1. DaviesChemistry of Milk, 1939, p. 139.
2. DossCurr. Sci., 1935,4, 405; 1937,5, 645; 1938, 6,446 1938,7, 182.Kolloid-Z., 1938, 86, 205; 1939,87, 272.
3. Dunn and LewisJ. Biol. Chem., 1921,49, 327.
4. Gorter and GrendelProc. Acad. Sci. Amsterdam, 1925,29, 371.
5. —Ibid., 1926,29, 1262.