CONTENTS.
ART. XCII. ELASTICITY AND HEAT
1
Reprint, by permission, of articles contributed to the Ninth Edition (1878) of the Encyclopædia Britannica.]
PART I. ELASTICITY
1
PART II. HEAT
113
APPENDIX A. ON THE ALTERATION OF TEMPERATURE ACCOMPANYING CHANGES OF PRESSURE IN FLUIDS
236
[Proc. Roy. Soc., June, 1857; Phil. May., June Suppl., 1858.]
APPENDIX B. EXPERIMENTS MADE TO DETERMINE SURFACE CONDUCTIVITY FOR HEAT IN ABSOLUTE MEASURE. BY DONALD MACFARLANE
239
[Proc. Roy. Soc., Jan. 11, 1872.]
APPENDIX C. NOTE ON DULONG AND PETIT'S LAW OF COOLING. BY DONALD MACFARLANE
245
[Proc. Roy. Soc., June 10, 1875.]
APPENDIX D. APPROXIMATE PHOTOMETRIC MEASUREMENTS OF MOON, CLOUDY SKY, AND ELECTRIC AND OTHER ARTIFICIAL LIGHTS
249
[Read before the Philosophical Society of Glasgow, 29th November, 1882 (Proc. Vol. XIV. p. 80).]
APPENDIX E. ON THE CONVECTIVE EQUILIBRIUM OF TEMPERATURE IN THE ATMOSPHERE
255
[Read before the Literary and Philosophical Society of Manchester, January 21st, 1862, and published in the Memoirs, Vol. II. of 3rd Series, p. 125.]
 
ART. XCIII. ON THE REDUCTION OF OBSERVATIONS OF UNDERGROUND TEMPERATURE; WITH APPLICATION TO PROFESSOR FORBES' EDINBURGH OBSERVATIONS, AND THE CONTINUED CALTON HILL SERIES
261
[From Edin. Royal Soc. Trans. (Read April 30, 1860), Vol. XXII., Part II., p. 405.]
APPENDIX. ON THE REDUCTION OF PERIODICAL VARIATIONS OF UNDERGROUND TEMPERATURE, WITH APPLICATIONS TO THE EDINBURGH OBSERVATIONS
291
[Brit. Assoc. Report for 1859, pp. 54-56.]
ART. XCIV. ON THE SECULAR COOLING OF THE EARTH
295
[From Edin. Royal Soc. Trans. Vol. XXIII. Read April 28, 1862.]
ART. XCV. ON THE RIGIDITY OF THE EARTH; SHIFTINGS OF THE EARTH'S INSTANTANEOUS AXIS OF ROTATION; AND IRREGULARITIES OF THE EARTH AS A TIMEKEEPER
312
[From Royal Soc. Trans. 1863; read May 15, 1862; and incorporating, instead of §§ 21 32 of the original paper, the Opening Address to See. A. of the British Association, Glasgow meeting, 1876; Brit. Association Report, 1876.]
APPENDIX A.
336
APPENDIX B. ON THE OBSERVATIONS AND CALCULATIONS REQUIRED TO FIND THE TIDAL RETARDATION OF THE EARTH'S ROTATION
337
[From Philosophical Magazine, June (Supplement) 1866.]
APPENDIX C. ON THE THERMODYNAMIC ACCELERATION OF THE EARTH'S ROTATION
341
[From Proc. Royal Soc. Edin., Vol. XI. Read January 16, 1882.]
ART. XCVI. DYNAMICAL PROBLEMS REGARDING ELASTIC SPHEROIDAL SHELLS AND SPHEROIDS OF INCOMPRESSIBLE LIQUID
351
APPENDIX. GENERAL THEORY OF THE EQUILIBRIUM OF AN ELASTIC SOLID
386
[From Royal Soc. Trans. 1863; read November 27, 1862.]
ART. XCVII. MOLECULAR CONSTITUTION OF MATTER
395
[From Proc. Royal Soc. Edin. Read July 1 and 15, 1889.]
ART. XCVIII. FIVE APPLICATIONS OF FOURIER'S LAW OF DIFFUSION, ILLUSTRATED BY A DIAGRAM OF CURVES WITH ABSOLUTE NUMERICAL VALUES
428
[Report of British Association Bath Meeting, September, 1888.]
APPENDIX
434
[Being extract (Table III.) from De Morgan's article, "Theory of Probabilities," in Encyclopædia Metropolitana, Vol. II. (1845), pp. 483, 484.]
ART. XCIX. MOTION OF A VISCOUS LIQUID; EQUILIBRIUM OR MOTION OF AN ELASTIC SOLID; EQUILIBRIUM OR MOTION OF AN IDEAL SUBSTANCE CALLED FOR BREVITY ETHER; MECHANICAL REPRESENTATION OF MAGNETIC FORCE
436
[Now published for the first time, June, 1890.]
ART. C. ON A GYROSTATIC ADYNAMIC CONSTITUTION FOR 'ETHER'
466
[§§ 1-6 Translated from Comptes Rendus, Sept. 16, 1889. §§ 7-15 From Proc. Royal Soc. Edin., March 17, 1890.]
ART. CI. ON AN ACCIDENTAL ILLUSTRATION OF THE SHALLOWNESS OF A TRANSIENT ELECTRIC CURRENT IN AN IRON BAR
473
[Read March 17, 1890.]
ART. CII. ETHER, ELECTRICITY, AND PONDERABLE MATTER
484
[Part of the Presidential Address to the Institution of Electrical Engineers, Delivered January 10, 1889.]
ART. CIII. PROFESSOR TAIT'S EXPERIMENTAL RESULTS REGARDING THE COMPRESSIBILITY OF FRESH WATER AND SEA WATER AT DIFFERENT TEMPERATURES; COMPRESSIBILITIES AT SINGLE TEMPERATURES OF MERCURY, OF GLASS, AND OF WATER WITH DIFFERENT PROPORTIONS OF COMMON SALT IN SOLUTION; BEING AN EXTRACT FROM HIS CONTRIBUTION TO THE REPORT ON THE SCIENTIFIC RESULTS OF THE VOYAGE OF H.M.S. CHALLENGER, VOL. II. PHYSICS AND CHEMISTRY, PART IV. (PUBLISHED IN 1888)
516
ART. CIV. VELOCITIES OF WAVES OF DIFFERENT CHARACTER; AND CORRESPONDING MODULUSES IN CASES OF WAVES DUE TO ELASTICITY: BEING APPENDIX TO ART. XCII. § 51
519
[Now published for the first time, June, 1890.]