1. See Fischer, Medical Record, 1901, March 30, where a review of the literature in its application to physiology and pathology is given in greater detail.

2. Loeb, Pflüger's Arch., 1897, lxix., p. I.

3. Loeb, ibid., 1899, lxxv., p. 303.

4. Loeb, "Beitrage zur Physiologie," Festschr. f. A. Fick, 1899, p. 101.

5. Lingle, Am. Jour. Physiol., 1900, iv., p. 265.

6. Loeb, ibid., 1900, iii., p. 383.

7. Dreser, Arch. f. exp. Pathol, u. Pharmakol., 1893, xxxii., p. 456.

8. Paul and Krönig, Zeitschr. f. physik. Chem., 1896, xxi., p. 414.

9. Scheurlen and Spiro, Münchener med. Wochenschr., 1897, xliv., p. 8l. 10. Loeb, Pflüger's Arch., 1901, lxxxviii., p. 68.

11. Loeb, Am. Jour. Physiol., 1902, vi., p. 411.