Part 3 — INDEX.

Aberdeen, application for professorship

at, pp. 247, 250.

Maxwell’s appointment as professor,

256.

commencement of work, 257.

prepares inaugural lecture, 263.

work ends by amalgamation of the

colleges, 278.

Adams, discovery of Neptune, 85; prize

(see Saturn’s rings).

W. G., successor to Maxwell at

King’s College, 344.

letter to, 384.

Ampère’s formula, 330, 331.

electrical investigations, 523, 525.

Analogies, the subject of an essay at

Cambridge, 235.

Andrews, conversion of energy in

chemistry, 335.

Apioid, delineation of, 87, 88, 98-104.

Arago, 525.

Archery in the Happy Valley, a subject

of youthful verse, 64.

Arthur’s Seat, glacier markings on rocks

of, a novel subject of interest (in

1846), 73.

employed by Professor Forbes to

show his class mode of barometric

observation, 116, 130.

Artisan students, class at Aberdeen,

283, 291, 292.

Atoms, article on, by Maxwell, for

Encyclopœdia Britannica, 390, 561.

Autobiography, the subject of an essay

at Cambridge, 244.

Bakerian Lecture (1866) on viscosity of

gases, 325.

Basket-making, an amusement in

childhood--sketch by J. W., 31.

Beauty, subject of essay at Cambridge,

231.

Bell, Professor Graham (telephone), 361,

363.

Benson’s Manual of Colour, 346, 379.

Berkeley’s Theory of Vision,

Maxwell’s-study of, 198, 207.

Bernoulli, allusion to his account of

cycloidal oscillations, 226.

his theory of gases, 314, 332.

place in history of dynamics, 398,

560.

Biography, thoughts about, 244.

Birmingham, visit to, proposed by J. C.

M.’s father, 7 note, 185.

and carried out, 168.

Blackburn (Mrs. Hugh, née Jemima

Wedderburn), her portrait of

J. C. M., 11.

a frequent visitor at Glenlair, in

J. C. M.’s early days, 36.

her pictorial genius, 36.

her sketches of family groups, 5,

30, 31, 38, 40, 42, 46, 62.

occupations at “Old 31,” 52.

a picture of hers described by J. C.

M., 270.

Professor Hugh, his advice as to

Maxwell’s going to Cambridge,

131 note, 132.

and in choice of a college there,

146.

Boltzmann, 569.

Boole’s mathematical analysis of logic,

113, 378.

Brewster, Sir David, his demonstrations

with Wheatstone’s stereoscope,

125.

Maxwell’s youthful debate with

him at British Association, 144.

at British Association (1855), 203,

215, 216.

British Association, Maxwell’s youthful

appearance disputing a point

with Sir David Brewster, 144.

Maxwell present at meeting of (in

1855), 203.

meeting at Oxford (in 1860), 314.

committee on electrical standards,

316, 343.

British Association--

meeting at Liverpool (1870), Maxwell

president of Section A

(Mathematics and Physics), 326.

apparatus for committee on electrical

standards deposited in Cavendish

Laboratory, 353.

Bradford (1873), Maxwell’s discourse

on molecules, 358.

committee for verifying Ohm’s law,

365.

meeting at Belfast (1874), last attended

by Maxwell, 372.

his paraphrase of the President’s

address, 373.

Buckle’s History of Civilisation, first

impression of, 295.

allusion to, 458.

Butler, Rev. H., D.D., Head Master of

Harrow School, a friend of Maxwell

at college, 168.

his reminiscences of Maxwell, 422.

Cambridge, causes of delay in decision

as to entering university, 130.

choice of a college, 146.

Peterhouse fixed upon in first

instance, 146.

migration to Trinity in second term,

147.

mathematical examinations 1854,

Maxwell second wrangler, and he

and Routh bracketed Smith’s

Prizemen, 176.

Maxwell elected Fellow of Trinity,

204.

essays for meetings of society at,

223-246, also 434-463.

influence as examiner at, 325, 357.

chair of experimental physics

founded 1871, 348.

