s+JL 



Vlll CONTENTS 



8. The Manner of Production of Mutations by Radiation . 475 



H. J. Muller 



9. Chromosome Aberrations Induced in Animal Cells by 



Ionizing Radiations 627 



Berwind P. Kaufmann, Resident Investigator, Department of Genetics, 

 Carnegie Institution of Washington, Cold Spring Harbor, New York 



10. Radiation-induced Chromosome Aberrations in Trades- 

 cantia 713 



Norman H. Giles, Jr., Professor of Botany, Osborn Botanical Labora- 

 tory, Yale University, New Haven, Connecticut, and Consultant, Biology 

 Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 



11. Immediate Effects on Division, Morphology, and Via- 

 bility OF THE Cell 763 



J . Gordon Carlson, Professor of Zoology, Department of Zoology and 

 Entomology, The University of Tennessee, Knoxville, Tennessee, and 

 Consultant, Biology Division, Oak Ridge National Laboratory, Oak Ridge, 

 Tennessee 



12. Genetic Effects of Radiation in Mammals .... 825 



W. L. Russell, Principal Geneticist, Biology Division, Oak Ridge 

 National Laboratory, Oak Ridge, Tennessee 



13. The Effects of Radiation on Mammalian Prenatal 

 Development 861 



Liane Branch Russell, Biologist, Biology Division, Oak Ridge National 

 Laboratory, Oak Ridge, Tennessee 



14. The Pathological Physiology of Radiation Injury in the 

 Mammal. I. Physical and Biological Factors in Radia- 

 tion Action 919 



Harvey M. Pali, Senior Physiologist, Division of Biological and Medical 

 Research, Argonne National Laboratory, Lemont, Illinois 



Austin M. Brii.es, Director, Division of Biological and Medical Research, 

 Argonne National Laboratory, Lemont, Illinois 



15. The Pathological Physiology of Radiation Injury in the 



Mammal. II. Specific Aspects of the Physiology of 



Radiation Injury 959 



Harvey M. Pait 

 Austin M. Brues 



