. Abhandlungen der Naturforschenden Gesellschaft in Zurich. Ci ^^^omiun ü'ipi&rfn vrwo uno. ^^.p^ler- «^^/ä/- 2-/ ;^ •^.c/l. !i^i:zA^l'/ru/p.^.. 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 Naturforschende Gesellschaft in Zürich.

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Keywords: ., bookauthornaturfor, bookcentury1700, bookdecade1760, bookyear1761