Vol. XXIX 
DECEMBER 1, 1924 
No. 11 
JOURNAL OP 
AGRICULTURAL 
RESEARCH 
CONTENTS 
Page 
523 
The Diagnosis of Decay in Wood. 
ERNEST E. HUBERT 
Total Ash Determination in Spices - 
A. L. MEHRING 
569 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES 
WASHINGTON, D. C. 
GOVERNMENT PRINTING OFFICE 
