R. NAGARAJARao AND A. T. NATARAJAN,Mutagenicity of some alkyl alkanesulfonates in barley, Mutation Res., 2 (1965) I32-I48. The concentrations of the mutagens, in this article, should read as IO 4 M instead of I0 aM.
E. INAGAKI AND Y. NAKAO,Comparison of frequency patterns between whole-body and fractional mutations induced by X-rays in Drosophila melanogaster, Mutation Res., 3 (1966) 268-272. Page 269, lines 4 and 5 under Table I should read: "decrease with increasing dose in the ranges employed, i.e., I.O (6/(7) at IOOO R, 0.38 (5/13) at 2000 R, 0.20 (6/30) at 3000 R, and o.16 (3/19) at 4o00 R "
C. O. DOUDNEY, Photoreversal of ultraviolet light induced nmtation, lethality and damage to nucleic acid formation in bacteria, Mutation Res., 3 (1966) 28o-297. Page 292, first line should read: " a n d protein synthesis is descernable with light doses effective in photoreversal of"