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The oyster-shell scale (Lepidosaphes ulmi Linn.) [microform]

by: Treherne, R. C. (Reginald Charles), 1886-1924; British Columbia. Horticultural Branch

Publication date: 1918

Topics: Ennemis des cultures, Fruits, Fruit, Cochenille virgule du pommier, Oyster-shell scale, Agricultural pests

Publisher: Victoria, B.C. : W.H. Cullin

Collection: university_of_alberta_libraries_microfilm; university_of_alberta_libraries; toronto; microfilm; additional_collections

Contributor: Canadiana.org

Language: English

Caption title

At head of title: Province of British Columbia. Department of Agriculture (Horticultural Branch)

"... prepared by R.C. Treherne ..."--p. 3

Original issued in series: Circular. New horticultural series / British Columbia. Horitucltural Branch ; no. 41

Filmed from a copy of the original publication held by Agriculture Canada, Canadian Agriculture Library, Ottawa

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