. Locust control in the Prairie provinces [microform]. Acrididés; Locusts; Sauterelles, Lutte contre les; Grasshoppers. Fig. 4. A. Frame of liopperdozer to be lined inaiile witli milvaiiizcd sheet iron or canvas. B. Water-tight trayg to fit into bottom of frame to hold the water and coal oil. (Original.) in use the travs, fig. 4b, are filled with about an ineh of water and one-half inch of coal oil, into which the locusts fall after striking the back or sides of the hopperdozer. The appliance is drawn by two horses, one on each end, see fig. 5. It is especiallv useful in pastures where there i
. Locust control in the Prairie provinces [microform]. Acrididés; Locusts; Sauterelles, Lutte contre les; Grasshoppers. Fig. 4. A. Frame of liopperdozer to be lined inaiile witli milvaiiizcd sheet iron or canvas. B. Water-tight trayg to fit into bottom of frame to hold the water and coal oil. (Original.) in use the travs, fig. 4b, are filled with about an ineh of water and one-half inch of coal oil, into which the locusts fall after striking the back or sides of the hopperdozer. The appliance is drawn by two horses, one on each end, see fig. 5. It is especiallv useful in pastures where there is some risk in using Kio. .1. Hoppcrdoier in use. (Original.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Criddle, Norman; Canada. Division of Entomology. Ottawa : J. de L. Taché
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Keywords: ., bookauthorcriddlen, bookcentury1900, bookdecade1920, bookyear1920
