The American Genetic Association 



Pr$*id*nl, DAVID FAIRCHILX). Vie4-Pr*sid«nt, W. E. CASTLE. SureUry, £. W. SHEETS 



Tr$*sur«f, BOYD TAYLOR. 



B0ncrary Vie*-Pr»sid*nts: ALEXANDER GRAHAM BELL and MRS. E. H. HARRIMAN 

 First Prtsident, JAMES WmSON. First Steretary, WaLET M. HAYS. 



Editcri»l B«ar4: 



G. N. COLLINS SEWALL WRIGHT PAUL POPENOE 



WILSON POPENOE E. W. SHEETS FREDERICK ADAMS WOODS 



T. H. KEARNEY C. E. LEIGHTY GEO. M. DARROW 



Mamttint Editor, OLIVER OLSON 



COUNCIL 



W. E. CASTLE, Professor of Zoology, Harvard Oniversity, and Research Aiaociate of the Carnegie Instltalioo ol 

 Washington; Cambridge, Mass. 



G. N. COLLINS, Botanist, Bureau of Plant Industrr, U. S. Department of Agricultare, Washington, D. C. 



0. F. COOK, BioDomist in Charge of Office of Croti 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 Plant 

 Industry, 0. S. Department of Agriculture, Washington, D. C. 



GILBERT GROSVENOR, President National Geographic Society, Washington, D. C 



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



E. W. SHEETS, Acting Chief of Animal Husbandly Divisioa, Bureau ot Animal Industry, 0. S. Department ol 

 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, 0. 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. ^^ • t »■. .• . n; •.• . 



In Charge of Crop PhyBiology and Breeding Investiga- C. C. LITTLE, Carnegie Institution of Washington, 



Uons. Bureau of Plant Industry, U. S. Department of , v'*U^i'^,"l-ll'^K?''n ?* Inland. N. Y. 



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



A. B STOUT. Director of Uboratories, New York Botan- _ AS"^i','i>'i5Ss,y,ji'iS%°*i°'"»- ^ n ni.- 



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



HERBERT J. WEBBER. Secretary, Professor of _ H'" „ tt m^vrxn/ a i i j i 



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. EugeniCS 



5^ n\%V.JT^ aSSo* ^'/?f"' ^*'°°'* w VT FREDERICK ADAMS WOODS. Chairman. L«:turer 



Hv.P'^J^- ? HUME, Glen Saint Mary Nurseries, on Biology. Massachusetts Institute of Technology, 



n * r-wSoc/^l^'D V .ni .o J- /- .. ADOLF MEYER. Vice<hairman. Proleasor orPsy- 



R. A. EMERSON Profwsor of Plant Breeding. ComeU chiatry^ Johns Hopkins University, and Director o( 



IN i."?J^M^c*'t .''°'' "■. til . I. J- /> ^ . Henry Ph'PP« Psychiatric Clinic. Jolins Hopkins Hoa- 



D. F. ^ONEb. Professor of Plant Breeding. Connecticut pjtji Baltimore Md 



Agricultural EiperimeDt Station New Haven. Conn. CHArLeS U. DAVENPORT, Secreury. Dlr«:tor 



A. D. SHAMEL. Pomolpgist, U. S. Department of Department of EiperimenUl EvoluUon (Carnegie 



Agriculture, Riverside, Cal. InsUtuUon of Washington), Cold Springs Harbor, 



Long Island. N. Y. 

 HOMER FOLKS. Secretary, SUte Charities Aid Asao- 



Animal Breeding nation. New York City. 



* THOMAS W. SALMON, Medical Director, Nadooal 



LEON J. COLE, Chairman, Proies«>r of Genetics, Committee for Mental Hygiene New York City. 



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



T. S. PALMER, Vice Chairman. Asdstant Chiai of Psychology, Columbia University. 



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



fisorve Basta Publlthlng Co., Menaika. WiMontIa 



