INDEX. 



657 



Force, suggestions from Faraday as to 



definition of, 289. 

 Foucault, his pendulum for showing the 



rotation of the earth, 153. 

 his determination of the velocity of 



light, 545. 



Fourier's Theorie de la Chaleur perused 

 by Maxwell while at Edinburgh 

 University, 133 note, 134. 

 method of harmonics, 507. 

 Fraunhofer's lines, preparation of water 



prism for showing, to students, 267. 

 Free will, 305, 306. 

 Fresnel, 129, 486. 



Frog, a subject of childish interest, 34. 

 transformations ingeniously deli- 

 neated on magic disc, 37. 



GALILEO, 501. 

 Galton, F., 435. 

 Galvanism (see Electricity). 

 Gases, experiments on viscosity of, at 

 different pressures and tempera- 

 tures, 318. 

 paper on this subject, delivered at 



Bakerian Lecture 1866, 325. 

 Geometry, original inquiries suggested 

 to J. C. M. by school exercises in, 

 69. 

 Maxwell's investigations in, 465, 



496-498. 



Germs, speculations upon, 390. 

 Glacier-markings on Arthur's Seat, J. 

 C. M. points out to L. C., in 1846, 

 73. 

 Glaciers, Forbes's investigations on, a 



subject of interest to J. C. M., 80. 

 Glenlair, name of farm acquired by Mr. 

 John C. Maxwell, and house built 

 by him, 24-26. 

 journey from, on J. C. M. going to 



Edinburgh for schooling, 46. 

 holidays at, 61-65, etc. 

 completion of new offices at, 64. 

 Maxwell's residence in intervals of 



professorial work, 320-328. 

 Gloag, J. C. M.'s first mathematical 



teacher, 68. 

 Graham's experiments on gases, 315, 



332, 564. 



Gregory, Professor, at Edinburgh, his 

 chemistry class attended by Maxwell, 

 107, 114, 126, 127. 



Guillemard, Rev. Dr., of Little St. 

 Mary's, 1 Cambridge), his account of 

 Maxwell's last hours, 414-416. 



HAIDINGER'S BRUSHES, 84, 489. 



Hamilton, Sir William, Edinburgh, his 

 logic and metaphysic class at- 

 tended by Maxwell, 90, 107, 116, 

 126. 



influence on Maxwell of his teach- 

 ing, 108, 165, 227. 

 j Happy Valley, Vale of Urr, in Coterie- 



Sprache, 62. 



i Harmonic analysis, 374. 

 j Hay, Mr. D. R., his work suggested J. 

 C. M. 's investigations on the sub- 

 ject of ovals, 73. 

 furnishes colour-patterns, 198. 

 his book of colours, 212. 

 Heat, a subject in chair of experimental 



physics, 350. 

 treatise on, 374. 

 Helmholtz, his investigations on colours 



referred to, 214, 468. 

 on conversion of energy, 335. 

 on acoustics, 363. 



Heriot Row, "Old 31," house of aunt, 

 Mrs. Wedderburn, and home of 

 J. C. M. while at school and 

 college in Edinburgh arrival 

 there sketched by J. W., 46. 

 home occupations, 52. 

 Herschel, Sir John, his essays, 302. 

 his style, 305. 

 Sir William, his observation of 



Saturn's rings, 502. 

 Hills and Dales, paper on (British 



Association 1870), 327,497. 

 Hopkins, William, his remark that 

 "Maxwell never made a mis- 

 take," 133 note. 

 Maxwell commences to read with 



him, 154. 

 reminiscence of a fellow - pupil 



under, 175. 

 Hort, Professor F. J. A., his recollections 



of Maxwell, 417-421. 

 Hughes, Professor (microphone), 363. 

 Huyghens' discovery of Saturn's rings, 

 501. 



IMPENETRABILITY of matter, doctrine 

 stated in paper on properties of 

 matter, written for Mental Philo- 

 sophy class in Edinburgh University, 

 109. 



Inertia, as a property of matter, defined 

 in paper written for Mental Philo- 

 sophy class in University of Edin- 

 burgh, 109. 

 | Investigation, early proclivities for, 27. 



Irving, Miss Janet, paternal grand- 

 mother of J. C. M., 4, 21, 22. 



i N.B. not Trinity, as in 413. 



2u 



