[44] Italics inserted by R. H. C.

[45] See Hahn, Massen, Nencki, und Pawlow: Archiv f. exper. Pathol. u. Pharm. Band XXXII. (1893), p. 161. Also, Nencki, Pawlow, und Zaleski: Ibid. Band XXXVII., p. 26.

[46] The physiological effect of creatin and creatinin, etc. Bulletin No. 66, U. S. Department of Agriculture, Office of Experiment Stations.

[47] Untersuchungen zur Physiologie und Pathologie der Harnsäure bei Säugethieren. Archiv f. exper. Pathol. u. Pharm. Band XLI., p. 406.

[48] See Burian and Schur., Archiv f. die gesammte Physiologie. Band LXXXVII., p. 239.

[49] The alloxuric bases in aseptic fevers. Amer. Journal of Physiology Vol. X., p. 452.

[50] Ptomaines and Leucomaines, or the Chemical Factors in the Causation of Disease. Third Edition, 1896. Lea Brothers, p. 550.

[51] The Practitioner. London. July, 1903. p. 61.

[52] Centralblatt für Physiologie. Band XVII, p. 715. 1904.

[53] The Practitioner, July, 1903, p. 83.