. Acta Societatis Scientiarum Fennicae. Science. PL. IV. 69. ^^"^, ii^^' '-S. i^ ,(•:.??' 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 Suomen Tiedeseura. Helsingfors : [Suomen Tiedeseura]

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Keywords: ., bookauthorsu, bookcentury1800, bookdecade1890, booksubjectscience