S. 39. : Tobacco—12, 
U. S. DEPARTMENT OF AGRICULTURE. 
VIBRARY 
aArecemVyvEenN Report No. 68. 
JAN-L3.1902 
U S$ vepaiment of Agriculture, 
CATALASE, 
A NEW ENZYM OF GENERAL OCCURRENCE, ~ 
2 
WITH SPECIAL REFERENCE TO THE TOBACCO PLANT, 
BY 
OSCAR LOEW, 
Division of Vegetable Physiology and Pathology, 
Detailed to the Division of Soils. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1901, 
