CONTRIBUTORS 



Cyrus P. Barnum, Department of Physiological Chemistry, Uni- 

 versity of Minnesota, Minneapolis, Minnesota 



George A. Bartholomew, Department of Zoology, University of 

 California, Los Angeles, California 



Lela V. Barton, Boyce Thompson Institute for Plant Research, Inc., 

 Yonkers, New York 



J. Bensink, Laboratory of Plant Physiological Research, Agricultural 

 University, Wageningen. The Netherlands 



John J. Bittner, The Medical School, University of Minnesota, 

 Minneapolis, Minnesota 



Lawrence Bogorad, Department of Botany, University of Chicago, 

 Chicago, Illinois 



James Bonner, Division of Biology, California Institute of Tech- 

 nology, Pasadena, California 



H. A. Borthwick, Crops Research Division, Agricultural Research 

 Service, United States Department of Agriculture, Beltsville, Mary- 

 land. 



Frederick S. Brackett, National Institute of Arthritis and Meta- 

 boHc Diseases, National Institutes of Health, Bethesda, Maryland 



Victor G. Bruce, Biology Department, Princeton University, Prince- 

 ton, New Jersey 



M. J. BuKOVAC, Department of Horticulture, Michigan State Uni- 

 versity, East Lansing, Michigan 



William S. Bullough, Department of Zoology, Birkbeck College, 

 University of London, London, England 



Bob Bullwinkel, Department of Biology, Princeton University, 

 Princeton, New Jersey 



Erwin BiJNNiNG, Botanical Institute, University of TUbingen, Tii- 

 bingen, Germany 



