. Acta Societatis Scientiarum Fennicae. Science. Fig. 29. • t a a 0 O n *> 9 t é • -» i -i. Fis. 30. I tt ' ? | Fig. 31. -. 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, bookcentury1900, bookdecade1910, booksubjectscience