KEY AND INDEX 



7, 1 60; an extraordinary 

 piece of legislation, 7, 161; 

 real progress of the automo- 

 bile due to the oil engine, 7, 

 163; scientific aspects of 

 automobile racing, 7, 164; 

 some records made at Or- 

 mond, 7, 165; records made 

 by Oldfield, 7, 166; com- 

 parative speeds of various 

 vehicles and animals, 7, 167; 

 a miraculous transformation 

 of energy, 7, 170. 



Avenzoar, Arabian physician, 

 2, 26. 



Averrhoes, commentator of Aris- 

 totle, 2, 10, 26. 



Avicenna, Arabian "Prince of 

 Physicians," 2, 24. 



Avogadro, Amadeo, 4, 43 ; law 

 of, 4, 57. 



Axe, modified form of lever, 6, 

 58. 



BABYLON, its fame at its height 

 in the time of Herodotus, 1, 

 57; in Babylonian science we 

 have the Eastern mind at 

 its best, 1, 61. 



Babylonia and Assyria, Scienc 

 of, Chapter III, I, 56. 



Babylonian astronomy, 1, 61, 

 62; adjustment of the calen- 



Bacqueville, Marquis de, his at- 

 tempt at aerial flight, 7, 229. 



Bacteria, discovery of, 2, 179; 

 their relation to fermentation 

 and to disease, 4, 218. 



Baeyer, produced indigo com- 

 mercially, 8, 313. 



Baglivi, Giorgio, distinguished 

 in medicine, 4, 182. 



Barlow, suggested that compen- 

 sation for deviation of the 

 compass be effected by the 

 adjustment of bodies of iron, 

 7, ii. 



Barnett, William, suggested 

 compressing explosive mix- 

 ture in cylinder of gas engine 

 before exploding it, 6, 138. 



Barometer, mercurial, invented 

 by Torricelli, 2, 122; statical, 

 invented by Boyle, 2, 205. 



Bastian, Professor, revived the 

 claims of Pouchet, 4, 180. 



Bay of Naples, the, fauna of, 

 5, 124; abundance of mater- 

 ial for biological study found 

 in, 6, 125; uses made of speci- 

 mens found in, in scientific 

 study, 5, 128. 



Bayley, Dr., expert in spectro- 



scopy, 5, 83. 

 rd. The 



Beard, Thomas, shoemaker who 

 came on the Mayflower, 9, 108. 



dar, 1, 63. Becquerel, Alexandre Edmond, 



Babylonian medicine, the prac- the first to take up specifically 



titioner of, occupied a posi- the matter of color-photog- 



tion of authority, 1, 75; his raphy, 8, 235. 



emoluments and penalties, 1, Becquerel, M. Henri, discovery 



76. 



Babylonian science, estimates 

 of, 1. 77; Canon Rawlinson 

 on, 1. 82; spelled supersti- 

 tion, 1, 85, 



Bachelder, John, improves 

 Howe's sewing machine, 9, 

 96. 



Bacon, Francis, influence on 



of a radio-active substance, 

 6, 98; "rays," 6, 100; 8, 220. 



Beginnings of Greek Science, 

 The, Chapter V, 1, 103. 



Beginnings of Modern Chemis- 



try, The, Chapter II, 4, n. 

 Behring's discovery of tetanus 

 and diphtheria antitoxine, 4, 

 242. 



science, 2, 192; indirectly a Belisarius, constructed floating 

 founder of the Royal Society, mills upon the Tiber, 6, 71. 



Bell, Prof. Alexander Graham, 

 made tests of Professor Trow- 

 bridge's instrument for trans- 



2, 201. 



Bacon, Roger, 2, 44; his use of 

 lenses, 2, 45; supposed in- 

 vention of gunpowder, 2, 46; 

 estimate of his work, 2, 46. 



atlantic communication, 8, 

 50; invents a practical tele- 



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