No. 9 
CONTENTS 
The Movement of Water in Irrigated Soils - 
CARL S. SCOFIELD 
(Contribution from Bureau of Plant Industry) 
An Apple Stem-Tumor Not Crowngall - 
NELLIE A. BROWN 
(Contribution from Bureau ot Plant Industry) 
Page 
617 
695 
Morphological Characters of Altemaria mali Roberts - - 699 
JOHN W. ROBERTS 
(Contribution from Bureau of Plant Industry) 
Natural Antisheep Amboceptor and Complement in the Blood 
of Fowls - - - - - - - - 709 
F. R. BEAUDETTE and L. D. BUSHNELL 
^ (Contribution from Kansas Agricultural Experiment Station) 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES ; 
WASHINGTON, D. C. 
GOVERNMENT PRINTING OFFICE 
