CONTENTS 
V 
Fernald, H. T. Charting Life Histories 1 292 
Fenton, F. A., and Trudy, J. H. Bordeaux Mixture as a Control for Leaf- 
hoppers 314 
Flint, W. P. Shall We change our Recommendations for San Jose Scale 
Control 209 
Fracker, S. B. Protection of American Bees against the Introduction 
of the Isle-of-Wight Disease 133 
Frost, S. W. A New Apple Bud Moth in Pennsylvania 304 
Fullaway, D. T. Some Aspects of Biological Control in Hawaii 531 
Fulton, B. B. Some Experiments on Poison Baits for the European Ear¬ 
wig 369 
Glasgow, Hugh. Control of the Root Maggot in Cabbage Seed Beds 68 
Glenn, P. A. The Onion Capsid, Orthotylus translucens 79 
Graham, S. A., and Ruggles, A. G. The Obligation that Economic Ento¬ 
mology owes to Forestry 51 
Guiffin, E. L. The Constitution of Oil Emulsions 430 
Hadley, C. H. Spread of the Japanese Beetle 349 
Hamlin, John C. Seasonal Adaptation of a Northern Hemisphere In¬ 
sect to the Southern Hemisphere 420 
Hartley, E. A. Parasitism of the European Sawfly?, Diprion simile in Penn¬ 
sylvania 386 
Haseman, L. Inspection of Nursery Stock at Digging Time 141 
Amount of Arsenic Placed in Calyx Cups and Lethal Dosage for Apple 
Worm 270 
Hawley, L M. Notes on Insect Pests of Utah 377 
Headlee, T. J. Some Further Experiences with Nicotine Dusts 1 95 
The Present Status of the Gipsy Moth in New Jersey 158 
Herbert, F. B. Spraying Equipment for Citrus Trees in California 494 
Herrick, G. W. Notes on the Biology of Desmocerus palliatus 546 
Houser, J. S. Dusting Tall Trees by Airplane for Leaf Eating Insects 241 
Hyslop, J. A. Insect Pest Survey in the United States 215 
Jones, T. H., and Bradley, W. G. Observations on Tabanidae (Horseflies) 
in Louisiana 307 
Kellogg, Vernon. Extra-Entomological Studies for the Young Ento¬ 
mologist 185 
i 
