660 



INDEX. 



Ovals, delineation and propositions, 97- 

 104. 



PAGET, Dr., 406, 408. 

 Pain, essay on, 444-452. 

 Penicuik, seat of the Clerk family, 2. 

 holiday resort of J. C. M.'s father 



when a boy, 7. 

 Clerks of, note on their history and 



descent, 16-22. 



visited on way from Glenlair on J. 

 C. M. going to Edinburgh for 

 schooling, 46. 

 frequent resort of J. C. M. in 



Christmas holidays, 65. 

 Perception, 227, 240. 

 Phonograph, 403, 455. 

 Plateau, 332, 507. 

 Platometer, 220. 

 Poisson, study of his "mechanics," 119, 



134. 



study of his electricity and mag- 

 netism, 217. 

 Polariscope, as constructed by Maxwell, 



487. 

 Polarised light, Maxwell's early interest 



in, 84. 



a subject of study while at Edin- 

 burgh University, 106, 117, 122- 

 124, 126. 

 theory of rotation of the plane of, 



by magnetism, 331. 

 Pomeroy, a Cambridge friend, 182, 184, 



191, 201, 203, 211, 220, 262. 

 nursed in illness by Maxwell, 206, 



221. 



his description of his travels, 266. 

 his death in India from fever, 

 brought on by over - exertion 

 (1857), 274. 

 his character reflected by Maxwell's 



letters, 281, 282. 

 his own last letter, 285. 

 Psychophysik, 452-463. 



QUATERNIONS, 384. 



RAMSAY, the late Dean, of Edinburgh, 



his estimate of young Maxwell, 163. 

 Ray Club, Maxwell introduced to, 213. 

 elected an associate of, 220. 

 meetings of, 249. 

 Rayleigh, Lord, on Maxwell's influence 



at Cambridge, 357. 

 (Hon. J. W. Strutt) on colours. 376, 



380. 



letter from, 349. 

 theory of sound, 363. 

 Regnault, 568. 



Regular solids constructed by J. C. M. 



as a boy, 56, 60. 



Religio Medici, Sir Thomas Browne's, a 

 favourite book with Maxwell, 173, 175. 

 Religion, Maxwell's views and senti- 

 ments in regard to, 170 note, 321, ^ 

 323 note, 338-340. 

 Robertson, the Rev. Charles Hope, his 



reminiscences, 163. 



Rolling curves, a subject of study by 

 Maxwell while at Edinburgh 

 University, 106-121. 

 paper on, read before R.S.E. in 



1849, 106, 133. 



Routh, fellow-pupil with Maxwell, senior 

 wrangler, and he and Maxwell brack- 

 eted Smith's Prizemen, 176. 

 Royal Institution, Maxwell's lectures on 



colours at, 315, 319, 354, 379. 

 Royal Society of Edinburgh, J. C. M. 

 as a boy, taken by his father to 

 their meetings, 54, 73. 

 paper upon ovals by J. C. M. (&t. 

 14), read at meeting, 6th April 

 1846, 76. 

 paper on rolling curves, at meeting, 



19th February 1849, 106. 

 paper upon colours (19th March 



1855), 469. 

 other papers, 483. 

 referred to in correspondence, 343. 

 Rowland, Professor, 373 note. 



SATURN'S RINGS, Maxwell's work on, for 

 Adams prize, 275,291,293,295,303. 

 his model of, 309. 

 account of his investigations re- 

 garding, 465, 501-513. 

 Schuster, his experiments on electrical 



resistance, 365. 

 Scripture, early knowledge of, 32. 



interpretation of, 309, 328, 338. 

 Sea-fyke, an object of boyish interest, 



58, 59. 

 Smiddy near Glenlair, childish interest 



in, 27, 33. 



manufacture of steel ba-rs for mag- 

 nets, 85. 

 Smith, Adam, 143, 234. 



Dr. E., on food, etc., 335. 

 Soap - bubbles, objects of youthful 



interest, 33. 

 Society of Arts, Edinburgh, visits to, 



by J. C. M. with his father, 73. 

 Space (of m dimensions !), 380. 

 "Spin," word used to describe the pro- 

 cess in experiments on electrical 

 resistance, 316. 



Spencer, Herbert, social theories criti- 

 cised, 459. 



