CONTENTS 
V 
Doane, R. W. The Control of Insects in Cereal Food Products 549 
Drake, C. J., Fenton, F. A., and Butcher, F. D. The Importance of 
the Flaxseed Count in Predicting the Actual Fly-Free-Date 480 
Simmons, Perez, and Ellington, Geo. W. Biology of the Angoumois 
Grain Moth—Progress Report 41 
Felt, F. P. The Gipsy Moth Problem in New York State 64 
Flint, W. P. A New Apple Pest, Metachroma interruptum 260 
Franklin, H. J., and Lacroix, D. S. The Spotted Cutworm, Agrotis 
c-nigrum , a Cranberry Pest 406 
Frost, S. W. Four Year Experiments on the Control of the Red Spider 101 
Frost, S. W., and Craighead, E. M. Dusting for Leaf-hoppers, Empoa 
rosae L., in Bearing Apple Orchards 262 
Gibson, Arthur. The Occurrence of the Tortricid, Cacoecia rosana L. in 
Canada 51 
Glaser, R. W. Rearing Flies for Experimental Purposes, with Biological 
Notes 486 
Glasgow, Hugh, and Gloyer, W. O. The Mercuric Chloride Treatment 
for Cabbage Maggot Control in its Relation to the Development of Seed- 
Bed Diseases 95 
Gossard, H. A. Should the Midsummer Apple Spray be Timed for the 
Second Brood only of Codling Worm? 265 
Graham, S. A. Temperature as a Limiting Factor in the Life of Subcortical 
Insects 377 
Guyton, T. L. Oriental Fruit Moth in Pennsylvania in 1923 259 
Notes on the Use of Chlorine Gas as an Insecticide 307 
Hamlin, J. C. The Australian Prickly Pear Problem 60 
Biological Control of Prickly Pear in Australia: Contributing Efforts in 
North America 447 
Hayes, Wm. P., and McColloch, J. W. The Biology of Anomala kansana 589 
Hartzell, F. Z. The Use of Biometrical Methods in the Interpretation of 
Codling Moth Experiments 183 
The Estimation of Dosage for Volatile Dusts: An Illustration of the Value 
of Correlation of Mathematics to Entomology 279 
Haseman, L., and Bromley, S. W. Controlling Chinch Bugs in Missouri 
with Calcium Cyanide 324 
Headlee, T. J. Certain Dusts as Agents for the Protection of Stored Seeds 
from Insect Infestation 298 
i 
The Fight Against the Gipsy Moth in New Jersey 438 
