[105] This paper was published in abstract in Phys. Rev., XXX (1909), 360, and Phil. Mag., XIX (1910), 209.

[106] This paper was published in abstract in Phys. Rev., XXXI (1910), 92; Science, XXXII (1910), 436; Phys. Zeitschr., XI (1910), 1097.

[107] Wien. Ber., CXIX (1910), II, 809. This publication was apparently not issued before December, 1910, for it is not noted in Naturae Novitates before this date.

[108] Proc. Roy. Soc., LXXXIII (1910), 360.

[109] These results were presented and discussed at great length in the fall of 1910; see Phys. Zeitschr., XI (1910), 619, 940.

[110] Phys. Zeitschr., XII (1911), 161; Phys. Rev., XXXII (1911), 394.

[111] Le Radium, VIII (1911), 279; Phys. Rev., XXXIII (1911), 107.

[112] Phys. Rev., XXXIII (1911), 366, 367.

[113] See R. Pohl, Jahrbuch der Radioaktivität und Elektronik, VII (1912), 431.

[114] Wien. Sitzungsber., CXXIII (1914), 53-155; Ann. d. Phys., XLIV (1914), 657.