138 The Ottawa Naturalist. [Dec. 



of which are spread by tsetse flies, was fully discussed by the 

 lecturer. The question of the spread of malaria and yellow 

 fever through the agency of mosquitoes was also gone into and 

 facts given of the early work in demonstrating that both of these 

 very fatal diseases can only be spread by micro-organisms de- 

 veloped within the body of certain species of Anopheles in the 

 case of malaria, and of the Stegomyia mosquito in the case of 

 yellow .fever. Slides illustrating various points in the lecture 

 were shown on the screen ; those illustrating the African diseases 

 above mentioned, indicated only too well what terrible scourges 

 these are. 



In the morning of the second day's session, Dr. E. M. Walker, 

 of Toronto University, presented his presidential address This 

 dealt largely with the present status of entomology in Canada 

 and offered manv suggestions as to certain studies in some of 

 the lesser known orders of insects, which have been largely 

 neglected by students, and concerning which much information- 

 is desired. During the afternoon of the same day the following 

 papers were read: 



"Some Forest Insects from DeGrassi Point, Lake Simcoe." 



-Dr. E. M. Walker. 

 'Thrips Affecting Cereals." Dr. C. Gordon Hewitt. 

 "The Stream." Rev. Dr. Fyles. 

 "Blister Beetles." Mr. Arthur Gibson. 

 "A Parasite of Hepialus thule." Mr. A. F. Winn. 

 "Common Scolytids of Eastern Canada." Mr. J. M. Swaine. 

 "Insect Migrations in Manitoba." Mr. Norman Criddle. 

 "Catalogue of Canadian Insects." Dr. C. Gordon Hewitt. 

 "Entomological Record for 1911." -Mr. Arthur Gibson. 

 "Notes on Hepialus hvperboreus." Mr. A. F. Winn. 

 "The Bot-flies of Ontario." Prof. T. D. Jarvis. 



All of the above papers, reports, etc., will be published in 

 full in the annual report of the Society which will appear early 

 in the new vear. 



It was decided that the next annual meeting be held in the 

 City of Ottawa during the autumn of 1912, the exact date to be 

 decided upon later. 



LECTURE ON LANDSCAPE GARDENING. 



On November 14th, Prof. F. A. Waugh, Head of the Division 

 of Horticulture and Professor of Landscape Gardening at the 

 Massachusetts Agricultural College, Amherst, Mass., addressed a 



