. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. LAURENS: MONOCHROMATIC LIGHTS. 2S3 the whole body was exposed, there were a few points of difference in the reactions to each. It therefore seemed worth while to test the reactions to balanced pairs of monochromatic lights, exposing first only the eyes; and secondly, only the skin. In testing the reactions. Fig. 6.— Curves representing the percentages of movements toward yellow when paired with the three other lights, when the lights are received through both the skin and the eyes ( ); through the eyes only (
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. LAURENS: MONOCHROMATIC LIGHTS. 2S3 the whole body was exposed, there were a few points of difference in the reactions to each. It therefore seemed worth while to test the reactions to balanced pairs of monochromatic lights, exposing first only the eyes; and secondly, only the skin. In testing the reactions. Fig. 6.— Curves representing the percentages of movements toward yellow when paired with the three other lights, when the lights are received through both the skin and the eyes ( ); through the eyes only ( ); and through the skin only ( ). Wave-lengths as abscissae and percentages of movements as ordinates. Points marked on axis of abscissae are the positions of the wave- lengths of the middle band of each light. B = Blue; G = Green: R = Red; Y = Yellow. in which only the eyes served as receptors, the method and procedure followed were the same as those described on p. 264-266, with the modifications given on p. 268 and 277. The results of the tests are given in Table 8. Two sets of twelve. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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