CORRIGENDA.

Abstract

In the abstract “On a theorem due to Mr. Ôishi, ” I found a serious error in the relation between S_k, s_h, σ_k, so that my proof is not varid. M.Fujiwara. Wrong:-E₁=E₂=3., -£₁=E₂=3., m₁=36, visible tracks, given, case, Ishikawa Right:-E₁=E₂=3×4•8×10^-10, -E₁=E₂=3×4•8×10^-10, m₂=36, visible diffuse tracks, given rise, case, Ishiwara