INDEX. 



781 



Kolliker, von, quoted, ii. 401 ; "idio- 



plasma," 448. 



Konig, Ed., on Wundt, ii. 513. 

 Ko'nig, H., ' G. Forster in Haus und 



Welt,' i. 179. 

 Kdnigsberger, L. , ' Zur Geschichte der 



Theorie der elliptischen Transcen- 



denten,' i. 185, ii. 648. 

 Kopke, Rudolf, 'Die Griiudung der 



Koniglicheu-Wilhelms-Universitat zu 



Berlin,' i. 263. 

 Kopp, Hermann, on the reports of 



Berzelius, i. 42 ; ' Die Entwickelung 



der Chemie,' 115, 246, 418, 419, ii. 154; 



' Geschichte der Chemie,' i. 175, 188, 



191, 308 ; quoted on Lavoisier, 386, 



387; quoted, 391, 393, 398, 407, 



421 ; 422 ; electro - chemical theory, 



405 ; 408 et seq., 413 ; Avogadro's 



hypothesis, 428 ; on J. Black, ii. 102 ; 



founded physical chemistry, 152 ; 157. 

 Kossak, E., on Weierstrass, ii. 712 ; 734. 

 Kotter, E., on Poncelet's principle of 



continuity, ii. 660 ; on von Staudt, 



OtfL 



" Kreislauf des Lebens," ii. 395. 

 Kronecker, ii. 727, 729 ; on arithmetis- 



ing, 738. 

 Kronig, A., 'Grundziige einer Theorie 



der Case,' i. 433 ; ii. 162 ; 179. 

 Krug, representative of encyclopaedic 



teaching, i. 38. 

 Kummer, ii. 680, 726 ; ideal numbers, 



728. 

 Kundt (see Christiansen), ' Die neuere 



Entwicklung der Electricitatslehre,' 



i. 380. 

 Kuntze, quoted in reference to the 



brothers Weber, i. 197 ; biography of 



G. T. Fechner, 200 ; ii. 508. 



La Beche, de, palajontological work of, 

 i. 139. 



Lacepede, i. 119. 



Lacroix, geometry, i. 44 ; ' Differential 

 and Integral Calculus,' 233 ; student 

 at Ecole normale, 237 ; ii. 643, 686. 



Ladenburg, ' Vortrage uber die Ent- 

 wicklungsgeschichte der Chemie,' ii. 

 158. 



'Ladies' Diary, 1 i. 236, 238, ii. 679. 



Laennec, French medical science, i. 208. 



Lagrange, mechanics, i. 44 ; general 

 methods of, 45 ; adapts the calculus 

 to the problems of the 'Principia,' 

 1C2 ; ' Mecanique analytique,' 105, 

 ii. 100; mathematics at the "Ecole 

 normale," i. 112 ; 113, 148, 181, 200, 

 234 ; 237 ; analytical methods of, 



271 ; " potential function," 316 ; 319; 

 theories elaborated by Gauss, 331 ; 

 ii. 5 ; mathematical study ol vibra- 

 tions, 16 ; analytical school of, 100 ; 

 dynamics, 138 ; his system mathe- 

 matical, 144 ; 467, 510, 572 ; theory 

 of error, 575 ; 637 ; on fundamental 

 questions, 656 ; 669, 680, 690 ; and 

 Weierstrass, 693-695, 706. 



Laguerre, ii. 715. 



Lakanal on the Ecole normale, i. 109, 

 112 ; quoted, 111 ; 113 ; obtained a 

 decree from Convention to continue 

 sittings of the Academy during sus- 

 pension, 148 ; " Museum," ii. 311. 



Lalande at the College de France, i. 

 107 ; 113, 167, 177 ; Clairault's at- 

 tempt to alter gravitation formula, 

 334. 



Lamarck, ' Philosophic Zoologique,' i. 

 83, ii. 309 et seq. ; beginnings of Dar- 

 winian theory, i. 137 ; temporary 

 neglect of suggestions of, 179 ; 

 ' Hydrogeologie,' 194 ; and the 

 'Origin of Species,' 201 ; 'Hydro- 

 geologic ' quoted, ii. 21 7 ; natural 

 history of vertebrates, 239 ; 247 ; and 

 Geoffrey Saint-Hilaire, 255 ; and Von 

 Baer, 316 et seq. ; 321, 322, 327 ; 

 natural selection, 330, 351 ; adapta- 

 tion, 353 ; " environment," 394 ; his 

 school, 431 ; 460, 470, 607, 621. 



Lambert, J. H., i. 175 ; ' Photometry,' 

 ' Pyrometry,' 176 ; 319 ; cosmological 

 letters, ii. 282. 



Lame, treatises on mathematics and 

 physics, i. 45 ; theories of, 360 ; 379 ; 

 synthetic method, ii. 100 ; influenced 

 German thought, 101. 



La Mettrie, ' L'Homme Machine,' i. 

 144; ' Histoire naturelle de 1'Ame,' 

 ib. ; ii. 699. 



Landen, scientific services of, i. 229 ; 

 well known among.Continental mathe- 

 maticians, 232 ; maintained reputa- 

 tion of British mathematicians, 270. 



Lange, F. A., ' History of Materialism,' 

 i. 145, 385, ii. 323, 513, 584; "psy- 

 chology without a soul," 523. 



Langfley, function of gland cells, ii. 

 429. 



Language portrays changes of thought, 

 i. 11 ; conventional, inadequate for 

 original thought, 12 ; the problem of, 

 ii. 536. 



Lankester, Ray, "Zoology," ii. 232; 

 the term "homology," 259. 



Lapeyronie founded Academic de 

 Chirurgie, i. 107. 



