Vol. XIII JUNE 3, 1918 No. lO 



JOURNAL OP 



AGRICULTURAL 

 RESEARCH 



CONXKNTS 



Pose 



Destruction of Tetanus Antitoxin by Chemical Agents - 471 

 W. N. BERG and R. A. KELSER 



( Contdbutioa from Bureau of Animal Industry ) 



Relation of the Density of Cell Sap to Winter Hardiness in 



Small Grains -- 497 



S. C. SALMON and F. L. FLEMING 



( Contribution from Kansas Agricultural Experiment Station) 



Influence of Temperature and Precipitation on the Black- 

 leg of Potato - - - - - - - - 507 



J. ROSENBAUM and G. B. RAMSEY 



(Contribution from Bureau of Plant Industry) 



A New Bacterial Disease of Gipsy-Moth Caterpillars - 515 



R. W. GLASER 



(Contribution from Bureau of Entomology) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCMTION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



^^/A^SMINOTON, D. C. 



WASHINQTON : QOVERNMENT PRINTING OFFICE : 1616 



