The 
Journal of Heredity 
(Formerly the American Breeders’ Magazine) 
Vol. XI, No. 2 February, 1920 
CONTENTS 
Peeemine 51 
ze 
65 
eee U7 
ERRATA TB 
ind 
The title of the legend for Figure 9, page 66, 80 
should read: ae 
NORMAL AND “TASSEL SEED” TYPES OF MAIZE 84 
and the title for Figure 11, page 69, should read ~ 
NORMAL AND “TASSEL EAR” TYPES OF MAIZE. 
88 
92 
95 
The Journal of Heredity is published monthly by the American Genetic Associa- 
tion (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 $2.00, because of additional postage 
on the magazine; foreign members pay 50 cents extra for the same reason. Sub- 
scription 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 postoffice at Washing- 
ton, D. C., under the act of August 24, 1912. Contents copyrighted 1920 by the 
American Genetic Association. Reproduction of articles or parts of articles per- 
mitted, upon request, for a proper purpose, and provided due credit is given to 
author and to the JouRNAL oF HEreEpiTy (Organ of the American Genetic Associa- 
tion), Washington, D. C. 
Date of issue of this number, March 26, 1920, 