Maxwell’s inaugural lecture in this

chair, 354.

his work as professor, 364.

Carmichael, A. N., J. C. M.’s master in

Greek and Latin at Edinburgh

Academy, 50.

Cartesian space equations, 380.

Cavendish, Hon. Henry, F.R.S., his

electrical researches collected and

edited by Maxwell, 374, 375,

514, 555.

reference to this work in a letter

of Maxwell to W. Garnett, 389.

Laboratory (Cambridge), Maxwell’s

hereditary genius shown in planning,

9.

Maxwell’s arrangements in its

design and erection, 325,

350, 353.

Cavendish Laboratory, Maxwell’s letter

to the Vice-Chancellor on the subject,

352.

Cay, Charles Hope, a cousin of J. C. M.,

his visit to Glenlair, 312.

his correspondence with Maxwell,

324, 337, 341, 343.

Miss Jane, maternal aunt of J. C.

M., 13.

letter to her from J. C. M.’s

parents in early days, 27.

letter from J. C. M. (Æt. 8½),

33.

influence of her tastes and

occupations, 36.

her interest in J. C. M.’s education,

and letters to him as

a boy, 41, 44.

her care in J. C. M.’s religious

education, 55.

J. C. M. domiciled with her in

1844, 67.

Maxwell’s correspondence with

her, 169, 180, 184, 186,

193, 195, 208, 253, 281.

John (Sheriff of Linlithgow), maternal

uncle of J. C. M., 7.

companion of Maxwell senior,

at meetings of Edinburgh

Royal Society, 8, 13.

his scientific occupations a

source of interest to J. C.

M., 67.

accompanies J. C. M. in visiting

Mr. Nicol (inventor of

polariscope), 84.

a friend of Sir W. Hamilton,

108.

sends J. C. M. a “Nicol’s

prism,” 123.

R. D., maternal uncle of J. C. M.,

13.

his letter to Miss Cay after

death of Mr. John C. Maxwell,

254.

R. H., Esq., of N. Charlton, maternal

grand-father of J. C. M.,

2, 22.

mention of him in Lockhart s

Life of Scott, 13.

William Dyce (cousin of J. C. M.)

his letter describing meeting

of British Association

(1855), 215.

employed by J. C. M. to build

a bridge over the Urr, 323.

his recollections of Maxwell,

324.

Charlton, N., Northumberland, home of

J. C. M. ’s mother’s family, 2.

Chemistry class at University of Edinburgh

attended by Maxwell under

Professor Gregory, and practical

chemistry under Mr. Kemp, 107, 126.

Chrystal, Professor, associated with

Maxwell in committee of British

Association for verifying Ohm’s law,

365, 392.

Clausius, mathematical investigations

suggested by his theory of gases,

332, 336, 342, 380, 399, 562, 564,

567.

Clerk, George, afterwards Sir George

Clerk Maxwell (great grand-father

in the direct male line

of J. C. M.), his betrothal and

marriage to his cousin, Dorothea

Maxwell, heiress of Middlebie,

19, 23.

Sir George (of Penicuik), brother of

John Clerk Maxwell and uncle

of J. C. M., 322.

Captain James, paternal grand-father

of J. C. M., 3 and note, 22.

Mrs. James (née Janet Irving),

paternal grand-mother of J. C.

M., 4, 21.

John, of Eldin, brother to Sir

George Clerk (J. C. M.’s great-grandfather),

and author of a

book on naval tactics, 19-21.

John (son of the above), a distinguished

lawyer and Lord of

Session (Lord Eldin), 19, 21 and

note.

Sir John, of Penicuik, elder brother

of James (paternal grand-father of

J. C. M.), 3, 22.

Sir John (of Penicuik, Baron of

Exchequer), great-great-grand-father

in the direct male line of

J. C. M., 19.

John, afterwards John Clerk Maxwell,

of Middlebie (or Glenlair),

the father of J. C. M. (see Maxwell,

John Clerk).

