The Journal of 
HEREDIT 
A monthly publication devoted to Plant ireeding 
Animal Breeding and Eugenics 
£9, 
3 
aw, 
JANUARY, 1920 
Vol. XI, No. 1 
HERITABLE CHARACTERS OF MAIZE 
HEREDITY AND ECONOMICAL PRODUCTION OF FOOD 
ORIGIN OF PIEBALD SPOTTING IN DOGS 
TEAS’ HYBRID CATALPA 
SOME PROMISING NEW PEAR STOCKS 
DECLINE OF AUTOCRACY AND ITS RELATION TO WARFARE 
THE SPREAD OF ROSEN RYE 
A NEW DAHLIA OF INTEREST TO PLANT BREEDERS 
ORGAN OF THE 
. AMERICAN GENETIC:ASSOCIATION 
a WASHINGTON ° D.C. 
Printed for Circulation among Members only 
é ‘ 
% Acceptance for mailing at the special rate of postage provided for in section 1103, Act7of October 3, 1917 
authorized December 20, 1918. 
