CONTENTS vii 
McLaine, L. S. Corn Borer Legislation in Canada 147 
Moore, William. Calcium Cyanide 104 
Mosher, P. H., and Holbrook, J. E. R. A Device for Inflating Larvae 408 
Nickels, C. B. Results Secured from Late Season Applications of Calcium 
Arsenate Dust for the Control of the Cotton Boll Weevil 477 
Parks, T. H. The European Corn Borer, Clean-up Methods 141 
Parrott, P. J. Some Side Lights on Spray Injuries to Apple Fruits and 
Foliage 267 
Peterson, Alvah. Some Chemicals Attractive to Adults of the Onion 
Maggot, Hylemyia antiqua Meig., and the Seed Corn Maggot, Hylemyia 
cilicrura Rond 87 
Phipps, C. R. A Stilt-Bug, Jalysus spinosus, Destructive to the Tomato 390 
Readio, P. A. Notes on the Life History of a Beneficial Reduviid, Sinea 
diadema Fabr. 80 
Robinson, R. H. The Use of Skim Milk in the Preparation of Certain Spray 
Materials 396 
Ruggles, A. G. Pioneering in Economic Entomology 34 
Safro, V. I. The Price of Insecticides 238 
Sasscer, E. R. Important Foreign Insect Pests Collected on Imported 
Nursery Stock in 1923 443 
Sasscer, E. R., and Weigel, C. A. Recent Developments in Greenhouse 
Fumigation with Hydrocyanic-acid Gas 214 
Severin, H. H. P. Natural Enemies of Beet Leafhopper, Eutettix tenella 369 
Causes of Fluctuation in Numbers of Beet Leafhoppers, Eutettix tenella 
Baker, in a Natural Breeding Area of the San Joaquin Valley in Cali¬ 
fornia 639 
Shedd, O. M., and Olney, A. J. The Preparation from Tobacco of a Solution 
for Spraying 650 
Shepherd, David. Life History and Biology of Echocerus cornutus Fab. 572 
Siegler, E. W., and Baker, H. Parasitism of Scales—San Jose and Oyster 
Shell 497 
Smith, H. S. Some Phases of Preventative Entomology 1 519 
Smith, L. B. The Japanese Beetle Status in 1923 107 
Smith, R. C. Caenurgia erechtea Cram, as an Alfalfa Pest in Kansas 312 
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