ISC) RADIATION HIOLOGY 

 (1949b) Recovery from ultraviolet-liglit-indufecl di'lay in cleavage of Arbacia 



^ 



eggs by irradiation with visible liglit. liiol. IJulI. 97: 315-322. 

 Monod, J., A. Torriani, aiul M. Jolit ( I'.Mit i Sur la reactivation de bacteries sterilisees 



par le rayonnement UV. Conipt. rend., 229: 557-559. 

 Xewconibe, H. B. (1950) Photoreversal of the mutagenic effect of ultraviolet light in 



E. coli. Genetics, 35: 682. 

 Xewcombe, H. B., and G. W. Scott (1949) Factors responsible for the delayed 



appearance of radiation-induced mutants in Escherichia coli. Genetics, 34: 475- 



492. 

 Xewcombe, li. B., and H. A. W hitehead (1950) Photoreversal of ultraviolet-induced 



nuitagenic and lethal effects in Escherichia coli. J. Bacteriol., 61: 243-251. 

 Novick, A., and L. Szilard (1949) Experiments on light reactivation of ultraviolet- J 



inactivated bacteria. Proc. Natl. Acad. Sci. U.S., 35: 591-600. 

 Puck, T. T., A. Garen, and J. Cline (1951) The mechanism of virus attachment to - 



host cells. I. The role of ions in the primary reaction. J. Exptl. Med., 93: 1 



65-88. 

 Shugar, D. (1951) Photoreactivation in the near ultraviolet of u-glycerol-iildcliyde- 



3-pliosphate dehydrogenase. Experientia, 7: 26-28. 

 Swenson, P. A. (1950) The action spectrum of the inhibition of galactozymas(> pro- 

 duction by ultraviolet light. Proc. Natl. Acad. Sci. U.S., 36: 699-702. 

 Swenson, P. A., and A. C. Giese (1950) Photoreactivation of galactozymase forma- 

 tion in yeast. J. Cellular Comp. Physiol., 36: 369-380. 

 Watson, J. D. (1950) The properties of X-ray-inactivated phage. I. Inactivation 



by direct effect. J. Bacteriol., 60: 697-718. 

 Wells, P. H., and A. C. Giese (1950) Photoreactivation of ultraviolet light injury in 



gametes of the sea urchin Strongtjlocentrotus p^trpiiratits. Biol. Bull., 99: 163-172. 

 Whitaker, D. M. (1941-42) Counteracting the retarding and inhibitor}' effect of 



strong ultraviolet on Fvcus eggs by white light. J. (Jen. Physiol., 25: 391-397. 

 Witkin, E. M. (1946) Inherited differences in sensitivity to radiation in Escherichia 



coli. Proc. Natl. Acad. Sci. U.S., 32: 59-68. 



Manuscript received liy the editor June 20, 1952 



