1. R. C. Arnold:Phys. Rev.,153, 1506 (1967); A list of references to earlier work is contained in this article.
2. D. D. Reeder andK. V. L. Sarma: to be published inNuovo Cimento.
3. The data considered here are taken from the following sources: Reaction (1)R. R. Kofler, D. D. Reeder andR. Hartung:Proceedings of the XIII International Conference on High-Energy Physics (1966) (to be published inPhys. Rev.); Reaction (2)O. I. Dahl, L. Hardy, R. Hess, J. Kirz, D. Miller andJ. Schwartz: U.C.R.L.-17217 preprint (to be published);
4. Reaction (3) private communication fromJ. Loos, University of Illinois.
5. L. L. Wang:Phys. Rev.,142, 1187 (1966);153, 1664 (1967).