Vol. XXXI 
DECEMBER 1, 1925 
■V/yC 
fiio. 11 
JOURNAL 
AGRICULTURAL 
RESEARCH 
CONTENTS 
Page 
A Chemical Study of the Flesh of Emaciated Cattle - - - - - - - 1001 
RALPH HOAGLAND and WILMER C. POWICK 
Composition of Marrow of Fresh and Cured Hams - - - - - - 1015 
W. F. SCHROEDER and DAVID EDELMAN 
Inactivation of Vitamin A by Rancid Fat - -- -- -- -- 1017 
WILMER C. POWICK 
The Leaf-Tissue Fluids of Egyptian Cottons - - - - - - - - 1027 
J. ARTHUR HARRIS, W. F. HOFFMAN, W. B. SINCLAIR, A. H. JOHNSON, and R. D. EVANS 
The Use of Vacuum for Insect Control 1035 
E. A* BACK and R. T. COTTON 
The Relation of Size of Kernels in Sweet Com to Evenness of Maturity - 1043 
I. C. HOFFMAN 
The Maintenance Requirement of Dry Cows - - - - - - 1055 
DONALD C. COCHRANE, J. AUGUST FRIES, and WINFRED W. BRAMAN 
Revised Net-Energy Values of Feeding Stuffs for Cattle - - - - - 1083 
E. B. FORBES and MAX KRISS 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES 
WASHINGTON, D. C. 
GOVERNMENT PRINTING OFFICE 
1926 
