778 



INDEX. 



opposed metaphysics, 75 ; influence 

 of, on German thought and literature, 

 212 ; sceptical philosophy of, replied 

 to by Kant, ib. ; and Kant, 219 ; in- 

 tercourse with French thought, 268 ; 

 influence of, '273; ii. 279 ; and German 

 criticism, 323 ; 326 ; psychology, 497 ; 

 genetic view, 506 ; the study of 

 mankind, 529 ; quoted, 555. 



Hunter, John, English medical science, 

 i. 208 ; anatomist, 283 ; ii. 247. 



Hunter, John and William, no connec- 

 tion with the English universities, i. 

 272. 



Hutton, James, a follower of Boscovich, 

 i. 359 ; study of fossil remains, ii. 

 225 ; Cuvier's "catastrophism," 250 ; 

 school of geology, 291 ; genetic view 

 in geology, 330 ; 364 ; and Jameson, 

 services to the study of natural his- 

 tory, i. 283 ; 290. 



Huxley, T. H., 'Lay Sermons' and 

 other writings, i. 193, 201 ; quoted, 



193, 292, ii.'^252, 256, 257, 348, 376, 

 405, 448; 'American Addresses,' i. 



194, ii. 364 ; on individuality of 

 English scientists, i. 250 ; ' Science 

 and Culture,' 282; 'Essay on Geo- 

 logical Reform,' 283; 'Geological 

 Reform ' quoted, 291 ; ' Critiques and 

 Addresses,' 298; 'Life of Charles 

 Darwin,' 310 ; on Whewell and the 

 mechanical equivalent of heat, ih. ; 

 'Scientific Aspects of Positivism,' 

 310; onComte, 'Lay Sermons' quoted, 

 ii. 37 ; extract from " Lecture on the 

 Study of Biology," 217 ; quotation 

 from 'Life of Richard Owen,' 222; 

 Goethe's ideas, 244, 246 ; Cuvier's 

 work, 248 ; quoted on vertebral 

 theory of the skull, 251 ; on Hum- 

 boldt, 253; the term "homology," 

 259 ; on Cuvier and Oken, 260 ; 

 268; "Evolution in Biology," 278, 

 297, 347 ; controversy with Kelvin, 

 284; on Hutton, 291, 292; and 

 Von Baer, 299, 302; 305; historical 

 connection of Lamarck's ideas, 309 ; 

 "Biology," 313; 321 ; theory of de- 

 scent in France and Germany, 322 ; 

 "Agnosticism," 326 ; "Reception of 

 the 'Origin of Species,'" 327 ; 329 ; 

 address to the Geological Society, 

 363; 'On Descartes,' 378; "vital- 

 ism," 406; 411 ; "On the Cell Theory," 

 423 ; history of Biogenesis, 451 ; the 

 ubiquity of life, 452 ; psycho-physi- 

 cal parallelism, 519 ; theory of reflex 

 action, 520. 



Huygens, Chr., variation of gravity in 

 different latitudes, i. 99 ; 103 ; the 

 theory of probabilities, 120 ; mechan- 

 ical laws established by, 317 ; New- 

 ton and, ib. ; formulte of, 335 ; 

 mechanical explanation of gravita- 

 tion ; 342, 351 ; phenomena of gravi- 

 tation, 353 ; 389 ; kinetic view of 

 nature, ii. 6 ; 8 ; followed by Young, 

 9 ; the theory of light, 13, 14, 17 ; 

 periodic wave-motion, 21 ; 'Traite de 

 la Lumiere,' 22 ; motion of light, 42 ; 

 conservation of energy, 99, 100 ; on 

 probability, 565, 568. 



Hyatt, A., neo-Lamarckian, ii. 351. 



Ideal elements, ii. 664 ; Poncelet on, 

 674 ; numbers, 727 ; Kummer's, 728. 



Ideals of life during nineteenth cen- 

 tury, i. 32. 



Ideas, migration of, i. 29. 



Ideologues, Napoleon and the, i. 152 ; 

 ii. 3'23. 



Imaginary, the, Cayley on, ii. 716. 



' Index Lectionum ' of Gottingen Uni- 

 versity, i. 165. 



Individualism of English character, i. 

 279. 



Individuality the centre of interest of 

 the sciences, i. 125 ; ii. 746. 



Individuation, ii. 415. 



Inductive reasoning in England, i. 103. 



Infinite, the, ii. 643, 735 ; Hobson on, 

 736. 



Infinitesimal methods, necessity of de- 

 veloping, i. 373. 



Infinitesimals, method of, ii. 706. 



Inheritance, inarticulate, ii. 615. 



Inquiry, scientific method of, i. 30. 



Institute, French, reports of, i. 149. 



Institution, Royal, i. 264. 



Interests, human, unity of, i. 33. 



Introspective method, ii. 527. 



"Invariants," doctrine of, ii. 140, 676 ; 

 MacMahon on, 676 ; history of, 677 ; 

 unknown to Pliicker, 677 ; Sylvester 

 on, 684 ; diflerent methods in, ib. 



Inventions, accidental, in sixteenth, 

 seventeenth, and eighteenth centuries, 

 i. 91. 



Inverse operations, ii. 639, 727. 



"Ions, migration of," ii. 164; 198. 



Ireland, Alexander, on authorship of 

 the 'Vestiges,' ii. 318. 



Irvine, Dr, the term "capacity" first 

 used by, ii. 102. 



Isenkrahe, C, 'Das Rathsel von der 

 Schwerkraft,' i. 341, 342, 343, 377 ; 

 refers to Euler's ether theory, ii. 8. 



