. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 4. Colpidium campylum. Camera lucida drawings from material fixed in Schaudinn's fluid and stained with the Feulgen nucleic acid reaction. < 567. A. Macronucleus elongate. Constrictions are starting on either side of tin- central chromatin mass. B. The central chromatin mass has divided and the macronuclens has become constricted between the two halves. C. The chromatin of the central mass has become evacuolated and is only slightly different in staining capacity from that of the rest of the daughter macro- nuclei. D
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 4. Colpidium campylum. Camera lucida drawings from material fixed in Schaudinn's fluid and stained with the Feulgen nucleic acid reaction. < 567. A. Macronucleus elongate. Constrictions are starting on either side of tin- central chromatin mass. B. The central chromatin mass has divided and the macronuclens has become constricted between the two halves. C. The chromatin of the central mass has become evacuolated and is only slightly different in staining capacity from that of the rest of the daughter macro- nuclei. D. The daughter macronuclei have nearly separated. Plasmotomy is well under way. E. An anterior daughter ciliate after division. The central chromatin is bud- ding off from the macronucU-us. /•". A posterior daughter ciliate in the same stage as E. G. Fragmentation of the central chromatin bud. Tin- micronucleus is seen to the right of the macronucleus. H. The bud fragments have become deeply staining spheres and are drifting in the cytoplasm. /. The nuclei have reorganized. In the posterior endoplasm two spheres of central chromatin are seen. These spheres represent the disintegrating products of the 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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