1. Balthrop, E., Gallagher, W. B., McDonald, T. F., and Camariotes, S., J. Florida Med. Assoc.,40, 813–820 (1954).
2. Decossas, K. M., Molaison, H. J., and Pollard, E. F., J. Am. Oil Chemists’ Soc.,31, 338–341 (1954).
3. Dieckert, J. W., Carney, W. B., Ory, R. L., and Morris, N. J., Anal. Chem., in press.
4. Dieckert J. W., and Morris, N. J. J. Agr. Food Chem., in press.
5. Dieckert, J. W., and Morris, N. J., Anal. Chem.,29, 31–32 (1957).