X CONTENTS 



Paper P^o^ 



XXXIV. Chlorophyll and Chlorophyll Development in Relation to 



Radiation 1093 



O. L. Inman, Director, Kettering Foundation for the Study of 



Chlorophyll and Photosynthesis, Antioch College, Yellow Springs, 



Ohio 



Paul Rothemund, Research Chemist, Kettering Foundation for 



the Study of Chlorophyll and Photosynthesis, Antioch College, 



Yellow Springs, Ohio 



C. F. Kettering, Director of Research, General Motors Corporation 



XXXV. Radiation and Anthocyanin Pigments 1109 



John M. Arthur (see Paper XX) 



XXXVI. Effects OF Radiation on Bacteria .1119 



B. M. Duggar, Professor of Plant Physiology and Applied Botany, 

 University of Wisconsin, Madison 



XXXVII. The Effects OF Radiation ON Enzymes 1151 



Harold A. Schomer, Fellow in Botany, University of Wisconsin, 

 Madison 



XXXVIII. Induced Chromosomal Aberrations IN Animals 1167 



Theodosius Dohzhansky, Assistant Professor of Genetics, California 

 Institute of Technology, Pasadena i 



XXXIX. Radiation and the Study of Mutation in Animals 1209 



Jack Schultz, Research Assistant, Carnegie Institution of Washing- 

 ton, California Institute of Technology, Pasadena 



XL. Induced Mutations in Plants 1263 



L. J. Stadler, Senior Geneticist, Bureau of Plant Industry, U.S. 

 Department of Agriculture, and Professor of Field Crops, Uni- 

 versity of Missouri and Agricultural Experiment Station, Columbia 



XLI. Induced Chromosomal Alterations 1281 



T. H. Goodspeed, Professor of Botany and Director Botanical 

 Garden, University of California, Berkeley 



XLII. Induced Chromosomal Alterations IN Maize 1297 



E. G. Anderson, Department of Biology, California Institute of 

 Technology, Pasadena 



XLIII. Biological Aspects of the Quantum Theory of Radiation 



Absorption in Tissues 1311 



John W. Gowen, Associate Member, Department of Animal and 

 Plant Pathology, The Rockefeller Institute for Medical Research, 

 Princeton 



Subject Index 1331 



Alphabetical List of Contributors 1343 



