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Gas treatment for scale insects; treating of the operations of the Horticultural Board's fumigating outfit, the applicability of the fumigation process in Cape Colony, and embodying a full description of the equipment necessary for f Report by the the Government Entomologist [Charles P. Lounsbury]
By: South Africa. - Lounsbury, Charles Pugsley,
Publication info: Cape Town, Townshend,Taylor & Snashall,1897.
Contributed by: University of California Libraries (archive.org)
Subjects: Fumigation Hydrocyanic acid gas Scale insects
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