April 5, 1913.
[1] Communicated by Prof. E. Rutherford, F.R.S.
[2] E. Rutherford, Phil. Mag. xxi. p. 669 (1911).
[3] See also Geiger and Marsden, Phil. Mag. April 1913.
[4] J. J. Thomson, Phil. Mag., vii. p. 237 (1904).
[5] See f. inst., ‘Théorie du rayonnement et les quanta.’ Rapports de la reunion à Bruxelles, Nov. 1911. Paris, 1912.
[6] See f. inst., M. Planck, Ann. d. Phys. xxxi. p. 758 (1910); xxxvii. p. 642 (1912); Verh. deutsch. Phys. Ges. 1911, p. 138.
[7] A. Einstein, Ann. d. Phys. xvii. p. 102 (1905): xx. p. 199 (1906); xxii. p. 180 (1907).
[8] A. E. Haas, Jahrb. d. Rad. u. El. vii. p. 261 (1910). See further, A. Schidlof, Ann. d. Phys. xxxv. p. 90 (1911); E. Wertheimer, Phys. Zeitschr. xii. p. 409 (1911), Verh. deutsch. Phys. Ges. 1912, p. 431; F. A. Lindemann, Verh. deutsch. Phys. Ges. 1911, pp. 482, 1107; F. Haber, Verh. deutsch. Phys. Ges. 1911, p. 1117.
[9] J. W. Nicholson, Month. Not. Roy. Astr. Soc. lxxii. pp. 49, 139, 677, 693, 729 (1912).