII. |
| Atelles or Spider Monkeys—The Common Macaque—Java Monkeys, and what they say—A Happy Family | 121 |
| CHAPTER XIII. |
| The Extent of my Experiments—Apes and Baboons—Miscellaneous Records of Sound—The Vocal Index | 131 |
| CHAPTER XIV. |
| Monkeys and the Mirror—Some of their Antics—Baby Macaque and her Papa—Some other Monkeys | 138 |
| CHAPTER XV. |
| Man and Ape—Their Physical Relations—Their Mental Relations—Evolution was the Means—Who was the Progenitor of the Ape?—The Scale of Life | 146 |
| CHAPTER XVI. |
| The Faculty of Thought—Emotion and Thought—Instinct and Reason—Monkeys Reason—Some Examples | 156
|
| CHAPTER XVII. |
| Speech Defined—The True Nature of Speech—The Use of Speech—The Limitations of Speech | 169 |
| CHAPTER XVIII. |
| The Motives of Speech—Expression—The Beginning of Human Speech—The Present Condition of Speech | 177 |
| CHAPTER XIX. |
| Language embraces Speech—Speech, Words, Grammar, and Rhetoric | 183 |
| CHAPTER XX. |
| Life and Consciousness—Consciousness and Emotion—Emotion and Thought—Thought and Expression—Expression and Speech—The Vocal Organs and Sound—Speech in City and Country—Music, Passions, and Taste—Life and Reason | 190 |
| CHAPTER XXI. |
| Certain Marks which Characterise the Sounds of Monkeys as Speech—Sounds Accompanied by Gestures—Certain Acts follow certain Sounds—They acquire new Sounds—Their Speech addressed to certain Individuals—Deliberation and Premeditation—They remember and anticipate Results—Thought and Reason | 200 |
| CHAPTER XXII. |
| The Phonograph as an Aid to Science—Vowels the Basis of Phonation—Consonants Developed from a Vowel Basis—Vowels are Compound—The Analysis of Vowels by the Phonograph—Current Theories of Sound—Augmentation of Sounds—Sound Waves and Sound Units—Consonants among the Lower Races | 208 |
| CHAPTER XXIII. |
| The Human Voice—Human Bagpipe—Human Piccolo, Flute, and Fife—The Voice as a Whistle—Music and Noise—Dr. Bell and his "Visible Speech" | 219 |
| CHAPTER XXIV. |
| Some Curious Facts in Vocal Growth—Children and Consonants—Single, Double, and Treble Consonants—Sounds of Birds—Fishes and their Language—Insects and their Language | 224 |
| CHAPTER XXV. |
| Facts and Fancies of Speech—Language in the Vegetable Kingdom—Language in the Mineral Kingdom | 237 |
| CHAPTER XXVI. |
| THE SPEECH AND REASON OF DOMESTIC ANIMALS. |
| Dash and the Baby—Two Collies talk—Eunice understands her Mistress—Two Dogs and the Phonograph—A Canine Family—Cats and Dogs—Insects—Signs and Sounds | 246 |
