. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. 118 CIVIC BIOLOGY whole battle would be won for the season. The first commu- nity that does this with absolute thoroughness, and whose every member is intelligent enough to realize the 143,000 bushels that one pair might propagate in three months, will first be free from the world-wide, time-old plague of the " house fly, disease carrier," and from the diseases it 1 2 3 Fig. 59. Outdoor fly exterminator as adopted for manvifacture 1, attached to garbage can {mak
. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. 118 CIVIC BIOLOGY whole battle would be won for the season. The first commu- nity that does this with absolute thoroughness, and whose every member is intelligent enough to realize the 143,000 bushels that one pair might propagate in three months, will first be free from the world-wide, time-old plague of the " house fly, disease carrier," and from the diseases it 1 2 3 Fig. 59. Outdoor fly exterminator as adopted for manvifacture 1, attached to garbage can {make hole in cover as large as inside of ring, to let in plenty of light); 2, on ring with which attachment is effected; 3, on its own good-sized bait pan. Designed by the author Sketch a plan which shall prevent all flies — typhoid, stable, horn, and flesh flies — from either feeding or breeding about your own home. If the fight is carried out of doors into the camps of the enemy, this becomes one of the easiest problems to solve m the whole range of insect life, and its solution com- pletely relieves us of the need of screen windows and doors, as far as flies are concerned; and, expense aside, screenless windows and doors in summer are a 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 Hodge, Clifton Fremont, 1859-; Dawson, Jean, 1873-. Boston, Ginn
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