837pected. These are discussed in a recent note of Cini, Gatto, Goldwasser, and Ruderman. 12 Among the four terms discussed by these authors, the direct interaction and the ^>-wave terms disappear for zero meson momentum and the difference between the two cross sections arises from the "recoil term" which has its origin in the magnetic moments of the nucleons. Adopting the results of Baldin's analysis quoted in the last reference, 12 the ratio a(y-{-n -• > ir~-\-p)/ .