IV 
CONTENTS 
Burgess, A. F. Methods of Estimating Abundance and Damage Caused 
by the Gipsy Moth - 180 
Burke, H. E. Some Habits of the California Lead Cable 1 Borer 519 
Caesar, L. Measures Recommended for the Control of the European Corn 
Borer in the Province of Ontario 128 
Caffrey, D. J. Research Projects and a Synopsis of Results in European 
Corn Borer Work 112 
Chamberlin, T. R. Studies of the Parasites of the Alfalfa Weevil, Phyton- 
omus posticus in Europe 623 
Campbell, Roy E. Preliminary Report on Calcium Cyanide as a Soil Fumi¬ 
gant for Wire worms 562 
Injuries to Peppers in California by Anthonomus eugenii Cano 645 
Champlain, A. B. A dims trimaculatus Say, A Rose Pest 648 
Chamberlin, W. J. Another Lead Boring Beetle 660 
Chandler, S. C. Some Recent Developments in the Use of Paradichloro- 
benzene 246 
Childs, Leroy. Control of the Apple Blister Mite in the Northwest 1 567 
Clausen, C. P., and King, J. L. A Preliminary Report on the Foreign 
Parasites of Popillia japonica 76 
Compton, C. C. The Use of Lubricating Oil Emulsion on Greenhouse Scale 
Insects 222 
Corkins, C. L. Grasshopper Baits, with Special Reference to Sodium 
Arsenite 311 
Crawford, H. G. Ploughing as a Factor in Control of the European Corn 
Borer, Pyrausta nubilalis Hubn., in Ontario, Canada 132 
Crossman, S. S., and Webber, R. T. Recent European Investigations of 
Parasites of the Gipsy Moth, Porthetria dispar L., and the Brown-Tail 
Moth, EuprocUs chrysorrhoea L. 67 
Davis, J. J. Estimating the Abundance and Damage by the San Jose Scale 192 
Comparative Tests with Dormant Sprays for San Jose Scale Control 285 
Status of Hydrocyanic Acid Gas Treatment of Nursery Stock 440 
DeLong, D. M., and Mathewson, A. A. The Houghton Gooseberry 
Aphis, Myzus houghtonensis, as a Pest in Ohio 295 
De Ong, E. R. The Preparation and Use of Colloidal Sulfur as a Control 
for Red Spider 533 
De Ong, E. R., and White, L. T. W. Further Studies of Derris as an Insect¬ 
icide 499 
Withdrawn for publication elsewhere. 
