. Carnegie Institution of Washington publication. 14o ARCHEGON1ATES. the others lay in the cytoplasm of the receptive spot (Fig. 56, C). (In this figure one of the spermatozoids was cut in sectioning, so that only two separate pieces of it are shown, the other parts being in the next section.) The nucleus was concave above, but the egg-cell had not collapsed. It remained apparently turgid, having been only slightly shrunken uniformly on all sides by the reagents. The mem- brane of the egg seemed to be firm, but whether it was anything more than a plasma membrane I was unable to determine. The


. Carnegie Institution of Washington publication. 14o ARCHEGON1ATES. the others lay in the cytoplasm of the receptive spot (Fig. 56, C). (In this figure one of the spermatozoids was cut in sectioning, so that only two separate pieces of it are shown, the other parts being in the next section.) The nucleus was concave above, but the egg-cell had not collapsed. It remained apparently turgid, having been only slightly shrunken uniformly on all sides by the reagents. The mem- brane of the egg seemed to be firm, but whether it was anything more than a plasma membrane I was unable to determine. The prothal- lium from which this preparation was made was killed in chrom-acetic. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington


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