. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. Fig. 28. Fig. 27. A, B, C, are three successive ontogenetic stages of Lucernaria. The transformation from stage B (36 nuclei in the section) to stage C ( nuclei in the section) is due to a rearrangement of the nuclei. See K. & H., Fig. 49. Fig. 28. B, dispersal of elements of the gemmule ^1, which was formed, as illustrated in Figure 5, by the aggregation of similar mesenchymatous elements. This process precedes the development of the gemmule into a larva, and accom- panies the imbibition of water by

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. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. Fig. 28. Fig. 27. A, B, C, are three successive ontogenetic stages of Lucernaria. The transformation from stage B (36 nuclei in the section) to stage C ( nuclei in the section) is due to a rearrangement of the nuclei. See K. & H., Fig. 49. Fig. 28. B, dispersal of elements of the gemmule ^1, which was formed, as illustrated in Figure 5, by the aggregation of similar mesenchymatous elements. This process precedes the development of the gemmule into a larva, and accom- panies the imbibition of water by the geramules. After H. V. Wilson, '94, Jour, of Morphol, IX., Plate 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum

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Keywords: ., bookauthorha, bookcentury1800, bookdecade1890, booksubjectzoology