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ENTOMOLOGY

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CONTROL OF THE HOUSE FLY AXD RELATED FLIES 157l?w. 33.-Use of fly trap in connectiongwund to which lever raising doorU. S. Dept. Agr., No. 734, fig. 6.• I •: J •" .~./with manure bin. A.is hinged. (Bishopp.)Block of wood set inFrom Farmer's Bull.,PLATE YI.-':'\lanuTc "prcadel' (Bisbopp.)

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