The American Genetic Association 



rtuidtnl, DAVID FAIRCHILD. Vitt-Prtsidtnt, W. E. CASTLE. SitrtUn, GEORGE If. ROMMEL. 



Ttwuttr, BOYD TAYLOR. 



Etntrary ViM-PrtHd«nU: ALEXANDER GRAHAM BELL. MRS. E. H. HARRIMAN 

 Fini Pr4iid*nt, JAMES WILSON. First S$trtUry, WILLET M. HAYS. 



Edilarial Beard: 



G.N.COLLINS SEW ALL WRIGHT PAUL POPENOE 



WALTER VAN FLEET E. W. SHEETS FREDERICK ADAMS WOODS 



Uanaiint Editor, OLIVER OLSON 



COUNCIL 



W. E. CASTLE, Professor of Zoology, Harvard Uoiveruty, and Research Associate of the CameKle InstltntioB of 

 WashiDgtoD; Cambridge, Mass. 



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



0. F. COOK, Bionomist in Charge of Office of Crop Acclimatization, Bureau of Plant Industry. U. S. Departnent 



of Agriculture, Washington, D. C 



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

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



1 . H. KEMPTON. Bureau of Plant Industry, U. S. Department of Agriculture, Washington, D. C. 



GEORGE M. ROMMEL, Chief of Animal Husbandry Division, Bureau ol Animal Industry, U. S. Department of 

 Agriculture, Washington, D. C. 



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

 Plant Industry, U. S. Department oi Agriculture, Washington, D. C. 



FREDERICK ADAMS WOODS, Lecturer on Biology, MassachusetU 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 CHARLES R. STOCKARD, SecreUry, Professor of 



Anatomy, Cornell Medical College, New York, 

 WALTER T. SWINGLE. Chairman, Physiologist ^N.Y^^^ . , . . . „, ,, 



in Charge of Crop Physiology and Breeding Investiga- C. C. LITTLE, Carnegie InstituUon of Washington, 

 tions. Bureau of Plant Industry, U. S. Department of , S°'*t.^4?J'I.JS.^J^?'' ^^9^ Island, N. Y. 

 Agriculture, Washington, D. C. J- A. DETLEFSEN, Professor of Genetics, College of 



A. B. STOUT, Director of Laboratories, New York Botan- ., \8"^"''H^*t,y,^''*"*v^i"'''*- ^„ 



ical Garden New York E. N. WENTWORTH, Armour & Company, Chicago, 



HERBERT T. WEBBER, Secretary, Professor of „ "l- „ „ „_.„,™, . t , j r 



Plant Breeding, University of California. Director E. A. McILHENNY, Avery Island, La. 



of Citrus Substation and Dean of Graduate School 



of Tropical Agriculture, Riverside, Cal. EugemCS 



5^ w^^n/n «nSp' ^i^f"' ^c '?°.'*»* XT FREDERICK ADAMS WOODS, Chairman, L«:turer 



ru^^wM^"^ • ^''° ^'""' ^"^ Nurseries, on Biology, Massachusetts InsUtute of Technology. 



D A WMFbcn??'p,V„.„, »it)i .B 1- n II ADOLF MEYER, Vice<hairman. Professor of Psy- 



R. A. EMERSON ProfMsor of Plant Breeding. ComeU chiatry, Johns riopkins University, and Director of 



n w inM?cV, f!f^', f PI . n J- n .• . Henry Phipps Psychiatric Clinic, Johns Hopkins Hos- 



D. F. JONES. Professor of Plant Breeding, Connecticut -j^^] Baltimore Md 



. Agricultural Experiment Station New Haven^ Conn. CHArLeS B. DAVENPORT, SecreUry, Director 



aEj,. i^ f- • P°™°j??»^' U- S. Department of Department of ExperimenUl EvoluUon (Camegii 



Agriculture. Riverside, Cal. InsUtution of Wastdngton), Cold Springs Harbor. 



Long Island, N. Y. 

 HOMER FOLKS, Secretary, Sute Charities Aid Aaio- 

 Animal Breedins: ciation. New York City. 



THOMAS W. SALMON, Medical Director, Natlonml 

 LEON J. COLE, Chairman, Professor of Genetics, Committee for MenUl Hygiene, New York City. 



University of Wisconsin, Madison, Wis. EDWARD L. THORNDIKE, Professor of Educational 



T. S. PALMER. Vice-Chairman AadsUnt Chief of Psychology, Columbia University. 



Biological Survey, Washington, D. C. MRS. CHARLES GARY RUMSEY, New York, N. Y. 



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