. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. IMFUKTANT FLIES 11;*) aiititiuated methods of storing, piliug, aud rolling. All staMc wnsUt should be hauled and spread on the land daily. It will generally become too dry for flies to breed in. The most expensive and disastrous I'allacy in lliis u hole pn»bl«Mii is the "fly-tight" pit or receptacle for stable wastle excuse, "Make them flv-tight, so the flies cannot get in to lay their ; Eggs by tlic luillion an* laid in the material he/ore it is put into t


. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. IMFUKTANT FLIES 11;*) aiititiuated methods of storing, piliug, aud rolling. All staMc wnsUt should be hauled and spread on the land daily. It will generally become too dry for flies to breed in. The most expensive and disastrous I'allacy in lliis u hole pn»bl«Mii is the "fly-tight" pit or receptacle for stable wastle excuse, "Make them flv-tight, so the flies cannot get in to lay their ; Eggs by tlic luillion an* laid in the material he/ore it is put into the pit; the tight construction, nuikes it an artifi- cially perfected fly incubator, and when it is opened, as it must be dailv, the flies swarm out. By this method w'e actu- ally go to great labor and ex- pense to breed more flies. In cities, instead of fly-tiglit stable pits, we should have, by city ordinance, readily ac- cessible elevated hoppers or concrete-floored bins, and the city should arrange to empty these clean to the concrete at least once a week from May to October. It would be much better, for purity of air and. 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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Keywords: ., bookleafnumber133, bookpublisherbostonginn, booksubjectbiology