[370] The numbers printed beside the points on the curves refer to the number of the experiment in the original paper.

[371] Lash, Miller and Kenrick, Journ. Physical. Chem., 1903, 7. 259; Allan, Amer. Chem. Journ., 1901, 25. 307.

[372] Allan, Amer. Chem. Journ., 1901, 25. 307.

[373] Hoitsema, Zeitschr. physikal. Chem., 1895, 17. 651; Allan, loc. cit.

[374] Rutten, Zeitschr. anorgan. Chem., 1902, 30. 342. Compare the system BeO—SO3—H2O; Parsons, Zeitschr. anorgan. Chem., 1904, 42. 250.

[375] Zeitschr. anorgan. Chem., 1904, 40. 146.

[376] Schreinemakers, Zeitschr. physikal. Chem., 1893, 11. 76; Bancroft, Journ. Physical Chem., 1902, 6. 179.

[377] Zeitschr. anorgan. Chem., 1904, 40. 148.

[378] Zeitschr. physikal. Chem., 1903, 43. 354.

[379] These equilibria were obtained by Boudouard, Annales chim. phys., 1901 [7], 24. 5. See also Hahn, Zeitschr. physikal. Chem., 1903, 42. 705; 44. 513.