KEY AND INDEX 



summary of his doctrines as Ramony Cajal, Dr. S., demon- 



quoted by Diogenes, 1, 122; 

 an agnostic as regards the 

 current Greek religion, 1, 127. 



QUADRANT, the instrument de- 

 vised by Hadley for measur- 

 ing the altitude of astronom- 

 ical bodies, 7, 20. 



Question as to living forms on 

 other worlds, 6, 220. 



Quinine, its introduction, 2, 185. 



Quinquet, an oil lamp invented 

 by him, 6, 205. 



RABIES, or hydrophobia, slow in 

 development, 6, 182 ; its treat- 

 ment by inoculation at the 

 Pasteur Institute, 6, 183. 



Rackenzaun, Anthony, his work 

 on storage-battery systems, 

 7. 189. 



Radio-active bodies, nature of 



stration of independent nerve 

 filaments, 4, 283; importance 

 of discovery, 4, 285. 



Ramsay, Sir William, and new 

 gases, 6, 82-92; laboratory 

 and equipment of, 5, 83; 

 characterizes the importance 

 of industrial chemistry , 6, 299. 



Rankine, William John Mac- 

 quorn, had a part in perfect- 

 ing theory of steam engine, 

 6, 115. 



Raphael, took active interest in 

 copper engraving, 8, 194. 



Rawlinson, Canon, his estimate 

 of Babylonian influence, 1, 

 82; contrasted with that of 

 Diodorus, 1, 83. 



Rawlinson, Sir Henry, "father 

 of Assyriology," 4, 229; 6, 9; 

 helped to decipher the Assy- 

 rian hieroglyphics, 8, 228. 



emanations from, 6, 102; dif- Rayleigh, Lord of the Royal 



ferent kinds of rays produced 

 by, 6, 103; source of energy 

 of, 5, 1 06; suggestion that 

 this energy may some day be 

 utilized in the propulsion of 

 mechanisms, 6, 318. 

 "Radio-activity," 5, 97102; so 



Institution, experiments with 

 gases, 6, 85; his laboratory 

 experiments with the fixa- 

 tion of nitrogen, 6, 306. 

 Raynaud, invented a moving- 

 picture machine called the 

 praxinoscope, 8, 249. 



termed by Madame Curie, 6, Reade, Rev. J. B., discoverer of 



101; source of energy of, 6, 

 106; and the structure of the 

 atom, 6, 107; discovered by 

 Becquerel, 8, 220. 



a " gallo-nitrate process," 8, 

 228. 



Re, Filipo, his theories of radio- 

 activity, 6, i 06. 



Radiolarians, the discovery of Reaumur, Ren6, the stomach 



numerous species by Ernst 

 Haeckel, 6, 154; part played 

 in evolution, 6, 155. 

 Radium, discovered by Pierre 

 Curie and his wife, 5, 100; 

 power of, in penetrating sub- 

 stances, 5, 101, 102; an ele- 

 mentary substance, 6, 104; 

 Ramsay's experiments with, 

 ibid.; presence of helium in, 



5, 105; methods devised for 

 testing heat given off by, 6, 

 no; its heat-giving qualities, 



6, 21 1 ; amount of energy 

 stored in, 6, 318. 



Ramillies, attacks on, by sub- 

 marines, 7, 102. 



as a grinding or triturating 

 organ, settled by, 4, 88; his 

 experiments with gastric juice, 

 4,8 9 . 



Red corpuscles of the human 

 blood, shape of, settled by 

 Joseph Jackson Lister, 4, 

 114; functions of, 4, 135. 



Refrigerator machines, use of 

 liquefied gases in, 5, 6163. 



Rembrandt, the famous painter 

 also a master etcher, 8, 196. 



Renard and Krebs, constructed 

 La France, a motor-driven 

 balloon, 7, 264. 



Renucci, F., and the itch mite, 

 4, 206. 



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