CONTENTS. 



Page. 



Letter of Transmission 5 



Officers for 1909-1910 6 



Canadian Members • 7 



Annual Meeting 9 



Reports on Insects of the Year: Division No. 1, Arthur Gibson 9 



Division No. 3, J. B. Williams 14 



Division No. 4, C. W. Nash 15 



Observations on a few Insects of the Season: L. Caesab 16 



Nests of the Brown-tail Moth on Imported Nursery Stock: Arthur Gibson 19 



The Larch Saw Fly: C. Gordon Hewitt 20 



Nursery Work in Ontario: R. C. Treherne 21 



Some Guests at the Banquet of Blossoms: P. J. A. Morris 23 



House Flies and their Allies: C. Gordon Hewitt 30 



Report of the Council 36 



Montreal Branch 39 



" Toronto Branch • 40 



" Treasurer 41 



Curator 41 



Librarian 42 



Delegate to the Royal Society of Canada 42 



Address of the President: Tennyson D. Jarvis 44 



The Origin and Diffusion of Entomological Errors: Henry H. Lyman 46 



Conflicts between Ants : G. E. Sanders 51 



The Spruce Bud-worm : Arthur Gibson 54 



The Snow-white Linden Moth: A. F. Winn 56 



Notes on Fruit-tree Scolytids: J. M. Sw-aine 58 



Observations on Ontario Insects in 1909: C. J. S. Bethune 63 



Injurious Insects of Quebec in 1909 : W. Lochhead 67 



Anisota virginiensis : T. W. Fyles 73 



Adaptations in the Structure of Insects: T. W. Fyles 76 



The Acarina, with a Host Index to the Species found in Ontario: T. D. Jarvis. . 82 



The Entomological Record, 1909: Arthur Gibson 110 



In Memoriam, Dr. Wm. Brodie: Frank Morris 129 



Index 131 



[4] 



