CONTENTS. 



Page. 



Letter to the Minister of Agriculture 3 



Officers for 1920-21 4 



List of members 5 



Financial statement 7 



Report of Annual Meeting 8 



President's Address — The Natural Control of Insects, by Prof. W. Lochhead. 10 



Report of the Delegate to the Ont. Ent. Soc, by Prof. Firmin Letourneau. . 21 



Report of the Delegate to the Can. Br. of the Am. Phytopath. Soc, by Prof. 



B. T. Dickson 24 



A Brief Study of a few Cecidomyiidae, by Dr. J. C. Chapais 28 



The Essentials of a Dominion Plant Disease Survey, by F. L. Drayton 31 



The Entomological Riches of Quebec, by Canon V. A. Huard ' 33 



The European Corn Borer, by Prof. \V. Lochhead 36 



Spraying to Increase Potato Production, by George Maheux 43 



Some Plant Diseases in the Greenhouse, by Prof. B. T. Dickson 46 



Economy in Spraying, by Father Leopold 48 



An Important Bioclimatic Law, by Prof. W. Lochhead 50 



Can we Improve Potato Storage Methods ?, by P. I. Bryce 53 



