EXECUTIVE STAFF John J. Tigert, M.A., LL.D., President of the University Wilmon Newell, D.Sc., Director Harold Mowry, M.S.A., Asst. Dir., Research V. V. Bowman, M.S.A., Asst. to the Director J. Francis Cooper, M.S.A., Editor Jefferson Thomas, Assistant Editor Clyde Beale, A.B.J., Assistant Editor Ida Keeling Cresap, Librarian Ruby Newhall, Administrative Manager K. H. Graham, Business Manager Rachel McQuarrie, Accountant MAIN STATION, GAINESVILLE AGRONOMY W. E. Stokes, M.S., Agronomist' W. A. Leukel, Ph.D., Agronomist G. E. Ritchey, M.S., Associate2 Fred H. Hull, Ph.D., Associate W. A. Carver, Ph.D., Associate John P. Camp, M.S., Assistant Roy E. Blaser, M.S., Assistant ANIMAL HUSBANDRY A. L. Shealy, D.V.M., Animal Husbandman' R. B. Becker, Ph.D., Dairy Husbandman L. M. Thurston, Ph.D., Dairy Technologist W. M. Neal. Ph.D., Asso. in An. Nutrition D. A. Sanders, D.V.M., Veterinarian M. W. Emmel, D.V.M., Veterinarian N. R. Mehrhof, M.Agr., Poultry Husbandman 0. W. Anderson, M.S., Asst. Poultry Husb. W. G. Kirk, Ph.D., Asst. An. Husbandman R. M. Crown, B.S.A., Asst. An. Husbandman P. T.T Dix Arnold, M.S.A., Assistant Dairy Husbandman L. L. Rusoff, M.S., Asst. in An. Nutritions CHEMISTRY AND SOILS R. V. Allison, Ph.D., Chemist' F. B. Smith, Ph.D., Soils Chemist C. E. Bell, Ph.D., Associate R. B. French, Ph.D., Associate H. W. Winsor, B.S.A., Assistant J. Russell Henderson, M.S.A., Assistant L. W. Gaddum. Ph.D., Biochemist L. H. Rogers, M.A., Spectroscopic Analyst3 Richard A. Carrigan. B.S., Asst. Chemist ECONOMICS, AGRICULTURAL C. V. Noble, Ph.D., Agricultural Economist' Bruce McKinley, A.B., B.S.A., Associate Zach Savage, M.S.A., Associate A. H. Spurlock, M.S.A., Assistant ECONOMICS, HOME Ouida Davis Abbott, Ph.D., Specialist' Ruth Overstreet, R.N., Assistant ENTOMOLOGY J. R. Watson, A.M., Entomologist' A. N. Tissot, Ph.D., Associate H. E. Bratley, M.S.A., Assistant HORTICULTURE G. H. Blackmon, M.S.A., Horticulturist' A. L. Stahl, Ph.D.. Associate F. S. Jamison, Ph.D., Truck Horticulturist R. J. Wilmot, M.S.A., Specialist, Fumigation Research R. D. Dickey, B.S.A., Assistant Horticulturist J. Carlton Cain, B.S.A., Asst. Horticulturist Victor F. Nettles, M.S.A., Asst. Hort. PLANT PATHOLOGY W. B. Tisdale, Ph.D., Plant Pathologist' George F. Weber, Ph.D., Plant Pathologist R. K. Voorhees, M.S., Assistants Erdman West, M.S., Mycologist Lillian E. Arnold, M.S., Assistant Botanist BOARD OF CONTROL It. P. Terry, Chairman, Miami Thomas W. Bryant, Lakeland W. M. Palmer, Ocala H. P. Adair, Jacksonville Chas. P. Helfenstein, Live Oak J. T. Diamond, Secretary, Tallahassee BRANCH STATIONS NORTH FLORIDA STATION, QUINCY L. O. Gratz, Ph.D., Plant Pathologist in Charge R. R. Kincaid, Ph.D., Asso. Plant Pathologist J. D. Warner, M.S., Agronomist Jesse Reeves, Farm Superintendent CITRUS STATION, LAKE ALFRED A. F. Camp, Ph.D., Horticulturist in Charge John H. Jefferies, Superintendent Michael Peech, Ph.D., Soils Chemist B. R. Fudge, Ph.D., Associate Chemist W. L. Thompson, B.S., Asst. Entomologist W. W. Lawless, B.S., Asst. Horticulturist EVERGLADES STATION, BELLE GLADE J. R. Neller, Ph.D., Biochemist in Charge J. W. Wilson, Sc.D., Entomologist F. D. Stevens, B.S., Sugarcane Agronomist Thomas Bregger, Ph.D., Sugarcane Physiologist Jos. R. Beckenbach, Ph.D., Asso. Horticul. Frederick Boyd, Ph.D., Asst. Agronomist G. R. Townsend, Ph.D., Associate Plant Path R. W Kid 'er, B.S.. Asst. Animal Husbandman W. T. laorsec, Ph.D.. Asst. Chemist B. S. Clayton, B.S.C.E., Drainage Engineer2 SUB-TROPICAL STATION, HOMESTEAD W. M. Fifield, M.S., Asst. Horticulturist S. J. Lynch, B.S.A., Asst. Horticulturist Geo. D. Ruehle, Ph.D., Asso. Plant Pathologist W. CENTRAL FLA. STA., BROOKSVILLE W. F. Ward, M.S., Asst. An. Husbandman in Charge2 FIELD STATIONS Leesburg M. N. Walker, Ph.D., Plant Pathologist in Charge K. W. Loucks, M.S., Asst. Plant Pathologist Plant City A. N. Brooks, Ph.D., Plant Pathologist R. N. Lobdell, M.S., Asst. Entomologist Cocoa A. S. Rhoads, Ph.D., Plant Pathologist Hastings A. H. Eddins, Ph.D., Plant Pathologist Monticello Samuel 0. Hill, B.S., Asst. Entomologist' Bradenton David G. Kelbert, Asst. Plant Pathologist Sanford R. W. Ruprecht, Ph.D., Chemist in Charge, Celery Investigations W. B. Shippy, Ph.D., Asso. Plant Pathologist Lakeland E. S. Ellison, Meteorologist2 B. H. Moore, A.B., Asst. Meteorologist2 'Head of Department. 'In cooperation with U.S.D.A. 'On leave.