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Light and the behavior of organisms (1911)

Mast, Samuel Ottmar, b.1871 · New York, J. Wiley & Sons; [etc., etc.] · leaf 90

An illustration from Light and the behavior of organisms, 1911, leaf 90
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Light -- Physiological effect · Phototropism

Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.

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