. Commentarii Academiae Scientiarum Imperialis Petropolitanae. Conim:Acud:Sclab:l .paxi:^ HD. 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 Imperatorskaia akademiia nauk i khudozhestv (Russia). Petropoli

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