[12] See Science and Hypothesis, chapter I.
[13] 'The Foundations of Logic and Arithmetic,' Monist, XV., 338-352.
[14] Second ed., 1907, p. 86; French ed., 1911, p. 97. G. B. H.
[15] Revue générale des sciences, June 30, 1905.
[16] In his article 'Le classi finite,' Atti di Torino, Vol. XXXII.
[17] At the moment of going to press we learn that M. Bucherer has repeated the experiment, taking new precautions, and that he has obtained, contrary to Kaufmann, results confirming the views of Lorentz.