. The Canadian field-naturalist. 15 20 APRIL FiCiURF 1. Maximum numbers of peregrines sighted in spring. Data pooled for 10 years. 1969-1978. 10 —r NUMBER OF 5 PEREGRINES. SEPTEMBER Fkhiri 2. Maximum numbers of peregrines sighted in autumn. Data pooled for 10 years, 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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