CONTENTS
| CHAPTER | PAGE | |
| I | The Six | [3] |
| II | The Fairy Tale and the True Story | [7] |
| III | The Building of the City | [11] |
| IV | The Cows | [16] |
| V | The Sheepfold | [20] |
| VI | The Wily Dervish | [25] |
| VII | The Numerous Family | [30] |
| VIII | The Old Pear-Tree | [37] |
| IX | The Age of Trees | [40] |
| X | The Length of Animal Life | [45] |
| XI | The Kettle | [49] |
| XII | The Metals | [52] |
| XIII | Metal Plating | [55] |
| XIV | Gold and Iron | [59] |
| XV | The Fleece | [64] |
| XVI | Flax and Hemp | [67] |
| XVII | Cotton | [71] |
| XVIII | Paper | [77] |
| XIX | The Book | [80] |
| XX | Printing | [84] |
| XXI | Butterflies | [88] |
| XXII | The Big Eaters | [93] |
| XXIII | Silk | [99] |
| XXIV | The Metamorphosis | [104] |
| XXV | Spiders | [108] |
| XXVI | The Epeira’s Bridge | [112] |
| XXVII | The Spider’s Web | [116] |
| XXVIII | The Chase | [120] |
| XXIX | Venomous Insects | [126] |
| XXX | Venom | [132] |
| XXXI | The Viper and the Scorpion | [136] |
| XXXII | The Nettle | [140] |
| XXXIII | Processionary Caterpillars | [144] |
| XXXIV | The Storm | [150] |
| XXXV | Electricity | [155] |
| XXXVI | The Experiment with the Cat | [160] |
| XXXVII | The Experiment with Paper | [163] |
| XXXVIII | Franklin and De Romas | [165] |
| XXXIX | Thunder and the Lightning-Rod | [172] |
| XL | Effects of the Thunderbolt | [179] |
| XLI | Clouds | [181] |
| XLII | The Velocity of Sound | [187] |
| XLIII | The Experiment with the Bottle of Cold Water | [192] |
| XLIV | Rain | [197] |
| XLV | Volcanoes | [201] |
| XLVI | Catania | [205] |
| XLVII | The Story of Pliny | [210] |
| XLVIII | The Boiling Pot | [216] |
| XLIX | The Locomotive | [221] |
| L | Emile’s Observation | [227] |
| LI | A Journey to the End of the World | [232] |
| LII | The Earth | [238] |
| LIII | The Atmosphere | [244] |
| LIV | The Sun | [250] |
| LV | Day and Night | [257] |
| LVI | The Year and Its Seasons | [264] |
| LVII | Belladonna Berries | [271] |
| LVIII | Poisonous Plants | [275] |
| LIX | The Blossom | [284] |
| LX | Fruit | [290] |
| LXI | Pollen | [295] |
| LXII | The Bumble-Bee | [301] |
| LXIII | Mushrooms | [307] |
| LXIV | In the Woods | [313] |
| LXV | The Orange-Agaric | [317] |
| LXVI | Earthquakes | [322] |
| LXVII | Shall We Kill Them Both? | [329] |
| LXVIII | The Thermometer | [334] |
| LXIX | The Subterranean Furnace | [337] |
| LXX | Shells | [344] |
| LXXI | The Spiral Snail | [349] |
| LXXII | Mother-of-Pearl and Pearls | [353] |
| LXXIII | The Sea | [358] |
| LXXIV | Waves Salt Seaweeds | [363] |
| LXXV | Running Water | [369] |
| LXXVI | The Swarm | [373] |
| LXXVII | Wax | [378] |
| LXXVIII | The Cells | [382] |
| LXXIX | Honey | [389] |
| LXXX | The Queen Bee | [395] |