William, brother of Lord Eldin,

and friend of young Walter Scott,

21 and note.

William, married Agnes Maxwell,

and left only child, Dorothea

Maxwell, heiress of Middlebie,

who married her cousin, George

Clerk, as above, 23.

Clerks (of Penicuik), their family traits

and Coterie-Sprache, 5, 6.

note upon their descent and history,

16-22.

Colour-box, 198, 314, 318, 334, 335,

337, 347, 476.

Colour-blindness, phenomena of, investigated,

soon after Cambridge

degree, 198.

results communicated to Dr.

George Wilson, 203, 217.

account of his investigations, 474,

482.

Colours, early questions about, 31.

order of ideas upon, 84 note.

investigations upon, commenced

after the Cambridge degree, 198,

209, 211, 212, 261, 268.

his triangle of, 209.

remarks on Maxwell’s investigations,

by Professor Stokes,

287.

lecture upon, at Royal Institution

1861, 315.

paper upon colour-vision at different

points of the retina, 327.

letters to C. J. Monro on colours,

347, 379.

Colour-top, 198, 332, 469.

Colour-vision, lecture on (B. A. 1870),

327, 354.

account of Maxwell’s experiments

on, 466-491.

Conical pendulum, MS. on, 87.

Craigenputtock, incident of pilgrimage

to, 257 note.

Descartes, his ovals identified with

those delineated by Maxwell by

new and simpler method, 77, 79,

88.

laws of, 398.

on matter and extension, 436.

Determinism, 434-444.

Devil-on-two-sticks, a favourite game,

65, 117, 129, 135, 251.

Devonshire, Duke of, his gift of a

physical laboratory to Cambridge,

348.

Dewar, Principal, of Marischal College,

Aberdeen, 275.

his daughter Katherine Mary D.

married to J. C. M., 276.

Dielectric, Maxwell’s theory of action

in, 559.

Dynamical top, Maxwell’s paper on, 287,

500.

Dynamics, Maxwell’s investigations in,

465, 498-501.

letters to W. Garnett on, 398, 399.

Edinburgh Academy chosen as the

school for J. C. M., 44.

early days at, 45-61.

rector’s class under Archdeacon

Williams, 66.

Edinburgh University, Maxwell’s entrance at, 105.

Edison’s loud-speaking telephone, 363.

phonograph, 455.

Elastic solids, Maxwell’s investigations

on, 106, 126, 127, 133, 465, 491, 491-496.

Elasticity, a subject of lectures at Aberdeen,

295, 301.

Eldin (see Clerk, John).

Electricity, a subject of Maxwell’s study

while at Edinburgh University,

106, 118, 120.

resumed immediately after the

Cambridge degree, 199, 204.

a subject of lectures at Aberdeen,

291, 302.

Maxwell a member of committee

(British Association) for determining

standard of resistance,

316.

Maxwell’s comparison of electromagnetic

and electrostatic units,

317, 336, 337, 545.

Maxwell’s great work on, takes

shape 1866-1870, 320.

general mathematical propositions

relating to, 330.

instrument for measuring effects

of, through different media,

334.

one of the primary objects of the

chair of experimental physics at

Cambridge, 350.

Maxwell appointed one of committee

of British Association for

verifying Ohm’s law. Reported

at Glasgow 1876, 365.

publication of book on electricity

and magnetism, 374.

various work relating to, 375.

posthumous work on, 288 note, 354.

synthetical account of Maxwell’s

contributions to science of, 513-559.

Electromagnetic field, 550.

machines, seen by J. C. M. in 1842,

52.

theory of light, 340-342.

units, 336.

Ellicott, C. J., Bishop of Gloucester,

his correspondence with Maxwell,

392-396.

Energy, conversion and conservation of,

335, 438.

Everitt, Professor, member of committee

of British Association on Ohm’s Law,

365.

Examination system at Cambridge, 325,

356.

Experimental physics, chair of, 348.

inaugural lecture, 354.

work of, 364 et seq.

Extension (Spinoza), 380.

