. Degeneration : a chapter in Darwinism. Degeneration; Evolution. 42 DEGENERA TION. Ascidians, have a form totally different from that of their parents. The ^gg of Phallusia giv^es rise to a tadpole, a drawing of which placed side by side with the somewhat larger tadpole of the common frog is seen in the adjoining figure (Fig. i6). The young Ascidian has the same general shape as the young frog, but not only this ; the resemblance extends into details, the internal organs agreeing closely in the two cases. Further still as shown by the beautiful. TAIL SPIRACLE EYE M0UT8. Please note that these
. Degeneration : a chapter in Darwinism. Degeneration; Evolution. 42 DEGENERA TION. Ascidians, have a form totally different from that of their parents. The ^gg of Phallusia giv^es rise to a tadpole, a drawing of which placed side by side with the somewhat larger tadpole of the common frog is seen in the adjoining figure (Fig. i6). The young Ascidian has the same general shape as the young frog, but not only this ; the resemblance extends into details, the internal organs agreeing closely in the two cases. Further still as shown by the beautiful. TAIL SPIRACLE EYE M0UT8. 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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