1. Adrian, E. D., and Bronk, D. W. (1929). J. Physiol., 67, 119.
2. Bowden, R. E. M., and Gutmann, E. (1946). Arch.
3. Brown, G. L., and Harvey, A. M. (1939). Brain., 62, 341.
4. In myopathies the spikes in " single discharges,";Buchthal, F.; Clemmesen, S.;Acta neurol; a,1941
5. -, --(1941 b). Ibid., 16, 389.