. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. STUDIES ON TRANSPLANTATION IN PLANARIA. 193. tocephala. Regeneration of head at the anterior cut surface is prevented, and showing reversal of polarity. FIG. 19. P. dorotocephala with postpharyngeal head-graft from P. doro- tocephala. Regeneration of head at the anterior cut surface is prevented, and showing reversal of polarity. FIG. 20. P. dorotocephala with postpharyngeal head-graft from P. doro- tocephala. Regeneration of head at the anterior cut surface is prevented, and showing induced secondary pharynges and reversal
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. STUDIES ON TRANSPLANTATION IN PLANARIA. 193. tocephala. Regeneration of head at the anterior cut surface is prevented, and showing reversal of polarity. FIG. 19. P. dorotocephala with postpharyngeal head-graft from P. doro- tocephala. Regeneration of head at the anterior cut surface is prevented, and showing reversal of polarity. FIG. 20. P. dorotocephala with postpharyngeal head-graft from P. doro- tocephala. Regeneration of head at the anterior cut surface is prevented, and showing induced secondary pharynges and reversal of polarity. FIG. 21. P. macnlata with postpharyngeal head-graft from P. dorotoccpJiala. Showing the induced secondary pharynx. FIG. 22. P. dorotocephala with postpharyngeal head-graft from P. doroto- cephala, showing the induced outgrowth from host tissue. FIG. 23. P. dorotocephala with postpharyngeal head-graft from P. macnlata. FIG. 24. P. dorotocephala with postpharyngeal head-graft from P. macnlata. FIG. 25. P. macnlata with postpharyngeal head-graft from P. macnlata, showing the two induced pharynges and reversal of 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. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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