. Biological lectures delivered at the Marine Biological Laboratory of Wood's Holl [sic]. Biology. REGENERA TION. 197 their migration in definite directions. Nevertheless, the assump- tion gave a formal explanation of the phenomena. I shall next consider, in the light of the hypothesis of trans- portation of specific stuffs, the results of certain experiments that bear on the question. When an oblique piece is cut from a planarian, as indicated in Fig. 1, A, I find that the new head develops not from the center of the piece but far up on one side, Fig. i, B; and always on that side that lay ne
. Biological lectures delivered at the Marine Biological Laboratory of Wood's Holl [sic]. Biology. REGENERA TION. 197 their migration in definite directions. Nevertheless, the assump- tion gave a formal explanation of the phenomena. I shall next consider, in the light of the hypothesis of trans- portation of specific stuffs, the results of certain experiments that bear on the question. When an oblique piece is cut from a planarian, as indicated in Fig. 1, A, I find that the new head develops not from the center of the piece but far up on one side, Fig. i, B; and always on that side that lay nearer to the head of the plana- rian. The new tail develops out of that part of the posterior side that was originally nearer to the tail of the planarian, (^ I! n. 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 Marine Biological Laboratory (Woods Hole, Mass. ). Boston, Ginn & Co
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectbiology
