. The Canadian field-naturalist. July-Sept. 1957] The Canadian Field-Naturalist 131 jf£cr SH£QUIRND/^H 51T£: (SAmiTTx) n/JNITOUL/N ISLfJND, ONT. P/CCff f/NUS aBTULff ffC Ts ffk <? 7"/ Ul /ffi Ufifi if/a af-^[ so'M /o%\ 751 7s\ /rx /o\ /o\ /r. Figure 3. The pollen record in Swamp 3, by Dr. J. Terasmae. Note the decrease in pine and the increase in spruce and nonarboreal pollen, centering in the fibrous peat at 4-foot depth. This represents a cold period and may correlate with the Cochrane advance of ice. Irregularities above this point may be due to forest Please note that these
. The Canadian field-naturalist. July-Sept. 1957] The Canadian Field-Naturalist 131 jf£cr SH£QUIRND/^H 51T£: (SAmiTTx) n/JNITOUL/N ISLfJND, ONT. P/CCff f/NUS aBTULff ffC Ts ffk <? 7"/ Ul /ffi Ufifi if/a af-^[ so'M /o%\ 751 7s\ /rx /o\ /o\ /r. Figure 3. The pollen record in Swamp 3, by Dr. J. Terasmae. Note the decrease in pine and the increase in spruce and nonarboreal pollen, centering in the fibrous peat at 4-foot depth. This represents a cold period and may correlate with the Cochrane advance of ice. Irregularities above this point may be due to forest 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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