1. F. Schütz, J. Physiol.105, 17, P (1946).
2. K. M. Birch andF. Schütz, Brit. J. Pharmacol.1, 186 (1946).
3. M. Millington andF. Schütz, in preparation.
4. S. B. Holtham andF. Schütz, Biochim. Biophys. Acta (1948), in the press.
5. P. Dirnhuber andF. Schütz, Biochem. J.41, liv (1947);