Contents ix 



PAGE 



The influence of radiation on the metabolism of ascites 

 tumour cells 



by A. FoRSSBERG ....... 212 



Discussion : Forssberg, Howard, Krebs, Lajtha, Latarjet, 



POPJAK ......... 222 



Influence of radiation on metabolism of regenerating rat 

 liver 



by Barbara E. Holmes ...... 225 



Discussion: Gray, de Hevesy, Holmes, Howard, Roller, 



Lajtha ......... 2.36 



The induction of chromosomal aberrations by ionizing 

 radiation and chemical mutagens 



by C. P. SwANSON and B. Kihlman .... 239 



Discussion: Alper, Van Bekkum, Bracket, Haddow, 

 Hollaender, Holmes, Howard, Roller, Pirie, Spiegel- 

 man, SWANSON ........ 251 



Primary sites of energy deposition associated with radio- 

 biological lesions 



by L. H. Gray 255 



Discussion: Alexander, Butler, Gray, Hollaender, 



Roller, Lajtha, Latarjet, Swans on .... 270 



Effects of radiation and peroxides on viral and bacterial 

 functions linked to DNA specificity 



by R. Latarjet ....... 275 



Discussion: Alexander, Alper, Butler, Dale, Gray, 



Latarjet, Popjak, Spiegelman ..... 297 



General Discussion : Alexander, Butler, Dale, Haddow, de 

 Hevesy, Hollaender, Holmes, Howard, Laser, Latar- 

 jet, Mitchell, Popjak ...... 300 



Chairman's closing remarks 



by A. Haddow ........ 307 



