‘|FUMIGATION | 
METHODS 
A Practical Treatise for Farmers, Fruit 
Growers, Nurserymen, Gardeners, 
Florists, Millers, Grain Dealers, Trans- 
portation Companies, College and 
Experiment Station Workers, etc. 
By WILLIS G. JOHNSON 
Formerly Professor of Entomology and Invertebrate Zoology at the 
Maryland Agricultural College and State Entomavgist; author of 
many special reports on economic topics; associate editor American 
Agriculturist weeklies; Fellow in the American Association for the 
Advancement of Science; Member of the Association of Economic 
Entomologists, the American Pomological Society, des ey ee 
the Promotion of Agricultural Science, etc. : : : 
ty of the Bureau of Entomology; 
ent of Agriculture. - 
wis MOUAT" 
. MAR 0 1 199 
ILLUSTRATED 
LR apices | 
NEW YORK 
ORANGE JUDD COMPANY 
1913 
