Clearness of the Sky at the Cape of Good Hope 88 Coal Gas in Balloons, Use of 21 Cocoa-Nut Crab, The 50 Coffee-Tree, Transportation of the 127 Columbus' own Ship-Journal 70 Crawshays of Merthyr Tydvil, The 15 Cuvier and Napoleon 21 Cuvier, Childhood of 25 Cuvier, Homage to 14 Cuvier in London 39 Davy, Sir Humphry, Death of 13 Davy, Sir Humphry, as an Angler 93 Deaf, The, How they may Hear 68 Decline of Science, The 52 Dee, Dr., The Necromancer 117 Descartes' "Wooden Daughter" 51 Descent in a Diving-Bell, A 92 Diamonds, Celebrated 114 Discoveries Anticipated 54 Diving-Bell, First Use of the 103 Drummond Light, The 62 Drying Wood for Violins 69 Drymaking in Holland, A 137 Early Incitements (Humboldt's) to Study of Nature 72 Earthquakes, in Chile 38 Earthquakes, How to Measure 62 Electricity, The Velocity of 155 Electrifying Machine in Persia, An 60 El Dorado of Sir Walter Raleigh 65 Elgin Marbles, The 58 Experiments with an Electric Eel 79 False Anticipations of Railway Speed 14 Faraday as a Lecturer 88 Female Mathematician, A French 56 Ferguson, The Wife of James 92 Fire-proof House on Putney Heath 109 "Fossil Rain" 104 Fourdrinier's Paper-making Machinery 48 Fourier's Independence 56 Franklin's Discoveries 22 Gold in Siberia 83 Gutta-percha, Discovery of 20