470 Index. 



Brock way, Albert L., on the evolution of architecture, 341-343. 

 Bruno, Giordano, his philosophy, 38 ; his scientific faith, 42. 

 Bttchner, Dr. Ludwig, his theory of mechanical force, 455. 

 Buffon, 206 ; his evolutionary views, 207-208. 

 Bunsen, his spectroscopic studies, 135. 

 Byron, Lord, 45. 



CALCAREOUS SPONGES, Haeckel on, 27. 



Canton, his discovery of electrical conduction, 156. 



Carlyle, Thomas, on man, 416. 



Carpenter, Dr. William B., on the genesis of intuitions, 91, 92. 



Carus, Dr. Paul, on monism, 33, and note ; his agnosticism, 37 ; his Fundamental 



Problems, 33 note, 38 note. 



Cavendish, his chemical discoveries, 129 ; his electrical researches, 156, 157. 

 Chadwick, Rev. John W., on Dr. F. E. Abbot's philosophy, 78-79 ; on art, 297 ; on 



the evolution of architecture, 321-340 ; in reply to criticism, 342. 

 Chemistry, evolution of, 125-148. 

 Christianity, its zoological symbolism, 204 ; as related to evolution, 223-227, 229, 



230 ; its influence on art, 306-309, 323, 355, 367-369, 372-377, 380 ; on music, 389, 



392-394 ; its law of liberty, 434 ; the doctrine of evolution its ally, 460. 

 Civilization, as affecting the human eye, 279-280, 291-293. 

 Clerk-Maxwell, his electrical researches, 157 ; his theory of light, 167. 

 Clusius, his botanical researches, 177-178. 

 Collateral readings, 2, 20, 60, 60, 84, 124, 152, 172, 202, 234, 262, 2%, 320, 344, 362, 382, 



406,434. 



Color, nature of, 236-237. 

 Color-sense, how developed, 281-284, 290-291. 

 Comte, Auguste, his ecclesiasticism. 32 note ; his positive philosophy, 33, 42, 43 ; 



his views on sociology and politics, 45 ; his unscientific spirit, 105. 

 Consciousness, not a property of matter, 35 ; correlated with physical changes, 



36 ; Herbert Spencer's conception or, 50-53 ; as related to external things, 



95 7 104 ; probabilities of, after death, 115 ; its relation to brain acting, 456-459. 

 Contributions to the theory of natural selection, 5. 

 Cope, Dr. Edward D., on Alfred Russel Wallace, 3-17 ; mentioned by William 



Potts, 245. 



Copernicus, 42, 43, 437. 

 Correlation and conservation of forces, 34. 

 Coulomb, his electrical researches, 156-157. 

 Cowperthwait, J. Howard, on the Puritan influence, 317-318. 

 Crookes, his chemical researches, 136. 

 Cuvier, his contributions to zoology, 206-207. 



DAI/TON, his law of multiple proportions, 129-130, 147 ; his atomic theory, 132, 139. 



Darwin, Charles, 207 ; his co-discovery with Wallace of the law of natural selec- 

 tion. 4-5 ; his theory defended by Wallace. 8-10 ; his neglect of the origin of 

 variations, 11-12 ; compared with A. R. Wallace, 16-17 ; his career and dis- 

 coveries, 21 ; his commendation of Haeckel, 26-27 ; his attitude toward 

 philosophy, 31 ; on Herbert Spencer, 91 ; his contribution to zoology, 209 ; on 

 sexual selection. >:>.> 253 ; on the evolution of the eye, 271 ; on the evolution 

 of music, 387 ; his theory of natural selection, 440-442 ; his relation to the 

 doctrine of evolution, 442-443. 



Darwin, Erasmus, 105, 208, 443. 



Darwinism. Wallace's work on, 8-10, 441 ; as related to zoology, 212 ; to the doc- 

 trine of evolution, 442, 443. 



Davidson, Prof. Thomas, on the evolution of sculpture, 345-356. 



Davy, Sir Humphry, his chemical discoveries, 128, 129 ; his electrical researches, 

 159 ; his carbon arc-light, 161. 



Dawson, Sir William, his criticism of Darwinism, 228. 



De Candolle, his botanical researches, 186. 



Democritus, his atomic theory, 130. 



Denslow, Prof. Van Buren, his criticism of Herbert Spencer, 108 ; replied to by 

 B. F. Underwood, 108, 109. 



Depression of trade, A. R. Wallace on, 10. 



Des Cartes, Rene, 42, 86. 



Dickerman, Lysander. on the art of Egypt, 357-358 ; referred to by Dr. Janes, 380. 



Doctrine of evolution, its scope and influence, 435-466. 



Du Bois-Reymond, on Spencer's reconciliation of intuition and experience, 92. 



EATON, PROP. AMOS, his contribution to botanical science, 191. 



Eccles, Dr. Robert G., in reply to T. B. Wakeman, 50-51 ; in criticism of Dr. F. E. 



