INDEX. 



619 



CON 



Conditions of successful research, 



462-464 



reasoning, 332, 343 



high imaginative power, 361 



Conducting an experiment, 311, 



317 



power of charcoal for voltaic 

 electricity, 535 



for heat and electricity, 

 discovery of a connection be- 

 tween, 583 



Connection of phenomena, how 

 discovered, 389 



between atomic number and 

 magnetic capacity, 583 



conduction of heat and that 



of electricity, 583 

 Consciousness, change a necessary 



condition of, 36-37 



what is it ? 38-39 



not a criterion of truth, 38, 

 101-104, 153 



deceptive nature of, 114,117,145 

 Conservation of matter and en- 

 ergy, 160-161 



discovery of the prin- 

 ciple of, -585 



Consistency of true theories, 155- 

 156 



Conspicuous instances, 85 



value of, 200 



discovery by examining, 500 



Contact, discovery by examining 

 the effects of, 557 



Continuity of liquid and gaseous 

 states, discovery of, 559 



predicted by Herschel, 



230-231 



the law of in research, 611-612 

 Contradiction, the law of, 343 



a proof of error, 94, 137, 138 

 Contradiction, apparent, as a sign 



of truthfulness, 104, 603 

 Contradictory propositions, 89 

 Controversy, its influence on re- 

 search, 303 



Converse experiments, discovery 

 by making, 548-549 



principles, discovery by assum- 

 ing, 522, 523 



CUM 



Correlation of forces, 163-164 

 all the physical powers, hy- 

 pothesis of the, 519-520 

 Cosmopolitan observation, 323-324 



promotion of scientific research, 

 288 



Cost of the Koyal Society Cata- 

 logue of scientific papers, 220- 

 221 



Coulomb's discoveries and inven- 

 tions, 480, 494, 538, 592 



hypothesis of universal mag- 

 netism, 511 



Courtois's discovery of iodine, 506 

 Creative power not vouchsafed to 



man, 17, 169 

 Creator, the idea of a, 49-50, 403- 



404, 409-410 

 Criteria of scientific truth, 18, 



153-157 

 Crookes's discoveries, 479, 494, 



506-507, 518 

 Crosse's employment of electric 



' exploring wires,' 481 



discovery of artificial formation 

 of minerals, 557-558, 561 



Cruickshank's discoveries, 483, 

 554, 568 



Crystalline forms of calcic car- 

 bonate, 34 



Crystal of alum, its self -repairing 

 power, 34 



Crystals, arrangement of accord- 

 ing to geometrical forms, 601 



discovery of the effects of mag- 

 netism on, 562 



discovery of polarisation of 

 light by, 566 



of a connection of electrical 



property and molecular struc- 

 ture in, 581 



of unequal elasticity in, 573 



of derivative forms of, 601 



of a relation between mole- 

 cular structure and expansion 

 of, 581 



optical properties and 



the forms of, 581-582 

 Cumming's and Clarke's discovery 

 in electro-magnetism, 539 



