The 



Journal of Heredity 



(Formerly tke American Breeders' Magazine) 



Vol. X, No. 4 April, 1919 



CONTENTS 



The Founders of the Art of Breeding — II, by Herbert F. Roberts 147 



A Unifoliolate Mutation in the Adzuki Bean, by A. F. Blakeslee 153 



Breeding Milk Goats, by J. W. Thompson 157 



Heredity and Denioeraey, by Edwin G. Conklin 161 



Discussion of Article on Democracy and Heredity, by Madison Grant 164 



Aristocracy and Politics, by Prescott F. Hall 166 



Plant Breeder's Envelope, by Robert L. Davis 168 



A Fossil Ear of Maize, by G. N. Collins 171 



The Fighting Ability of Different Races, Second Letter 173 



A Wingless Wyandotte, by J. R. Terry 175 



Domestication of Animals in Peru, by O. F. Cook 177 



Do Birds Show a Monogamous Instinct? 181 



Tw inning in Alfalfa, by W. Southworth 182 



A Forage Plant from the Solanacae Family, by B. H. Hunnicutt 185 



The Racial Limitation of Bolshevism, by F. A. Woods 188 



The Inheritance of Continuous and Discontinuous Variations. . . . 191 



NOTE 



Instead of raising the price of membership, and in order to meet the require- 

 ments of the War Industries Board, and also because of the drafting of the 

 whole Editorial Staff the July, August and September numbers have been 

 dropped out for 1918. Vol. IX contains only 8 instead of 12 numbers. 



The Journal of Heredity is published monthly with the exception of July, August 

 and September by the American Genetic Association (formerly called the American 

 Breeders' Association) for the benefit of its members. Canadian members who desire 

 to receive it should send 25 cents a year, in addition to their regular membership 

 dues of $2, because of additional postage on the magazine; foreign members pay 50 

 cents extra for the same reason. Subscription price to non-members, $2.00 a year, 

 foreign postage extra; price of single copies, 25 cents. 



Entered as second-class matter February 24, 1915, at the postofEce at Washing- 

 ton, D. C, under the act of August 24, 1912. Contents copyrighted 1918 by the 

 American Genetic Association. Reproduction of articles or parts of articles per- 

 mitted provided proper credit is given to author and to the Journal of Heredity (Or- 

 gan of the American Genetic Association), Washington, D. C. 



Date of issue of this number, May 26, 1919. 



