. The Canadian field-naturalist. â i â i â i â i â i ' i â i ' 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Number of Periclistus sp. larvae per gall Dawson City, Yukon Territory. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Number of Periclistus sp. larvae per gall 30 1 Manitoulin Island, Ontario 1989. 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 Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

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Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1910, bookyear1919