. Acta Societatis Scientiarum Fennicae. Science. Fig. 17. Fig. 18. Fig. 19. J> ¥f- \ / » 0 b' a" Fig. 21. NT- \ .-^a. '^i- Fig. 22. O Fig. 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: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1871