| 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
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