A HISTORY OF SCIENCE 



Cassini, Dominic, a celebrated 

 French astronomer, iii. 13. 



Cathode rays, Sir William 

 Crookes experiments with, iii. 

 249; Professor Roentgen's dis- 

 covery of the remarkable 

 effects of, iii. 250-252. 



Cavendish, Henry, continued 

 Black's studies, iv. 13; dis- 

 covery that water is formed 

 by the combination of hydro- 

 gen and oxygen, iv. 14; con- 

 troversy with Watt, ibid,; ex- 

 periments with air, iv. 16; 

 discovery of nitrous acid, iv. 



*7- 



"Cedar of Lebanon," the, iv. 292. 



Cell contents, studies in, by 

 Von Mohl, iv. 123; observed 

 by Corti in 1774, iv. 124; 

 rediscovered by Treviranus in 

 1807, ibid.; filled with fluid 

 called "sarcode," iv. 124. 



Cell theory, Schwann and Schlei- 

 den and the, iv. 118-122; fore- 

 shadowed by Wolff and Trev- 

 iranus, iv. 122; elaborated, iv. 

 122-128. 



Cell walls of vegetables, Payen 

 and, iv. 124. 



Cells, essential structure of living 

 organism, iv. 129; principles 

 of mechanical construction of, 

 v. 225. 



Celsus, Cornelius, his manu- 

 script found in the fifteenth 

 century, ii. 40. 



Centrosome, discovered by Van 

 Beneden, v. 226. 



Chabas, a student of Egyptology, 

 i. 28. 



Chaldean, a name once synony- 

 mous with magician, i. 66. 



Chaldean magic, tablets relating 

 to, i. 70; symbolism of the 

 black and white cloth, i. 71; 

 song of the seven spirits, i. 

 72; exorcisms to ward off 

 disease, i. 73; birth portents, 

 ibid.; omens furnished by 

 dogs, i. 74. 



Chambers, Robert, his Vestiges 



of the Natural History of Crea- 

 tion, iv. 161; quotation from, 

 iv. 162-164. 



Champollion, Jean Francois, a 

 famous student of the science 

 of Egyptology, i. 27 ; decipher- 

 ment of the Rosetta Stone, iv. 

 290. 



Charcot, Dr., on the phenomena 

 of hypnotism, iv. 269. 



Charms and incantations, i. 46- 

 5 1 ; effect of a lock of hair or 

 nail parings incorporated in 

 a waxen figure, i. 46; the 

 magical spell of enemies the 

 source of all human ailments, 

 i. 47; efficacy of a beetle as a 

 medicinal agent, i. 48. 



Chemical affinity, iv. 57-64; 

 theory of digestion, iv. 88. 



Chemistry, the phlogiston theory 

 in, iv. 3-10; at the beginning 

 of the eighteenth century, iv. 

 1 1 ; Lavoisier and the founda- 

 tion of modern, iv. 28; since 

 the time of Dalton, iv. 38-72; 

 organic, iv. 53-56; foremost 

 workers in, iv. 55. 



Chicken cholera, Pasteur's ex- 

 periments with, iv. 232. 



Chloroform, pain dispelling 

 power of, discovered by Simp- 

 son, iv. 217. 



Cholera, researches in the pre- 

 vention and cure of, v. 184. 



Christian medical science, ii. 29. 



Christy, Henry, his discovery in 

 the caves of Dordogne, iii. 

 1 04 ; presumptive evidence that 

 man and the mammoth had 

 been contemporaries, iii. 105. 



Chromosomes, the study of, v. 

 133 ; Professor Weismann's the- 

 ory of heredity based on, v. 



134- 



"Circuit," electrical term coined 

 by Watson, ii. 285. 



Clark, Alvan, discovered the 

 dark companion of Sirius, iii. 

 66. 



Clerk-Maxwell, J., he charac- 

 terized the rings of Saturn as a 



276 



