CONTENTS 
The Progress of Forest Entomology in the United States. Page 
Thos. E. Snyder, William Middleton and F. P. Keen 413 
Seasonal Adaptations of a Northern Hemisphere Insect to the Southern 
Hemisphere. John C. Hamlin 420 
Tobacco Dust as a Contact Insecticide. 
P. J. Parrott andTL F. MacLeod 424 
The Constitution of Oil Emulsions. E. L. Griffin 430 
Delayed Emergence of Hessian Fly for the Fall of 1922. 
W. B. Cartwright 432 
Results of an Oil Spray in Treatment of Box Leaf Miner, Monarthro palpus 
buxi Labou. Jas. K. Primm and E. A. Hartley 435 
Kernel Spot of Pecan caused by the Southern Green Soldier Bug. 
William F. Turner 440 
A Note on the Honey Dew Production of the Aphid, Longistigma 
caryae Harris. William Middleton 446 
Life History of Micromus posticus Walker. C. R. Outright 448 
A Valuable Snail Poison. A. J. Basinger 456 
Scientific Notes 458 
Editorial 462 
Reviews 463 
Current Notes 464 
Horticultural Inspection Notes 470 
Apicultural Notes 471 
Notes on Medical Entomology 472 
