The 



Journal of Heredity 



(Formerly the American Breeders' Magazine) 

 Vol. XII, No. 10 December, 1921 



CONTENTS 



IMPROVEMENT OF SORGHUMS BY HYBRIDIZATION 



H. B. ViNALL AND A. B. Cron 435 



POSITIONS AND MOVEMENTS OF COTTON LEAVES. . . R. M. Meade 444 



A STUDY OF WOMEN DELINQUENTS IN NEW YORK STATE (review) 448 



BREEDING WORK WITH BLACKBERRIES AND RASPBERRIES 



, H. Ness 449 



FOR THE PROTECTION OF ANIMAL EXPERIMENTATION 455 



THE FRUTILLA, OR CHILEAN STRAWBERRY Wilson Popenoe 457 



NATURAL HYBRIDIZATION OF WHEAT AND RYE IN RUSSIA 



G. K. Meister 467 



THE VIRGINIA OPOSSUM Carl Hartman 471 



HEREDITY DENIED BY BUDDHISTS O. F. Cook 474 



COLOR OF CROSS BRED CALVES J. J. Hooper 480 



The Journal of Heredity is published monthly by the 



AMERICAN GENETIC ASSOCIATION 



Publication office, 450 Ahnaip Street, Menasha, Wis. 



Editorial and general offices, Washington, D. C. 



Entered as second-class matter May 13, 1921, at the postoffice at Menasha, 

 Wisconsin. Acceptance for mailing at the special rate of postage provided for in 

 Section 1103, Act of October 3. 1917, authorized Dec. 20, 1918. Contents copy- 

 righted 1921 by the American Genetic Association. Reproduction of articles or parts 

 of articles permitted only upon request, for a proper purpose, and provided due credit 

 is given to author and to the JOURNAL OF HEREDITY (Organ of the American 

 Genetic Association, Washington, D. C), Menasha, Wisconsin. Address all com- 

 munications to the Association's office at Washington. D, C. 



Date of issue of this number, ]^Iay 15, 1922. 



