Atom bomb cataracts.

Atom Bomb Cataracts: David G. Cogan, S. Forrest Martin, and Samuel J. Kimura.654 Cyclotron-induced Radiation Cataracts: P. H. Abelson and P. G. Kruger.655 Sodium 2-Methyl4-Dimethylaminophenylphosphinite, a Probable Methyl Donor: G. Moruzzi, C. A. Rossi, and A. Rabbi. 657 Application of Perchloric Acid Technique to Protozoa: B. R. Seshachar and Eleanor Weiss Flick .659 The Use of Triphenyltetrazolium Chloride for the Study of Respiration of Tissue Slices: Maurice M. Black and Israel S. Kleiner .660 Electrolytically Induced Reactions: W illiam M arshall MacNevin ...................... ... ....... 661 The Isolation of a Metabolite of Pentobarbital: E. W. Maynert and H. B. van Dyke .................. 661 Detection of Radioactive Impurities by the Constant Solubility Test: Helmut R. Gutmann and John L. Wood ...... 662 Some Observations on Exchange of CO2 Between BaCO3 and CO2 Gas: George Samos .......... .......................... 663 Modifications of the Rabbit Ear Chamber Technique: J. J. Ahern, W. R. Barclay, and R. H. Ebert ........... ......................... 665