CONTENTS 
The Possibility of Transmitting a Calendra Infestation from Wheat to 
Macaroni thru the Process of Milling and Manufacturing. 
R . N. Chapman 
Spread of the Japanese Beetle. C. H. Hadley 
The Effect of Leaf-Hopper Injury on the Sugar Content of Grapes. 
D. L. Van Dine 
A House Fly Plague in the American Expeditionary Force. Perez Simmons 
Color Marking of the Striped Cucumber Beetle, Diahrotica vittata and 
Preliminary Experiments to Determine its Flight. 
J. E. Dudley and E. M. Searles 
Some Experiments on Poison Baits for the European Earwig B. B. Fulton 
Emergence Records of the Peach Tree Borer in Pennsylvania. 
E. M. Craighead 
Notes on Insect Pests of Utah. I. M. Hawley 
Notes on the Length of Time Aedes calopus (Stegomyia) Larvae Should be 
Exposed to a Film of Kerosene. 
M. E . Connor and W. M. Monroe 
Parasitism of the European Sawfly, Diprion simile, in Pennsylvania. 
E. A. Hartley 
The Effect of CS 2 on the Germination of Seeds. C. J. Willard 
On the Oyster Shell Scales found on Willows at Boulder, Colorado. 
R. L. Shotwell 
Scientific Notes 
Editorial 
.Obituary 
iFrank Cummings Cook 
'Current Not r s 
Apicultural Notes 
Horticultural Inspection Notes 
Notes on Medical Entomology 
Pac : fic Slope Notes 
• ■-*: M 
Page 
• - v| 
341 
349 
353 
357 
363 
• •w 
369 
376 
377 
380 
386 
388 
392 
: 
393 
tv 
397 
■ 
398 
399 
405 
406 
409 
410 
