. The Canadian field-naturalist. • Sub-colony Site 1938 Source Soper, 1952 Gull Island (E ,7 Rocky Island &' Lavallee Lake. ^ Pelicon Island • Sub-colony Site 1968 Source Greyeii, I968 Gull Island Rocky Islond. 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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