-k' 
u 
RESEARCH 
CONTENTS 
Leafspot of Maize Gaused by Ophiobolus heterostrophus, n. sp., the Ascigerous 
Stage of a Helminthosporium Exhibiting Bipolar Germination - 
CHARLES DRECHSLER 
Page 
701 
The Translocation of the Food Materials of the Wheat Seedling 
L. EDWIN YOCUM 
727 
Possibilities and Limitations of Chloropicrin as a Fumigant for Cereal Products - 745 
R. N. CHAPMAN and A. H. JOHNSON 
Observations on the Hibernation of Ground Squirrels - - - - - - 701 
WILLIAM T. SHAW 
The Value of Calcium Phosphate as a Supplement to the Ration of Dairy Cows - 771 
J, B# LINDSEY and J. G. ARCHIBALD 
The Water-Soluble Vitamin Content of the Velvet Bean - - - - - * 793 
W. D» SALMON and EMERSON R. MILLER 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1926 
