. Contributions. Biology. 272 yoitrnnl of Comparative Neurology and Psychology. swimming position with the axis of the body bent downward several degrees from the normal swimming position (perhaps 45°from the horizontal), the exact amount appearing to be dependent upon the intensity of the light. This new swimming position w^as usually maintained as long as the conditions of light remained unchanged. It might sometimes be interrupted by backw^ard rotations through 360°. These rotations invariably culminated in the assumption of the new swimming position (Fig. 18, B). In case the direction of t


. Contributions. Biology. 272 yoitrnnl of Comparative Neurology and Psychology. swimming position with the axis of the body bent downward several degrees from the normal swimming position (perhaps 45°from the horizontal), the exact amount appearing to be dependent upon the intensity of the light. This new swimming position w^as usually maintained as long as the conditions of light remained unchanged. It might sometimes be interrupted by backw^ard rotations through 360°. These rotations invariably culminated in the assumption of the new swimming position (Fig. 18, B). In case the direction of the rays was both from the side and from above the resultant reaction was a combination of the reaction described above and the direct side 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 Brown University. Biological Laboratory. Providence, R. I


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