INDEX. 



ABBOT, DB, FRANCIS ELLINGWOOD, on the scientific method, 61-75. 



Abiogenesis, 198, 199, 240. 



Adler, Prof. Felix, his school of philosophy and applied ethics, 77. 



Agassiz. Prof. Louis, 231. 232 ; his classification of animals, 209. 



Albertus Magnus, his botanical researches, 176. 



Alchemy, as related to chemistry, 126. 



Alfred Russel Wallace, 3-17. 



Alhazen, his contribution to optics, 263. 



Alleman. Dr. L. A. W., on optics as related to evolution, 263-284 ; in reply to 

 criticisms, 294. 



Allen, Grant, on the color sense, 250 ; as determined by sexual selection, 252. 



Allen, Dr. Joseph Henry, on the growth of philosophical systems, 78. 



Amazon, Wallace's discoveries on the, 4. 



Ambrose, his contributions to musical development, 389. 



Anderson, his chemical discoveries, 141. 



Antiseptics, 142, 143. 



Arago, 159. 



Archaeology, as related to evolution, 443-415. 



Architecture, beginnings of. 305 ; Gothic, origin of, 303, 322, 338 ; evolution of, 

 321-342 : of Egypt. 325-328. 329. 330, 331. 333 ; Doric and Ionic, 329-332 : Roman, 

 331-334 ; composite, 333 ; Byzantine, 335 ; Moorish, 336-337 ; American, 339, 

 341-342. 



Argyll, the Duke of, his Reign of Law criticised by A. R. Wallace. 7. 



Aristotle, prefigures natural selection, 104 ; his idea of chemistry. 126 ; opposed 

 by the Epicureans, 130, 131'; his botanical researches, 175 ; his classification 

 of animals, 205-206 ; his views on the development of human faculties, 345. 



Art, evolution of, 297-318 ; Byzantine, 367. (See Architecture, Sculpture, Paint- 

 ing, and Music.) 



Astigmatism, 270-271. 



Atomic theory, 130-140. 



Australia, its faunae studied by A. R, Wallace, 8. 



Avogadro, his atomic studies, 131-133 ; confirmation of his law, 133, 147. 



BACON, FRANCIS, 154. 



Bach, Sebastian, his influence on musical development. 393, 396-397, 401. 



Bad times, A. R. Wallace on, 10. 



Bain, Alexander, his psychology, 57. 58. 



Barry on the evolution of art in Greece, 365-366. 



Bartley, Dr. E. H., on the evolution of chemistry, 149. 



Bauhin, John, his work on botany, 177. 



Beckner, on phlogiston, 127. 



Beethoven, 398. 



Bell, Alexander Graham, his telephone, 161. 



Bergmann, his invention of the blow-pipe, 129. 



Berkeley, Bishop, his idealism, 85. 



Berzelius, his chemical researches, 131, 132. 



Black, his discovery of carbonic acid. 127. 



Bopp, Franz, his work on comparative philology, 443. 



Boroughs, Norman, on the mariner's compass, 154. 



Bossuet, on universal history, 435. 



Botany, evolution of. 173-195 ; as related to form and color, 247-250. 



Boughton, William H., in criticism of Herbert Spencer, 118-119. 



