. Elements of ecology. Ecology. \^. Fig. (Upper) Symmetrical swimming position of positively phototactic Ranatra moving toward a light source in front of it. (Lower) Position of normal animal turning toward a light source at its left. This position will be produced permanently if the right eye is removed; if both eyes are removed, the animal's position becomes symmetrical again. (Crozier, 1929, Copyright, Clark Univ. Press.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illu
. Elements of ecology. Ecology. \^. Fig. (Upper) Symmetrical swimming position of positively phototactic Ranatra moving toward a light source in front of it. (Lower) Position of normal animal turning toward a light source at its left. This position will be produced permanently if the right eye is removed; if both eyes are removed, the animal's position becomes symmetrical again. (Crozier, 1929, Copyright, Clark Univ. Press.). 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 Clarke, George L. (George Leonard), 1905-. New York, Wiley
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Keywords: ., bookcentury1900, bookpublishernewyorkwiley, booksubjectecology
