The American Genetic Association 
President, DAVID FAIRCHILD. 
Vice-President, W. E. CASTLE. 
Secretary, GEORGE M. ROMMEL. 
Treasurer, BOYD TAYLOR. 
Honorary Vice-Presidents: 
First President, JAMES WILSON. 
ALEXANDER GRAHAM BELL, MRS. E. H. HARRIMAN 
First Secretary, WILLET M. HAYS. 
Editorial Board: 
G.N. COLLINS 
WALTER VAN FLEET 
SEWALL WRIGHT 
E. W. SHEETS 
PAUL POPENOE 
FREDERICK ADAMS WOODS 
Managing Editor, OLIVER OLSON 
COUNCIL 
W. 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 ue Office of Crop Acclimatization, Bureau of Plant Industry, U. S. Department 
of Agriculture, Washington, D. 
DAVID FAIRCHILD, Agricultural Explorer in Charge of Foreign Seed and Plant Introduction, Bureau of Plant 
Industry, U. S. Department of Agriculture, Washington, D 
J. H. KEMPTON, Bureau of Plant Industry, U. S. Department of Agriculture, Washington, D.C. 
GEORGE M. ROMMEL, Chief of Animal Husbandry Divisioa, Bureau ot Animal Industry, U. S. Department of 
Agriculture, Washington, D. C. 
T. H. KEARNEY, Physiologist in Charge, Alkali and Drought-Resistant 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 
Plant Breeding ; 
WALTER T. SWINGLE, Chairman, Physiologist 
in Charge of Crop Physiology and Breeding Investiga- 
tions, Bureau of Plant Industry, U. S. Department of 
Agriculture, Washington, D. C. 
A.B. STOUT, Director of Laboratories, New York Botan- 
ical Garden, New York. 
HERBERT J. WEBBER, Secretary, Professor of 
Plant Breeding, University of California, Director 
of Citrus Substation and Dean of Graduate School 
of Tropical Agriculture, Riverside, Cal. 
HARVEY J. SCONCE, Sidell, Illinois. Mi 
H. HAROLD HUME, Glen Saint Mary Nurseries, 
Glen Saint Mary, Fla. 
R. A. EMERSON, Professor of Plant Breeding, Cornell 
University, Ithaca, N. Y. é 
D. F. JONES, Professor of Plant Breeding, Connecticut 
‘Agricultural Experiment Station, New Haven, Conn. 
A. D. SHAMEL, Pomologist, U. S. Department of 
Agriculture, Riverside, Cal. 
Animal Breeding 
LEON J. COLE, Chairman, Professor of Genetics, 
University of Wisconsin, Madison, Wis. 
T. S. PALMER, Vice-Chairman, Assistant Chief of 
Biological Survey, Washington, Dic; 
CHARLES R. STOCKARD, Secretary, Professor of 
Oe are Cornell Medical College, Ne- York, 
C. C. LITTLE, Carnegie Institution of Washington, 
Cold Spring Harbor, Long Island, N. Y. 
J. A. DETLEFSEN, Professor of Genetics, College of 
Agriculture, Urbana, Llinois. 
E. N. WENTWORTH, Armour & Company, Chicago, 
Ill. 
E. A, McILHENNY, Avery Island, La. 
Eugenics 
FREDERICK ADAMS WOODS, Chairman, Lecturer 
on Biology, Massachusetts Institute of i ete 
ADOLF MEYER, Vice-chairman, Professor of Psy- 
chiatry, Johns Hopkins University, and Director of 
Henry Phipps Psychiatric Clinic, Johns Hopkins Hos- 
ital, Baltimore, Md. 
CHARLES B. DAVENPORT, Secretary, Director 
Department of Experimental Evolution (Carnegie 
Institution of Washington), Cold Springs Harbor, 
Long Island, N. Y. 
HOMER FOLKS, Secretary, State Charities Aid Asso- 
ciation, New York City. 
THOMAS W. SALMON, Medical Director, National 
Committee for Mental Hygiene, New York City. 
EDWARD L. THORNDIKE, Professor of Educational 
Psychology, Columbia Ge 3 
MRS. CHARLES CARY RUMSEY, New York, N. Y¥. 
George Banta Publishing Company, Menasha, Wis. 
