22 THE CANADIAN ENTOMOLOGIST 



3. Results of some Preliminary Experiments with Chloropicrin — G. J. 

 Spencer. 



4. Ephydra hians and its Occurrence in Western Canada — ^Dr. C. 

 Gordon Hewitt. 



5. Our Common Cercopidae — George A. Moore. 



6. Further Notes on the Control of the Pear Psylla — W. A. Ross and 

 W. Robinson. 



7. My Experience this year in Dusting and Spraying — Rev. Father 

 Leopold. 



8. The Chief Factors in the Natural Control of Insects — J. D. Tothill. 



9. The Present Condition of the Balsam and Spruce Injury in Quebec — 

 J. M. Swaine. 



10. Recent Observations on Eastern Ticks. — S. Hadwen. 



11. How The United States is Preventing the Introduction of Foreign 

 Insect Pests and Plant Diseases — C. L. A'larlatt. 



12. Hopkins Bioclimatic Law — W. Lochhead 



13. On the Wings of the Wind— A. F. Winn. 



14. Locusts in Manitoba with Special Reference to the Outbreak in 1919 — 

 Norman Criddle. 



15. Ecological Notes on Certain Species of Locusts prevalent in British 

 Columbia — E. R. Buckell. 



16. Symposium on the Cabbage Root Maggot and its Control in 1919. 

 — W. H. Brittain, R. C. Treherne, Arthur Gibson and L. Caesar. 



18. Present Status of Pests of Canadian Flour Mills — E. H. Strickland. 



17. Life-History of a Hobby Horse — Part II: Boy and Man — F. J. A. 

 Morris. 



18. Some Notes on the LifeiHistory of our Common June Beetles — H.F. 

 Hudson. 



19. Further Notes on the Life- History and Control of the Strawberry 

 Root Weevil — W. Downes. 



20. The Strawberry Weevil — W. A. Ross. 



21. Borers in Corn and other Field and Garden Plants which have been or 

 may be mistaken for the European Corn Borer — Arthur Gibson. 



L. C. 



RECENT CANADIAN PUBLICATIONS. 



(Continued from Vol. LI, p. 282.) 

 Annotated Check -List of the Macrolepidoptera of Alberta. — By Kenneth 



Bowman. Published by the Alberta Natural History Society. Red Deer, 



Alberta, 1919. 



In this list the author has endeavoured to present in a concise form all the 

 available data on the distribution of the Macrolepidoptera within the Province 

 of Alberta. The work has an attractive appearance, being printed in clear 

 type on a good quality of paper. The generic names, printed in bold-faced 

 type, and followed by the specific names arranged in a column, each name 

 preceded by its number in Barnes and McDunnough's check-list. Two columns 

 follow, giving seasonal and geographical distribution respectively, the former 



