A HISTORY OF SCIENCE 



Royal Institute, founded 1801, 

 iv. 46; Humphry Davy as- 

 sumed chair of chemical phil- 

 osophy of, iv. 46. 



Royal Institution of Great Brit- 

 ain, foundation and founder, 

 v. 29, 30; methods and results 

 at, v. 33-38. 



Royal Society of London, the, its 

 origin, ii. 201; v. 14-28; 

 visitors to, v. 15; the lecture- 

 room of, v. 1 7 ; comparison be- 

 tween and the Royal Acad- 

 emy of Science of Berlin, v. 

 18; library and reading-rooms 

 of, v. 19; busts of distinguish- 

 ed members of, v. 20; price- 

 less relics in, v. 21, 22. 



Royal Swedish Academy, ii. 

 202. 



Riicker, Arthur William, per- 

 manent secretary, Royal So- 

 ciety of London, v. 17. 



Rumford, Count, and the vibra- 

 tory theory of heat, iii. 208; 

 his experiments to determine 

 the nature of heat, iii. 209; 

 determines that heat is a 

 form of motion, iii. 215; 

 showed that labor may be 

 transformed into heat, iii. 255 ; 

 founder of the Royal In- 

 stitution of Great Britain, v. 



3- 



Rush, Dr. Benjamin, leader in 

 reforms for care of insane, iv. 



245- 



Rutherford, Professor, explains 

 the presence of helium in 

 radium, v. 105; and the in- 

 stability of the atom, v. no. 



SABBATICAL DAYS, the four days 

 in the month set apart for 

 rest from work by the Assyr- 

 ians, i. 65; the foundation of 

 the Hebrew Sabbath, ibid. 



Saint - Hilaire, Etienne Goef- 

 froy, the doctrine of trans- 

 mutation championed by, iv. 

 161. 



Salerno, medical school at, ii. 29. 



Saliva, share in preparing food 

 for absorption, iv. 130. 



Sanctorius discovers "insensible 

 perspiration," ii. 187. 



"Sarcode," the fluid contents of 

 cells, iv. 124. 



Saturn, the discovery of the 

 inner rings of, by Bond and 

 Dawes, iii. 44; Maxwell's paper 

 "On the Stability of Saturn's 

 Rings," iii. 45-48. 



Savary, an astronomer of Paris, 

 iii. 58. 



Sayce, Professor, on Chaldean 

 superstitions, i. 70. 



Scandium discovered, iv. 68. 



Scheele, Karl Wilhelm, oxygen 

 and chlorine discovered by, 

 iv. 23; his discovery of chlo- 

 rine, iv. 25; believed in the 

 phlogiston theory, iv. 27; his 

 many discoveries, iv. 27, 28; 

 experiments in the mysteries 

 of respiration, iv. 93. 



Schiaparelli discovered that 

 meteor swarms move in the 

 orbit of a previously observed 

 comet, iii. 55. 



Schleiden, Dr. M. J., and the 

 cell theory, iv. 118. 



Schmerling, Dr., fossil remains 

 found by him in a cave in 

 Westphalia rejected by Cuvier, 

 iii. 103. 



Schmidt discovers the radio- 

 active properties of thorium, 

 v. 100. 



Schoenlein, J. L., discovery of 

 the cause of favus, iv. 208. 



Schools of physiological chemis- 

 try under guidance of Liebig 

 and Wohler in Germany and 

 Dumas in France, iv. 128. 



Schultze, Max, studies in proto- 

 plasm, iv. 125. 



Schwann, Dr. Theodore, re- 

 searches in animal cells, i v. 1 1 8 ; 

 famous cell theory, iv. 119- 

 122; discovered pepsin in gas- 

 tric juice, iv. 129; studies in 

 micro-organism, iv. 218; stud- 

 ies of the nerve tracts, iv. 258. 



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