The American Genetic Association 



PreiUtnt, DAVID FAIRCHILD 



Viu-Preiident, W. E. CASTLE 

 Tr$antm, BOYD TAYLOR 



8*er*tary, B. W. SHEETS 



Hturart Vie*-PT$i{dtnlt: ALEXANDF '^ GRAHAM BELL and MRS. E. H. HARRIMAN 

 Firtt Pruiitnt. JAMBS WILSON, Fint Siorttart, WILLBT M. HAYS 



T. H. KEARNEY 

 WILBOiN POPENOE 



Editorial Board: 



C. E. LEIGHTY 

 R. R. GRAVES 



GEO. M. DARROW 

 PAUL POPENOE 



Memben of the Coaneil art ex-offioio mtoiL»>r.i of th« Editorial Board. 



Managing Editor: R. C. COOK 

 Cireulation Editor: MRS. F. D. LUMSDEN 



COUNCIL 



W. S. CASTLE, Profenor of Eoolocf, Harrard nnirenity, and R«warek Aiaoeiat* of the Carnegie Institation of Wuhintton. 

 G. N. COLLINS, Botanirt, Bureau of Plant Industry, D. S. Department of Aericulture, Washington, D. C. 

 P. COOK, Bionomist in Charge of Office of Crop Acclimatiiation, U. 8. Department of Agrieultore, Washiaeton, D. C. 

 DAVID FAIRCHILO, Agrimiltural Explorer in Charge of Foreign Seed and Plant Introduction, Bureau of Plaat Indtutry, 



U. 8. Department of Agriculture, Washington, D. C. 

 GILBERT GROSVENOR, President National Geographic Society, Washington. D. 0. 

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

 F. W. SHEETS, Acting Chief of Animal Husbandry Division, U. S. Department of Agriculture. Waahiaitoa, D, C. 

 FREDERICK ADAMS WOODS, Lucturer oii Biology, MaasachusetU I nstitutgof Technology. 

 ,'^EWALL WRIGHT, Senior Animal Husbandman in Animal Genetioi, U. S. D partment of Agrleultnra, Washington, D. C. 



ADVISORY COMMITTEE 



W. 8. ANDERSON, Genetics Department, University of Kentucky, Lexington . Kentueky. 



E. B. BABCOCK, Genetics Department, University of California, Berkeley, California. 



E. A. BESSEY, Professor of Botany, Michigan Agricultural College, East Lansing, Michigan. 



A. F. BLAKESLEE, Plant Genetics, Carnegie Institution of Washington, Cold Spring Harbor, L. L, K. T. 



J. K. BREITENBECHER, Professor of Zoology. University of Oklahoma. Norman, Oklahoma. 



W. E. BRYAN. Professor of Plant Breeding, University of Arizona. Tucson, Aritona. _ 



LEON J. COLE, Department of Genetics. University of Wisconsin, Madison, Wisconsin. 



C. B. DAVENPORT. Director. Dept. of Genetics. Carnegie Inst, of Washington, Cold Spring Harbor, L. L, N. Y. 



J. A. DETLEFSEN, Chief in Genetics, University of Illinois, Urbana, Illinois. 



RUSSELL W. DUCK, Professor of Animal Husbandry, Syracuse University. Syracuse, New York. 



E. M. EAST. Professor of Plant Genetics, Bussey Inst, of Applied Biology, Harvard University, Boston, Maa. 

 R. A. EMERSON, Professor of Plant Breeding, Cornell University, Ithaca, New York. 



C. P. GILLETTE, President, The Genetic Foundation, Fort Collins, Colorado. 

 FREDERICK 0. GROVER, Professor of Botany. Oberlin College, Oberlin, Ohio. 



ROBERT T. HANCE, Professor of Genetics, North Dakota Agr'l College, Agricultural College, North Dakota. 



HARRISON R HTONT, Profeasor of Biology, University of Mississippi, Oxford, Miieissippi. 



R. E. HUNT, Professor of Animal Husbandry. Virginia Polytechnic Institute, Blacksburg, Virginia. 



D. F. JONES, Plant Breeder, Connecticut Agricultural Experiment Station, New Haven, Connecticut. 



F. B. LINFIELD, Director, Montana Experiment Station, Boieman, Montana. 



WM. A. LIPPINCOTT, Profeesor of Poultry Husbandry Kansas State Agricultural College, Manhattan, Kansai. 

 C. C. LITTLE, President, University of Maine, Orono, Maine. 



JAY L. LUSH, Animal Husbandman, Texas Agricultural Experiment Station, College Station, Texas. 

 H. H. NEWMAN, Professor of Zoology, University of Chicago, Chicago, Illinois. 

 T. 8. PALMER, Expert in Game Conservation. U. S. Department of Agriculture, Washington, D. C. 

 MRS. CHARLES C. RUMSEY, New York City. 



CHARLES W. SALMON, National Committee for Mental Hygiene, New York City. 



JOHN M. SCOTT, Vice Director, Florida Agricultural Experiment Station, University of Florida, GainesTille, Florid*. 

 JOHN W. SCOTT, Professor of Zoology, University of Wyoming, Laramie, Wyoming. 

 A. D. BHAMEL, Pomologist, U. S. Department of Agriculture, Riverside, California. 

 GEORGE H. SHULL, Professor of Biology, Princeton University, Princeton, New Jersey. 

 W. W. SMITH, Profeesor of Animal Husbandry, Purdue University, Lafayette, Indiana. 

 A. B. STOUT, New York Botanical Gardens, Bronx, New York City. 



W. T. SWINGLE, Plant Physiologist in Charge of Crop Physiology and Breeding InTertigatiom, U. 8. Dept. of Afrie.. Waihific- 

 ton, D. C. 



E. L. THORNDIKE, Professor of Educational Psychology, Columbia University, New York City. 



W. H. TOMHAVE, Head of Department of Animal Husbandry, Penn. State College, State College, Penniylvaala, 



H. B. WALTER, Genetics Laboratory, Brooklyn Institute of Arts and Sciences, Cold Spring Harbor, L. I., N. Y. 



H. J. WEBBER, Director, Citrus Experiment Station, Rirerside. California. 



EDWARD N. WENTWORTH, Armour's Bureau of Agr'l Rewsarch and Economics, Union Stock Yards, Chleago, HUmU. 



P. W. WHITING, Child Welfare Re*^areh SUtion, University of Iowa, Iowa City, Iowa. 



J hUA. WIDT80E, i7 E. South Temple St.. Salt Lake City, Utah. (Formerly President of Utah Acriaultunl Collega.) 



