The American Genetic Association 



PrM<^ii(. DAVID FAIRCHILD 



Vi**-Pr$iidtnt. W. B. CASTLE 

 Tnatnrer, BOYD TAYLOR 



Acting Secretary, SEWALL WRIGHT 



T. H. KEARNEY 



mUiOhi POPENOE 



Editorial Board: 



C. E. LEIGHTY 

 R. R. GRAVES 



GEO. M. DARROW 

 PAUL POPENOa 



Mamben of the Connei] an «x-offioio menibnrs of the Editorial Board. 



Managing Editor: R. C. COOK 



Butineti Manager: MRS. F. D. LUM8DEN 



COUNCIL 



W. B. CASTLE, ProfeHor of Zoology, Harvard Uniyersity. aad Rowareh Agsociatn of the Carnegie Institntioo of Washlofton. 



G. N. COLLINS. Botanist, Bureau of Plant Industry. U 8 Department of Agriculture. Washineton, D. C. 



0. F COOK bi iriomisi in Charge of OfSre of Crop Acclimatization, U. 8. Department of Agriculture. Waahinsrton, D. C. 



DAVID FAIRCHILD Aericultural Kxplorer in Charge of Foreign Seed and Plant Introduction, Bureau of Plant Indoftrx, 



D 8. Departraunt of Agrieulturs Washington, D C. 

 GILBERT QRasVENOR, President National Geographic Society, Waaliington, D. C. 

 J. H KI:MPT0M. Bureau of Plant Industry, U. 8 Department of As-ie'ilturti Washine^n. D. 0. 

 FREDERICK ADAM.S WOODS, L»cturer o,. Bioloijy, Maaeachusctt* Institute of Tuohnoiogy.! 

 SEWALL WRIGHT, Senior Animal Husbandman in Animal Genetics, U. S. Department of Acrioulture, Waahincton, D. 0. 



ADVISORY COMMITTEB 



W. 8. ANDERSON. Oenetloa Department. University of Kentucky, Lexington Kentucky. 



E. B BABCOCK, Genetic* Department, University of California Berkeley, Califorrjia. 



E A BE8SEY. Professor of Botany Michigan Agricultural College East Lansing, Michigan. 



A. F. BLAKESLEE. Plant Genetics, Carnegie Institution of Washington, Cold Spring Harbor, L. L, N. Y 



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



W E BRYAN, Profeaeor of Plant Breeding University of Arizona. Tucson. Ariiona. 



LEON J COLE Department of Geneti'^, University of Wisconsin Madison. Wisconsin. 



C B DAVENPORT, Director. Dept. of Genetics, Carnegie Institution of Washington, Cold Sprlnj Harbor, L. I,/N. Y. 



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



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



E M EAST Profe'^or of Plant Genetics. Bussey Inst, of Applied Biology, Harvard University, Boeton, Mats. 



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



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



FREDERICK G ROVER, Profcscor of Botany. Ol)erIin College, Oberlin, Ohio. 



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



HARRISON R HUNT, Professor of Biology, University of Miasissippi, Oxford Mississippi 



R E. HUNT. Profensor 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 LI PPINCOTT, Professor of Poultry Husbandry Kansas State Agricultural College, Manhattan, KaniM. 



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



MRS CHARLES C. RUMSEY, Whcatley Hills. Westbury. Long Island. 



THOMAS W. SALMON, Professor of Psychiatry Columbia University^ New York City. 



JOHN M. SCOTT, Vice Director Florida Agricultural Experiment Station. University of Florida, Qainesrille, Florida. 



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



A. D 8HAMEL Pomologist, U S. Department of Agriculture Riverside, California. 



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



W W SMITH Prof'«<or of Animal Husbandry. Purdue Univers'ty. Lafavette. Indiana. 



CHARLES R. STOCKARD. Professor of Anatomy, Cornell University, New York City. 



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



W. T. SWINGLE Plant Physiologist in Charge of Breeding Investigations. U. S. Dept. of Agric.. Washington, D. C. 



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



I . H. TOMHAVE, Head of Department of Animal Husbandry Penn State College State College, Pennjylvanla. 



H E W \ I, TER, A^.-ociate Professor of Biology Brown University. Providence, Rhode Island. 



H J.WEBBER Director Citrus Exfieriment Station Riverside California. 



EDWARD N WENTWORTH Arm mr's Bureau of Agr'l Research and Economics, Union Stock Yards, Chicago, DllnoU. 



P W WHITING Child Wslfare Res.'arch Station University of Iowa. Iowa Citv, Iowa, 



JOHN A. WIDTSOE, 47 E. South Temple St., Salt Lake City, UUb. (Formerly President of Utah Agricultural Collega.) 



