| | PAGE | | I. | Science and Practice | 1 | | II. | University Training | 6 | | III. | Darwin’s Theory | 12 | | IV. | Darwin’s Discoveries | 18 | | V. | Darwin’s Theory Unshaken | 27 | | VI. | Metchnikoff and Tolstoi | 38 | | VII. | The Land of Azure Blue | 46 | | VIII. | Fresh-Water Jelly-Fishes | 58 | | IX. | The Story of the Common Eel | 65 | | X. | Modern Horses and their Ancestors | 77 | | XI. | A Rival of the Fabled Upas Tree | 91 | | XII. | Poisons and Stings of Plants and Animals | 100 | | XIII. | The Dragon: A Fancy or a Fact | 114 | | XIV. | Oysters | 128 | | XV. | Maternal Care and Molluscs | 143 | | XVI. | The Heart’s Beat | 147 | | XVII. | Sleep | 155 | | XVIII. | The Universal Structure of Living Things | 170 | | XIX. | Protoplasm, Life and Death | 180 | | XX. | Chemistry and Protoplasm | 187 | | XXI. | The Simplest Living Things | 193 | | XXII. | Tadpoles and Frogs | 209 | | XXIII. | About the Stars | 220 | | XXIV. | Comets | 227 | | XXV. | About Cholera |
| |
|
