. Degeneration : a chapter in Darwinism. Degeneration; Evolution. 48 DEGENERA TION. the light (see Fig. 23, and explanation). The Ascl- dian tadpole helps us to understand this, for it is. Fig 22.—Section through the eye (" surface-eye ") of a Marine Worm (Neophanta). i, integument spreading over the front of the eye c ; I, cuticular lens; h, cavity occupied by vitreous body; p, retinal cells; b, pigment; o, optic nerve: o'. expansion of optiC Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloratio
. Degeneration : a chapter in Darwinism. Degeneration; Evolution. 48 DEGENERA TION. the light (see Fig. 23, and explanation). The Ascl- dian tadpole helps us to understand this, for it is. Fig 22.—Section through the eye (" surface-eye ") of a Marine Worm (Neophanta). i, integument spreading over the front of the eye c ; I, cuticular lens; h, cavity occupied by vitreous body; p, retinal cells; b, pigment; o, optic nerve: o'. expansion of optiC 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 Lankester, E. Ray (Edwin Ray), Sir, 1847-1929. London : Macmillan and Co.
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