[451]. See article in Le Radium, No. 3, p. 81, Sept. 15, 1904.
[452]. J. J. Thomson, Proc. Camb. Phil. Soc. 12, p. 391, 1904.
[453]. Wood, Phil. Mag. April, 1905.
[454]. Campbell, Nature, p. 511, March 31, 1904. Phil. Mag. April, 1905.
[455]. An apparent exception has been observed by Danne in the case of certain lead minerals which occur under peculiar conditions at d’Issy-l’Évêque, France. See p. [465].
- Transcriber’s Notes:
- Inconsistent spelling and hyphenation were made consistent only when a predominant form was found in this book.
- Footnotes have been collected at the end of the text, and are linked for ease of reference.