Vol. XXIX 
SEPTEMBER 15, 1924 
No. 0 
JOURNAL OP 
AGRICULTURAL 
RESEARCH 
CONTENTS 
Infection of Barley by Ustilago nuda through Seed Inoculation 
W. H. TISDALE and V. F. TAPKE 
Pag*» 
263 
The Effect of Feeding Thyroid on the Plumage of the Fowl 
I. J. COLE and D. H. REID 
Polyscelis modestus Gahan, a Minor Parasite of the Hessian Fly 
P. R. MYERS 
285 
289 
Longevity and Fecundity of Bruchus quadrimaculatus Fab. as Influenced by Dif¬ 
ferent Foods - -- -- -- -- -- -- 297 
A. O. LARSON and C. K. FISHER 
A Dominant Lethal Chlorophyll Mutation in Maize ------- 307 
J. H. KEMPTON 
The Rate of Growth of Green and Albino Maize Seedlings - -. - 311 
J. H. KEMPTON 
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 
