GENERAL INDEX 



of organic substances, 4, 55; 

 his experiments in electro- 

 magnetism, 6, 176. 



Anaesthetics, use of, in the dark 

 age, 2, 35. 



Anaesthetic power of chloro- 

 form and ether, 4, 217. 



Anatomy and physiology in the 

 eighteenth century, Chapter 

 IV, 4, 73. 



Anatomy and physiology in the 

 nineteenth century V, 4, 102. 



Anaxagoras, banished from 

 Greece, 1, 141; his theories 

 about the sun and the planets, 

 1, 143; alleged prediction of 

 the fall of the famous meteor 

 at -fEgespotomi, 1, 144; his 

 explanation of the origin of the 

 heavenly bodies, 1, 145; a 

 clear conception of the idea of 

 universal gravitation, 1, 146; 

 the first to explain the phases 

 of the moon, 1. 147; his 

 theory of the Milky Way, 1, 

 150; "the father of meteor- 

 ology," 1, 151; his specula- 

 tions concerning thunder and 

 lightning, 1, 152; his idea 

 that fishes respire air through 

 their gills, "attracting" it 

 through water, 1, 153; his 

 speculations as to natural 

 objects, 1, 154; he claimed 

 that every unit or atom in 

 nature was unchangeable and 

 indestructible, 1, 155; the 

 distinction between molecu- 

 lar processes and atomic 

 processes, 1, 158; nous, the 

 omnipotent artificer of the 

 material universe, 1, 159; 

 the most farseeing scientific 

 imagination of pre-Socratic 

 antiquity, 1, 161; the founder 

 of the atomic theory, 1, 169; 

 he took account of the hypo- 

 thetical counter-earth in his 

 explanation of the eclipses, 

 1, 216; conceived the idea of 

 universal gravitation before 

 Newton, 2, 236. 



Anaximander, iir-entpr of the 

 sun-dial, 1, 109; his concep- 



tion of the form of the earth, 



1, up; the first teacher of' 

 organic evolution, 1, in. 



Anaximenes, assisted in perfect- 

 ing the sun-dial, 1, 109. 



Animal kingdom, new classifica- 

 tion of, by Cuvier, 4, 102. 



Animals, domestic, man's use 

 of, in the conquest of nature, 

 6, 59- 



Animists' system, theory of, 4, 

 185. 



Anschutz, his interest in the 

 development of chrono-pho- 

 tography, 8, 250. 



Anthrax, cause of, 4, 227, 228; 

 sheep and cattle given im- 

 munity from, at the Pasteur 

 Institute, 6, 185. 



Anthropology, problems in, 6, 

 228; its position to-day, 5, 

 229. 



Antipater, his epigram showing 

 that windmills existed in the 

 time of Augustus, 6, 71. 



Anti-rabic treatment given at 

 the Pasteur Institute, 5, 183. 



Antisepsis, Lister's discovery of, 

 4, 229. 



Arabian hospitals, 2, 26. 



Arabian learning, its subjects, 



2, 13; mathematics, 2, 14; 

 astronomy, 2, 14-17; optics, 



2, 18; chemistry, 2, 20; medi- 

 cine, 2, 21. 



Arabian method of earth-meas- 

 urement, 2, 14. 



Arabian numerals, period of 

 their invention, 2, 13. 



Arabians, Mediaeval Science 

 Among the, Chapter II, 2, 



Arabic translations, 2,9- 

 Arago, Dominique Francois, a 

 convert to Fresnel's wave 

 theory, 3, 226; demonstrated 

 that electricity not only in- 

 fluenced a magnet, but ac- 

 tually produced magnetism, 



3, 239; constructed a device 

 in which a metal disk was 

 made to revolve in the pres- 

 ence of a current of electricity, 

 6, 176. 



[159] 



