The American Genetic Association 



Pr$si4*nt. DAVID FAIRCHILD. 



VU*-Prttid4mt, W. E. CASTLE. 

 Tr—tuf*r, BOYD TAYLOR. 



S0trtt»y. GEORGE M. ROMMEL. 



Bonor»ry Vic4-Preridentt: ALEXANDER GRAHAM BELL and MRS. E. H. HARRIMAN 

 PirsI Pr*iid4iit, JAMES WILSON. Pint Stcritan, WILLET M. HAYS. 



BditcrUl B&*rd: 



G. N. COLLINS SEW ALL WRIGHT 



WALTER VAN FLEET E. W. SHEETS 



PAUL POPENOE 



FREDERICK ADAMS WOODS 



Uanatint Editsr, OLIVER OLSON 



COUNCIL 



W. E. CASTLE, Professor of Zoology, Huvard Dnivertity, and Research Associate of the Camecie liiatitation of 

 WasbiogtoD; CambridKe, Mass. 



G. N. COLLINS, BoUnist, Bureau of Plant Industry, U S. Department of Aghcultoie, Washington, D. C. 



O. F. COOK, Bionomist in Charge of Office o( Crop Acclimatization. Bureau of Plant Industry, U. S. Department 

 of Agriculture, Washington, D. C 



DAVID FAIRCHILD, Agricultural Explorer in Charge of Foreign Seed and Plant Introduction, Bureau of Plaat 

 Industry, U. S. Department of Agriculture, Washington, D. C. 



J H. KEMPTON, Bureau of Plant Industry , 0. S. Department of Agriculture. Washington, D. C. 



GEORGE M. ROMMEL, Chief of Animal Husbandry Divisina, Bureau ot Animal Industry, 0. S. Department ei 

 Agriculture, Washington, D. C. 



T. H. KEARNEY, Physiologist in Charge, Alkali and Drought-Resistant Plant Breeding Investigations. Bureau of 

 Plant Industry, U. S. Department ofAgriculture, 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. STOLT, Director of Laboratories. New York Botan- 

 ical Garden, New York. 



HERBERT 1. WEBBER, SecreUry. Professor of 

 Plant Breeding, University of California, Director 

 of Citrus Substation and Dean of Graduate School 

 of Tropical Agriculture, Riverside, Cal. 



HARVEY I. SCONCE. Sidell, Illinois. 



H. HAROLD HUME, Glen Saint Mary Nurseries, 

 Glen Saint Mary, Fla. 



R. A. EMERSON, Professor of Plant Breeding, Cornell 

 University, Ithaca, N. Y. 



D. F. ^ONEii Professor of Plant Breeding, Connecticut 

 Agricultural Experiment Station, New Haven, Conn. 



A. D. SHAM EL, 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, AsaisUnt Chief of 



Biological Survey, Washington, D. C. 



CHARLES R. STOCKARD, SecreUry, Professor of 



Anatomy, Cornell Medical College, New York, 



N. Y. 

 C. C. LITTLE, Carnegie Institution of Washington, 



Cold Spring Harbor, Long Island, N. Y. 

 J. A. DETLEFSEN, Professor of GeneUca. College of 



Agriculture, Urbana, Dlinnis. 

 E. N. WENTWORTH, Armour & Company, Chicago, 



III. 

 E. A. McILHENNY. Avery Island, La. 



Eugenics 



FREDERICK ADAMS WOODS. Chairman, L«:tnrer 

 on Biology, Massachusetu Institute of Technology. 



ADOLF MEYER Vice-chairman^ Professor of Psy- 

 chiatry, Johns Hopkins University, and Director of 

 Henry Phipps Psychiatric Qinic, Johns Hopkins Hos- 

 pital, Baltimore, Md. 



CHARLES B. DAVENPORT, SecreUry, Director 

 Department of Experimenul Evolution (Carnegie 

 Institution of Washington). Cold Springs Harbor, 

 Long Island, N. Y. 



HOMER FOLKS, Secretary, Sute Charities Aid Ask>- 

 ciation. New York City. 



THOMAS W. SALMON, Medical Director, National 

 Committee for Menul Hygiene New York City. 



EDWARD L. THORNDIKE. Professor of Educational 

 Psychology, Columbia University. 



MRS. CHARLeS CARY RUMSEY, New York. N. Y. 



G*Mg« Uaalu lablishiagCMipaoT. Uaoiik*. Wi*. 



