INDEX. 



659 



Maxwell, James Clerk, his father's 

 death, professorship at Aber- 

 deen, marriage, 247-313. 

 King's College, London Glen- 

 lair 1860-1870, 314-347. 

 Examiner at Cambridge, 325. 

 Cambridge Cavendish la- 

 boratory (1871-1879), 348- 

 405. 

 illness and death 1879, 406- 



433. 

 last essays at Cambridge, 434- 



463. 



poems, 577-651. 



John Clerk, father of J. C. M., 2. 

 his place in descent of the 



Clerks of Penicuik, 22. 

 inherits remnant of Middlebie 

 under an entail which de- 

 barred his elder brother 

 George (Clerk) from holding 

 it with Penicuik, 3. 

 converts estate into habitation 



(Glenlair), 5, 25. 

 inherited and personal traits of 



character, 5-12. 

 portrait-sketch by J. W., 38. 

 genial intercourse between 



father and son, 53. 

 interest in son's progress, 72, 



73. 



places son at Cambridge, 146. 



extracts from his letters to J. C. 



M., 150, 156, 160, 181,184- 



187, 193, 194, 196, 207, 



213, 214, 217-220. 



anxiety about his health, 206., 



210. 



his death, 248. 

 Mrs. John Clerk (nee Frances Cay), 



mother of J. C. M., 2. 

 traits of character, 12. 

 her death in J. C. M.'s ninth 



year, 15. 

 Maxwells of Middlebie, note on their 



descent, 22. 



Meloid, delineation of, 87, 88, 91-97. 

 Microphone (Hughes'), 363. 

 Middlebie, the family estate descended 



from the Maxwells, 3. 

 Maxwells of, note on their descent, 



22. 

 how the bulk of the old estate was 



disposed of, 23. 



situation of remaining estate, 24. 

 Milton, Maxwell's early familiarity 



with, 32. 



Moigno's Repertoire d'Optique, read 

 during vacation at Edinburgh Uni- 

 versity, 129. 



Molecular physics, account of Maxwell's 



investigations in, 465, 559-574. 

 Molecules, Maxwell's discourse on, 

 British Association at Bradford 

 1873, 358-360. 



his paper on dynamical evidence of 

 the molecular constitution of 

 bodies, 361. 

 his theory of, 561. 



Moral Philosophy, Professor Wilson's 

 (Christopher North), lectures on, 

 107, 114, 127, 128. 

 thoughts upon, in correspondence, 



140-44. 



and in an essay, 234. 

 Maxwell's comments upon Professor 

 Wilson's lectures, 145. 



NECESSITY, 306 (and see Determinism). 

 Neptune, interest in discovery of planet, 



85. 



Newton, his optics perused by Maxwell 

 while at Edinburgh University, 

 133 note. 

 Principia, etc., referred to, 398, 



437. 

 class at Aberdeen upon, 291, 295, 



302. 

 Newton's rings, engaged attention of J. 



C. M. (&t. 15), 84. 



Nichol, Professor, his lecture on dis- 

 covery of plane't Neptune, 85. 

 Nicol, Mr., inventor of the polariscope 



visited, 84. 

 letters of J. C. M. referring to this 



visit, 122, 123. 

 Nicol's prism described, 486. 

 Niven, W. D., 402, 575. 



OERSTED, 305, 521. 

 Ohm's Law, 316, 365, 555. 

 Ophthalmoscope, instrument made by 

 Maxwell for seeing into the eye, 

 198, 208. 



dogs trained to submit to obser- 

 vation by it, 39, 208, 212, 

 342. 

 Optics, Maxwell's contributions to, 483. 



projected work on, 204. 

 - class at Aberdeen on, 291. 

 Orr (or Urr), the name of the river by 



Glenlair, 24. 

 scenery of, 33. 

 spelling of, 67. 



Ovals, investigations on, by J. C. M., as 

 a boy of 1474, 75, 76, 88, 91, 

 98-104. 



identified with those of Descartes, 

 but J. C. M.'s method new and 

 simpler, 79, 88. 



