vol. I., pp. 372-374. This is a reprint of
Clerk-Maxwell's prize paper of 1859.

CHAPTER III

THE NEW SCIENCE OF PALEONTOLOGY

(1) (p. 81). Baron de Cuvier, Theory of the Earth, New York, 1818, p.
98. (2) (p. 88). Charles Lyell, Principles of Geology (4 vols.),
London, 1834. (p. 92). Ibid., vol. III., pp. 596-598. (4) (p. 100). Hugh
Falconer, in Paleontological Memoirs, vol. II., p. 596. (5) (p. 101).
Ibid., p. 598. (6) (p. 102). Ibid., p. 599. (7) (p. 111). Fossil Horses
in America (reprinted from American Naturalist, vol. VIII., May, 1874),
by O. C. Marsh, pp. 288, 289.

CHAPTER IV

THE ORIGIN AND DEVELOPMENT OF MODERN GEOLOGY

(1) (p. 123). James Hutton, from Transactions of the Royal Society of
Edinburgh, 1788, vol. I., p. 214. A paper on the "Theory of the Earth,"
read before the Society in 1781. (2) (p. 128). Ibid., p. 216. (3)
(p. 139). Consideration on Volcanoes, by G. Poulett Scrope, Esq., pp.
228-234. (4) (p. 153). L. Agassiz, Etudes sur les glaciers, Neufchatel,
1840, p. 240.

CHAPTER V

THE NEW SCIENCE OF METEOROLOGY

(1) (p. 182). Theory of Rain, by James Hutton, in Transactions of the
Royal Society of Edinburgh, 1788, vol. 1, pp. 53-56. (2) (p. 191). Essay
on Dew, by W. C. Wells, M.D., F.R.S., London, 1818, pp. 124 f.

CHAPTER VI

MODERN THEORIES OF HEAT AND LIGHT

(1) (p. 215). Essays Political, Economical, and Philosophical, by
Benjamin Thompson, Count of Rumford (2 vols.), Vol. II., pp. 470-493,
London; T. Cadell, Jr., and W. Davies, 1797. (2) (p. 220). Thomas Young,
Phil. Trans., 1802, p. 35. (3) (p. 223). Ibid., p. 36.

CHAPTER VII

THE MODERN DEVELOPMENT OF ELECTRICITY AND MAGNETISM

(1) (p. 235). Davy's paper before Royal Institution, 1810. (2) (p. 238).
Hans Christian Oersted, Experiments with the Effects of the Electric
Current on the Magnetic Needle, 1815. (3) (p. 243). On the Induction
of Electric Currents, by Michael Faraday, F.R.S., Phil. Trans. of Royal
Society of London for 1832, pp. 126-128. (4) (p. 245). Explication of
Arago's Magnetic Phenomena, by Michael Faraday, F.R.S., Phil. Trans.
Royal Society of London for 1832, pp. 146-149.

CHAPTER VIII

THE CONSERVATION OF ENERGY

(1) (p. 267). The Forces of Inorganic Nature, a paper by Dr. Julius
Robert Mayer, Liebig's Annalen, 1842. (2) (p. 272). On the Calorific
Effects of Magneto-Electricity and the Mechanical Value of Heat, by J.