Vol. XXIII 
march 17* idskl 
No. 11 
JOURNAL OF 
CONTENTS 
Page 
Influence of Soil Temperature and Moisture on the Develop¬ 
ment of the Seedling-Blight of Wheat and Com Caused by 
Gibberella saubinetii - - - - - _ - - 837 
JAMES G. DICKSON 
(Contribution from Bureau ot Plant Industry and Wisconsin Agricultural Experiment Station) 
Further Studies in Photoperiodism, the Response of the Plant to 
Relative Length of Day and Night - - - - 
W. W. GARNER and H. A. ALLARD 
(Contribution from Bureau ol Plant Industry ) 
871 
Agamerniis decaudata Cobb, Steiner, and Christie; a Nema 
Parasite of Grasshoppers and Other Insects - - - - 921 
N, A. COBB, G. STEINER, and J. R. CHRISTIE 
(Contribution from Bureau of Plant Industry) 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES 
WASHINGTON, D. C. 
GOVERNMENT PRINTING OFFICE 
