GENERAL INDEX 



Republic, rescue of passengers Rev, Jean, experiments with air, 

 and crew due to submarine 

 signaling apparatus, 7, 88. 



Respiration, the function of, 4, 

 92; experiments in the mys- 

 teries of, 4, 93, 94; Erasmus 

 Darwin and vegetable, 4, 94. 



Restoration of Assyrian sculp- 



4,6. 

 Rhazes, Arabian physician, 2, 



24. 

 Ricard, Bishop, with Dr. Ather- 



stone made the first tests of 



South African diamonds, 9, 



ture, 4, 293. 



Retgers, Dutch mineralogist dis- 

 covers a colorless compound of 

 silver and thalium used in test- 

 ing the specific gravity of gems, 

 9, 33- 



Retrospect and Prospect, Chap- 

 ter IX, 6, 230. 



Retrospect and prospect, 6, 230 

 242; scientific attitude of 

 mind, 6, 230-232; natural 

 versus supernatural, 6, 233, 

 234; inductive versus deduc- 

 tive reasoning, 5, 235-238; 

 logical induction versus hasty 

 generalization, 6, 239-242. 



Retrospective Glance at Clas- 

 sical Science, A, Chapter XI, 

 1, 285. 



Retrospective glance, the span 

 from Thales to Galen com- 

 passed about eight hundred 

 years, 1, 286 ; the true hypoth- 

 esis concerning the sun and 

 the planetary system, 1, 287; 

 the beginnings of great things 

 in the sciences, 1, 288; the 

 homes of the great scientists 

 were scattered over a wide 

 territory, 1, 289; Plato the 

 only great scientist who was 

 born in Greece, ibid.; racial 

 mingling, 1, 290; early de- 

 velopment of thought and 

 Oriental science, 1, 291; the 

 entire school of Alexandrians 

 free from superstition, 1, 292; 

 the attitude of the Roman 

 mind towards science, ibid.; 

 beliefs based upon pseudo- 

 scientific inductions, 1, 294; 

 miracle workers, 1,295; " The 

 Thundering Legion," 1, 296; 

 Xiphilinus's account of the 

 battle between the Romans 

 and the hostile Quadi, 1, 297. 



316. 



"Riddle of the Sphinx," how 

 read, 4, 287. 



Rittenhouse and Hopkins, in- 

 vented and sent up a balloon, 

 7, 237. 



Roberts, Richard, improves the 

 self-acting mule, 9, 35. 



Robinet and the idea of the 

 transmutation of species, 4, 

 149. 



Rocket, description of the, 

 Stephenson's famous loco- 

 motive, 7, 133. 



Rocks, the origin of stratified, 

 3, 143; the "transition" and 

 "secondary" systems, 3, 156; 

 the Silurian and Devonian 

 systems, 3, 157; the Lauren- 

 tian system, ibid.; the forma- 

 tion of the Adirondack and 

 Storm King range are patri- 

 archs of the kind, 3, 158; dif- 

 ferent in character, 3, 159; 

 the backbone of the future 

 continent, 3, 161; the strata 

 of the Paleozoic period, 3, 

 162; the Rocky range, 3, 

 163. 



Roderick and Joseph, and 

 Martin de Bohemia, credited 

 with inventing the apparatus 

 known as the astrolabe, 7, 

 19. 



Roentgen, Professor Wilhelm 

 Conrad, the discoverer of the 

 "X-ray," 3, 248; its ex- 

 traordinary results on the 

 photographic film, ibid.; the 

 apparatus for producing the 

 rays, 3, 251; the composition 

 of the rays not fully deter- 

 mined, 3, 252. 



Rolando's method of cutting 

 pieces of brain tissue for 

 microscopical examination, 4, 

 277. 



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