CONTENTS. 



Pages 



Letter to the Minister of Agriculture 3 



Officers for 1923-24 4 



List of members 5 



financial statement 7 



Report of annual meeting 8 



A review of our knowledge concernijiig immunity and resistance in plants — J. E. Howitt. . . 9 



The Development of Applied Entomology in Canada (1914-1923) — ^Arthur Gibson.... 24 



Millardet — the creator of Applied Phytopathology — Georges Maheux 57 



Entomological teaching in its relation to farm problems — 'W. H. Brittain 60 



The orchard entomologist — W. A. Ross 67 



Plant diseases in relation to the certification of seeds — H. T. Gussow 72 



Oat smut control in 1923 — B. T. Dickson 77 



Studies concerning injury to seed cats after smut disinfection — W. L. Gordon 79 



A preliminary note on some endophytic protozoa— E. Mel\'ille DuPorte 94 



Life history and control of the Lesser Oak Carpenter worm. — C. B. Hutchings 96 



.\ Iruit worm {Graptolitha laticinerea Grote) — and its control — C. E. Petch 114 



The stripe or streak of tomatoes in Quebec — T. C. Vanterpool 116 



Cultural characteristics of certain CoUetotrichum species — G. A. Scott 123 



Indices to preliminary lists of the insects of the Province of Quebec — E. Roy 138 



.Abstracts of Canadian Plant Pathological literature — A. W. McCallum 145 



