The house-fly, Musca domestica Linn: its structure, habits, development, relation to disease and control . 1911 4312421322581 647 St Patrick St Patrick St Patrick St Patrick St Patrick St Patrick St Patrick Cobourg Cobourg Cobourg St. 1 608 Rideau St. 700 yards 1 55 Augusta St.(Butchers shop) 3 4a Anglesea Sq.(Grocers shop) 6 355 Mackay St. 12 337 Mackay St. 16 305 Mackay St.(Grocers shop) 7 316 Crichton St. 16 197 Crichton St. 2 143 Crichton St. 2 134BeechwoodAv. 1 Stanley Av. 600 yards As will be seen from the dates given, these ex
The house-fly, Musca domestica Linn: its structure, habits, development, relation to disease and control . 1911 4312421322581 647 St Patrick St Patrick St Patrick St Patrick St Patrick St Patrick St Patrick Cobourg Cobourg Cobourg St. 1 608 Rideau St. 700 yards 1 55 Augusta St.(Butchers shop) 3 4a Anglesea Sq.(Grocers shop) 6 355 Mackay St. 12 337 Mackay St. 16 305 Mackay St.(Grocers shop) 7 316 Crichton St. 16 197 Crichton St. 2 143 Crichton St. 2 134BeechwoodAv. 1 Stanley Av. 600 yards As will be seen from the dates given, these experiments extendover a short time only, having been terminated by the advent of a DISPERSAL UNDER URBAN CONDITIONS 73 periud of cold weather which checked the Hies activity. Never-theless, they are of value as indicating the possibilities in the wayof the range of Might of flies under normal city conditions. Thereis no (l(iul)t that given the necessary conditions with regard towind and elevation above the ground the range would be consider-ably greater than was actually found in these experiments. The. Map of portion of City of Ottawa showing range of flight of marked flies. X Point where marked flies were liberated. Shaded portions A, B, C, breeding places of flies. Numbers in circles indicate number ofmarked flies recovered at the various points. greatest range of flight obtained in these experiments, namely 700yards, represents an actual flight of considerably greater distancethan is represented by a straight line from the place of liberationto the point of capture. The chief breeding places of house-flies on a large scale areshown on the accompanying map as shaded areas. The western 74 THE HABITS AND BIONOMICS OF THE HOUSE-FLY extremity of Porters Island was used as a garbage dump (C) untilJune 1911, this being about 170 yards from the isolation tents andhospital. Between the end of Water Street and Rideau River gar-bage was being dumped (A), a large proportion
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishercambridgeuniversit
