1. Allgén, L.-G., and Roswall, S. (to be published). Cf. J. Polymer Sci., 12, 229 (1954); 14, 281 (1954). Dintzis, H. M., Oncley, J. L., and Fuoss, R. M., Proc. U.S. Nat. Acad. Sci., 40, 62 (1954).
2. Jungner, G., Acta Physiol. Scand., 10, Supp. 32 (1945). Jungner, I., ibid., 20, Supp. 69 (1950). Allgén, L.-G., ibid., 22, Supp. 76 (1950).
3. Oncley, J. L., in Cohn and Edsall, “Proteins, Amino Acids and Peptides”, 543 ff. (Reinhold, N.Y., 1943).
4. Fuoss, R. M., Dis. Farad. Soc., 11, 125 (1951). Doty, P., and Ehrlich, G., “Ann. Rev. Phys. Chem.”, 3, 81 (1952).
5. Fuoss, R. M., and Strauss, U. P., J. Polymer Sci., 3, 602 (1948). Pals, D. T. F., and Hermans, J. J., ibid., 3, 897 (1948). Fuoss, R. M., and Cathers, G. I., ibid., 4, 97 (1949). Balazs, E. A., and Laurent, T. C., ibid., 6, 665 (1951).