ASSOCIATE EDITORS 



EDGAR ALTENBERG, Deparlment of Botany, Columbia üniversity 



HUGH AUCHINCLOSS, Department of Stti'gcry, Columbia Umversity 



GEORGE BAEHR, Mount Sinai Hospital 



CHARLES W. BALLARD, College of Pliannacy, Columbia Üniversity 



STANLEY R. BENEDICT, Cornell Üniversity Medical School 



LOUIS E. BISCH, Manhattan State Hospital 



CHARLES F. BOLDUAN, Health Department of New York City 



SAMUEL BOOKMAN, Mount Sinai Hospital 



SIDNEY BORN, Department of Chemistry, Columbia Üniversity 



WILLIAM BALLANTINE BOYD, College of the City of New York 



EDWARD C. BRENNER. Bellevue Hospital 



JEAN BROADHURST, Teachers College, Columbia Üniversity 



JACOB J. BRONFENBRENNER, Rockef eller Institute for Medical Research 



LEO BUERGER, Mt. Sinai Hospital 



JESSE G. M. BULLOWA, Nezu York Polyclinic Medical School 



GERTRUDE S. BURLINGHAM, Eastern District High School, Brooklyn 



RUSSELL BURTON-OPITZ, Department of Physiology, Columbia Üniversity 



HERBERT S. CARTER, Presbyterian Hospital 



ARTHUR F. CHACE, New York Post Graduate Medical School 



ALFRED E. COHN, Rockcfeller Institute for Medical Research 



EDWARD M. COLIE, Jh., Bellevue Hospital 



BURRILL B. CROHN, Mt. Sinai Hospital 



LOUIS J. CURTMAN, College of the City of New York 



C. A. DARLING, Department of Botany, Columbia Üniversity 



WILLIAM DARRACH, Department of Snrgery, Columbia Üniversity 



NORMAN E. DITMAN, St. Luke's Hospital 



BENJAMIN G. FEINBERG, College of the City of New York 



HARRY L. FISHER, Cornell Üniversity Medical School 



SIMON S. FRIEDMAN, Mt. Sinai Hospital 



C. STUART GAGER, Brooklyn Botanical Garden 



A. J. GOLDFARB, College of the City of New York 



F, G. GOODRIDGE, Vanderbilt Clinic, Columbia Üniversity 



DONALD GORDON, Department of Physiology, Columbia Üniversity 



MARK J. GOTTLIEB, Fordham Univer'sity 



ISIDOR GREENWALD, Montefiore Home Laboratory 



LOUISE HOYT GREGORY, Barnard College 



ABRAHAM GROSS, Department of Chemistry, Columbia Üniversity 



BEATRIX H. GROSS, N. Y. City Normal College 



BENJAMIN C. GRUENBERG, Brooklyn Commercial High School 



FREDERIC M. HANES, Department of Pathology, Columbia Üniversity 



JOHN D. HASEMAN, Department of Zoology, Columbia Üniversity 



HAROLD M. HAYS, Nezv York Eye and Ear Infirmary 



ALFRED M. HELLMAN, German Hospital 



MELVIN G. HERZFELD, German Hospital 



ALFRED F. HESS, Health Department of New York City 



FRANK T. HUGHES, Boys High School, Brooklyn 



FREDERICK B. HUMPHRIES, German Hospital 



LOUIS HUSSAKOF, American Museum of Natural History 



PETER IRVING, Department of CUnical Pathology, Columbia Üniversity 



HENRY H. JANEWAY, City Hospital, New York 



CA VALIER H. JOÜET, Department of Chemistry, Columbia Üniversity 



DAVID J. KALISKI, Mt. Sinai Hospital 



EDWARD C. KENDALL, St. Luke's Hospital 