(Descartes), 436.

Eye, lecture to operatives on, at Aberdeen,

264.

Faraday, Michael, reference to his

experiments upon table-turning,

189.

Maxwell’s early interest in his investigations,

199 note.

his lines of force, the subject of a

lecture by Maxwell 1855-56,199,

204, 222, 256.

his letters to Maxwell, 288, 519.

reference to his style, 305.

at Maxwell’s lecture Royal Institution

(1861), 319, 528.

his Electrical Researches carefully

studied by Maxwell, 513, 516.

his discovery of magnetic induction,

525.

Farrar, Rev. F. W. (Canon of Westminster),

a friend of Maxwell as an

undergraduate at Cambridge, 168,182,

200.

Fluid displacement, 346.

Foramen centrale, phenomena of, 315.

Forbes, Professor James D., his early

recognition of J. C. M.’s genius,

74, 75.

reads paper of J. C. M. at Royal

Society, Edinburgh, 76.

his lifelong friendship with J. C.

M., 79.

his natural philosophy class in the

University of Edinburgh, 90,

114, 115, 116, 124, 127.

his advice as to Maxwell’s going to

Cambridge, 131 note, 132.

his suggestions as to paper (on

elastic solids) for the Royal

Society, 137.

advises Trinity College, Cambridge,

146.

correspondence upon colours, 213,

214.

suggestion as to Aberdeen professorship

and joining the Royal

Society of Edinburgh, 250.

letter upon Maxwell’s appointment

and on his father’s death, 256.

letter upon professorial work, 266.

vacates chair of Natural Philosophy

at Edinburgh, 277.

letter on Saturn, etc., 307.

resignation of principalship, St.

Andrews, 327, 345.

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 delineated

on magic disc, 37.

Galileo, 501.

Galton, F., 435.

Galvanism (see Electricity).

Gases, experiments on viscosity of, at

different pressures and temperatures,

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,[326] Cambridge, his account of

Maxwell’s last hours, 414-416.

Haidinger’s Brushes, 84, 489.

Hamilton, Sir William, Edinburgh, his

logic and metaphysic class attended

by Maxwell, 90, 107, 116,

126.

influence on Maxwell of his teaching,

108, 165, 227.

Happy Valley, Vale of Urr, in Coterie-Sprache,

62.

Harmonic analysis, 374.

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

C. M.’s investigations on the subject

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 mistake,”

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.

Huygens’ discovery of Saturn’s rings,

501.

Impenetrability of matter, doctrine

stated in paper on properties of

matter, written for Mental Philosophy

class in Edinburgh University,

109.

Inertia, as a property of matter, defined

in paper written for Mental Philosophy

class in University of Edinburgh, 109.

Investigation, early proclivities for, 27.

Irving, Miss Janet, paternal grand-mother

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

Irving, John, half-brother to above, and

friend of Walter Scott and Lord

Eldin, 21 and note.

Italy, tour with Mrs. Maxwell in, 324.

Jenkin, Professor Fleeming, associated

with Maxwell in committee of

British Association, for determining

standard of electrical resistance,

316.

Maxwell’s correspondence with, 336.

Joule, 335, 568.

Kelland, Professor, referred to on J.

C. M.’s early paper upon ovals,

and agreed with Professor

Forbes as to its merit, 75.

his mathematical classes attended

by Maxwell in the University of

Edinburgh, 90, 107, 115, 116.

reads Maxwell’s paper on rolling

curves at meeting of Royal Society,

Edinburgh, 19th Feb. 1849, 106.

consulted as to choice of college at

Cambridge, 146.

congratulations on degree, 207.

Kinetic energy, 563.

King’s College, London, Maxwell appointed

Professor of Natural

Philosophy in, 278.

his work in this professorship,

314-320.

Kirchoffs rules for electric circuits,

372, 399.

Lagrange, 398.

Laplace, 398, 438, 505.

Lavater, 302.

Leaping-pole, 34.

Le Sage, 560.

Leibniz, 335, 398.

