VoI. XXIX 
AUGUST 15, 1924 
No. 4 
JOURNAL OF 
AGRICULTURAL 
RESEARCH 
CONTENTS 
Page 
A Leaf and Corm Disease of Gladioli Caused by Bacterium marginatum - - - 159 
LUCIA McCULLOCH 
New Termites and Hitherto Unknown Castes from the Canal Zone, Panama - - 179 
THOS. E. SNYDER 
The Shape and Weight of Eggs in Relation to the Sex of Chicks in the Domestic 
Fowl. 195 
M. A. JULL and J. P. QUINN 
The Growing Season of Western Yellow Pine ------- - 203 
G. A. PEARSON 
The Digestibility of Tepary Beans --------- - 205 
HARRY J. DEUEL 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES 
WASHINGTON, D. C. 
GOVERNMENT PRINTING OFFICE 
1925 
