ERRATA.Vol. 49, 1952.Page. Line.109 4* For dinitro-(N-ethyl-N-methylglycine)platinate(II) read potas-183 - Formulx (LIII) and (LIV) should readsium dinitro- (N-ethyl-N-methylglycine) platinate (11).195 - T h e sentence beginning Hydrogenation of the double bond . . .should be moved forward to pvecede that beginning This micro-biological hydroxylation . . .* From bottom of main text