Lenz’s law, 526, 540.

Leverrier, 85, 351.

Liddell, Elizabeth, maternal grand-mother

of J. C. M., 13.

Light, velocity of, 317, 329, 483.

Litchfield, R. B., a college friend, correspondence

with, 207, 215, 221, 261,

262, 280, 304.

Lucretius, his argument for a vacuum

adopted in a paper of Maxwell’s,

written for the mental philosophy

class, Edinburgh University, 109, 112.

Mackenzie, Rev. Charles (afterwards

Bishop of Natal), consulted in

choice of a college at Cambridge,

146.

takes J. C. M. and his father to see

the colleges, 148.

Mackenzie, Rev. Charles, a moderator in

the examination for the Mathematical

Tripos 1854, 193.

Colin, a cousin, present at Maxwell’s

last illness, 411, 416.

Frank, a college friend and contemporary

of Maxwell, 169, 186,

193.

Maclagan, W. D. (now Bishop of Lichfield),

a friend of Maxwell at Cambridge,

203.

Maclennan, the late J. F., one of Maxwell’s

college friends, 161, 177,

252.

visits Glenlair, 263.

Magnetism (see Electricity).

Mathematics, modicum of teaching received

at the Edinburgh Academy,

68, 71.

Professor Kelland’s classes in University

of Edinburgh, 90.

Matter, properties of, discussed in paper

written for Sir W. Hamilton’s

class of mental philosophy, 109,

and motion, small book on, 374, 398.

Matteucci, Professor, 325.

Maurice, Professor, Maxwell’s interest

in controversy upon Theological

Essays, 171, 192, 194.

his working-men’s college scheme

entered into by Maxwell, 205,

217, 222, 256, 260.

criticism of his writings, 218.

Maxwell, Dorothea Clerk, heiress of

Middlebie, great-grandmother

(mother of paternal grand-father)

of J. C. M., her betrothal and

marriage to her cousin George

Clerk, 19, 23.

Sir George Clerk (of Penicuik and

Middlebie), great-grandfather, in

the direct male line, of J. C. M.,

19, 23.

James Clerk, birth and parentage,

2.

childhood, 24-44.

boyhood--Edinburgh Academy

(Æt. 10-13), 45-65.

adolescence (Æt. 13-16), 66-90.

original work at this period

(ovals, etc.), 91-104.

University of Edinburgh (Æt.

16-19), 105-145.

undergraduate life at Cambridge

(Æt. 19-22), 146-196.

Bachelor-scholar and Fellow of

Trinity (1854-1856), 197-222.

Essays at Cambridge, 1853-1856,

223-246.

Maxwell, James Clerk, his father’s

death, professorship at Aberdeen,

marriage, 247-313.

King’s College, London—Glenlair

1860-1870, 314-347.

Examiner at Cambridge, 325.

Cambridge--Cavendish laboratory

(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 debarred

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 (née 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 Répertoire d'Optique, read

during vacation at Edinburgh University,

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,

140-144.

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. (Æt. 15), 84.

Nichol, Professor, his lecture on discovery

of planet 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.

Oërsted, 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 observation

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 14—74, 75, 76, 88, 91,

98-104.

identified with those of Descartes,

but J. C. M.’s method new and

simpler, 79, 88.

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 magnetism,

217.

Polariscope, as constructed by Maxwell,

487.

Polarised light, Maxwell’s early interest

in, 84.

a subject of study while at Edinburgh

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 sentiments

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 bracketed

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. (Æt.

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 regarding,

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 bars for magnets,

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 dimensions!), 380.

“Spin,” word used to describe the process

in experiments on electrical

resistance, 316.

Spencer, Herbert, social theories criticised,

459.

Spinoza, 380.

Spiritualism, common-sense views about,

humorously expressed, 228-230.

Stephen, Sir James, his lectures attended

by Maxwell, 185.

Stereoscope, Maxwell’s interest in, 106,

125, 251, 252.

his modified form of, 484.

