CONTRIBUTOR0 TO VOLUME 1 GEORGE L. BAKER,University of Delaware Agricultural Experiment Station, Newark, Delaware. E. C. BATE-SMITH, Low Temperature Research Station, University o j Cambridge and Department of Scientific and Industrial Research, Cambridge, England. KENNETH C. BEESON,U. S. Plant, Soil and Nutrition Laboratory, Zthaca, New York. L. E. CLIFCORN, Research Department, Continental Can Co., Chicago, Illinois. HARRYL. FEVOLD, Quartermaster Food and Container Znstitute for the Armed Forces, Chicago, Illinois. SAMUEL LEPKOVBKY, University of California, Berkeley, Calijmia. HOWARD D. LIGHTBODY, Quartermaster Food and Container Znstitute for the Armed Force's, Chicago, Illinois. BELLELOWE,Zowa State College, Ames, Zowa. A. FRANKR o ~ BCornell , University, Zthuca, New York. G. FREDSOMERB, U. S. Plant, soil and Nutrition Laboratory, Zthaca, New York. EARLR. STADTMAN, University of Calijornia, Berkeley, Calijornia. ORVILLEWYBS,University of Texas, Austin, Texas.