The American Genetic Association 
President, DAVID FAIRCHILD. Vice-President, W. E, CASTLE. Secretary, GEORGE M. ROMMEL, 
Treasurer, BOYD TAYLOR. y 
Honorary Vice-Presidents: ALEXANDER GRAHAM BELL, MRS. E. H. HARRIMAN 
First President, JAMES WILSON. First Secretary, WILLET M. HAYS. 
Editorial Board: , 
G.N. COLLINS SEWALL WRIGHT PAUL POPENOE 
WALTER VAN FLEET E. W. SHEETS FREDERICK ADAMS WOODS 
Managing Editor, OLIVER OLSON 
COUNCIL 
E. CASTLE, Professor of Zoology, Harvard University, and Research Associate of the Carnegie Institution of 
* Washington: Cambridge, Mass. 
G. N. COLLINS, Botanist, Bureau of Plant Industry, U. S. Department of Agriculture, Washington, D. C. 
O. F. COOK, Bionomist in Charge of Office of Crop Acclimatization, Bureau of Plant Industry, U. S. Department 
of Agriculture, Washington, 
DAVID FAIRCHILD, Agricultural Explorer in Charge of Foreign Seed and Plant Introduction, Bureau of Plant 
Industry, U.S. Department of Agriculture, Washington, D. C. 
J. H. KEMPTON, Bureau of Plant Industry, U. S. Department of Agriculture, Washington, D.C. 
GEORGE M, ROMMEL, Chief of Animal Husbandry Division, Bureau of Animal Industry, U. S. Department of 
Agriculture, Washington, D. Cc 
T. H. KEARNEY, Physiologist in Charge, Alkali and Bhteaie o Plant Breeding Investigations, Bureau of 
Plant Industry, U.S. Department of Agriculture, Washington, D. C.{ 
FREDERICK ADAMS WOODS, Lecturer on Biology, Massachusetts Institute of Technology. 
SEWALL WRIGHT, Senior Animal Husbandman in Animal Genetics, Bureau of Animal Industry, U.S. Department 
of Agriculture, Washington, D. C. 
\ 
COMMITTEES ON RESEARCH 
i CHARLES R. STOCKARD, Secretary, Professor of 
Plant Breeding eae Cornell Medical College, Ne. York, 
WALTER T. SWINGLE, Chairman, Physiologist N.Y, ; 
in Charge of Crop Physiology and Breeding Investiga- C- aS 4 te Serie: Institution of Washington, 
tions, Bureau of Plant Industry, U. S. Department of A DETLEFSEN, ' oe Island, f 
Agriculture, Washington, D. C. f eH, Urbana, Aino. yi Genet, ee a 
feat TOUR, Tine oi Laboratories, New York Botan- EAN. WE TWORTH, Arison & Company, Chicago, 
HERBERT i. WEBBER, Secretary, Professor of 
Plant Breeding, University of California, Director E. A. McILHENNY, Avery Island, La. 
of Citrus Substation and Dean of Graduate School 
a ye VEN SeGNCE gi Rives Cal. . Eugenics 
1de) nols. 
Fee ae Een ES story Nurasie, FREDERICK ADAMS WOODS, Chaim, Lecturer 
W GlenSaint Mary, Fla ADOLF MEYER, Vice-chairman, Professor oes Psy- 
A. EMERSON, Professor of Plant Breeding, Cornell chiatry, Johns Hopkins University, and Director of 
University, Ithaca, N. Y. Henry Phipps Psychiatric Clinic 7 hns Hopkins Hos- - 
D.'F. JONES, Professor of Plant Breeding, Connecticut ital, Baltimore, Md. ‘ 
Agricultural Experiment Station, New Haven, Conn. CHARL LES B. DAVENPORT, Secretary, Director 
D, SHAMEL, Pomologist, U. S. Department of Department of Experimental’ Evolution’ (Carnegie 
: ‘Agriculture, Riverside, Cal. Tae Washington), Cold Springs Harbor, 
ng Islan: 
HOMER FOLKS, Fy chat State Charities Aid Asso- 
i i ciation, New York Cit: 
nici tiga ei THOMAS W, SALMON, Medical Director, National 
LEON J. COLE, Chairman, Professor of Genetics, Committee for Mental Hygiene, New York City. 
meet of Wisconsin, Madison, Wis. EDWARD L. THORNDIKE, Professor of Educational 
T. S. PALMER, Vice-Chairman, ‘Assistant Chief of Psychology, Columbia University 
Biological Survey, Washington, D. C. MRS. CHARLES CARY RUMSEY, New York, N. Y. 
Georgo Banta Publishing Company, Menasha, 