Stokes, Professor G. G., F.R.S., D.C.L.,

commencement of Maxwell’s attendance

on his lectures, and lifelong

friendship between them,

154, 185.

letter to Maxwell on his dynamical

top and colour experiments, 287.

joins in urging Maxwell to stand

for the chair of Experimental

Physics at Cambridge, 349.

Stress, 493, 573.

Swimming, favourite exercise of J. C.

M., 55, 120, 208.

Sylvester, Professor, 326

Table-turning, reference to Faraday’s

experiments on, 189, 191.

Tadpole, a subject of childish interest,

34.

transformation of, ingeniously delineated

on magic disc, 37.

Tait, Professor P. G., his summary of

reminiscences of Maxwell, 86,

87, 133.

his appointment to the Chair of

Natural Philosophy in Edinburgh,

277.

Tayler, Rev. C. B., Maxwell’s visit to,

170, 190.

correspondence with, 187-189.

Taylor, Isaac, jun., a fellow-student

with Maxwell at Cambridge,

176.

senior, described, 177.

senior, his works referred to, 227.

Telephone, lecture on, 361, 403.

Thaumatrope modified, a toy on which

early ingenuity was exercised, 36.

Thomson, Professor (Sir William), asks

Maxwell’s assistance in some preparations

for meeting of British

Association, 144,

consulted as to choice of college at

Cambridge, 146.

his laying of the telegraph cable

described by Maxwell in humorous

verse, 279.

his solution of a problem set by

Maxwell, relating to the viscosity

of gases, 341.

his work in reference to conversion

of energy, 335.

Thomson, Professor, his experiments on

air (jointly with Joule), 568.

Toby (in perpetual succession), a hereditary

and lifelong companion,

38, 369.

sketched in family groups, 38, 42.

at Cambridge, 369, 370.

Top, colour-, 198, 332, 469.

dynamical, Maxwell’s paper on,

287.

Trifocal curves, MS. on (see Ovals),

87.

Tub, early navigation in, 42, 43.

venture advanced from duck pond

to river, 62, 63.

Tyndall, Professor, letter from, 288.

his address to British Association

(Section A), referred to, 336.

his address as President of British

Association (1874), 372.

Urr (see Orr).

Vacuum, arguments of Lucretius for,

adopted in paper written for mental

philosophy class in Edinburgh University,

109.

Vassals, humorous designation of cottagers

on estate, 39.

not forgotten amongst scientific

work at Cambridge, 199, 206.

Verdet, 549.

Verse, exercises in, by J. C. M. as a

boy, 64, 69, 70.

“Virial” of a system, 567.

Viscosity of gases, experiments on, 318,

325.

Vortices, Maxwell’s theory of, 329.

Wasps’ nests, youthful adventure in

taking, 33.

Weber, theory of electricity, 365, 516,

545, 550.

Wedderburn, Mrs. (née Isabella Clerk),

paternal aunt of J. C. M., 3.

a frequent visitor at Glenlair in J.

C. M.’s childhood, 36.

Westcott, Professor, his tribute to Maxwell,

358 note.

Wheatstone’s stereoscope, letter referring

to, 125.

Williams, The Ven. Archdeacon (of

Cardigan), Rector of Edinburgh Academy,

a genial teacher, 66.

Willis, Professor, Cambridge, his Principles

of Mechanism, read by Maxwell

during vacation at Edinburgh

University, 129, 133

note.

Willis, Professor, his lectures on practical

mechanism attended by Maxwell

when a graduate, 220.

Wilson, Professor (Christopher North),

his Moral Philosophy class

attended by Maxwell, 107,

114, 127, 128.

Maxwell’s comment on his

lectures, 145.

Dr. George, Maxwell communicates

to him results upon colour-blindness, 203, 217.

Young, Dr. T., his triangle of colours,

a basis of Maxwell’s experiments,

467, 472, 473.

clearness of his style, 305.

Zoëtrope, 484.

FOOTNOTES:

THE END.

Printed by R. & R. Clark, Edinburgh.