. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 50 11. E. Metschnikoff on the Ccelenterata and Echinodermata, and consequently belongs to the domain of the middle lamella (mesoderm, Hackel). Be- sides the points cited, the fact that the cells of the middle lamella in both the Coelenterata and the Echinodermata (at least in the young state) are exceedingly changeable, may also be adduced in favour of this view. Thus, for example, we see that the naked amoeboid cells of the skeleton-forming layer in the larva? of Echinoderms
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 50 11. E. Metschnikoff on the Ccelenterata and Echinodermata, and consequently belongs to the domain of the middle lamella (mesoderm, Hackel). Be- sides the points cited, the fact that the cells of the middle lamella in both the Coelenterata and the Echinodermata (at least in the young state) are exceedingly changeable, may also be adduced in favour of this view. Thus, for example, we see that the naked amoeboid cells of the skeleton-forming layer in the larva? of Echinoderms move about in the body-cavity, and, in consequence of active movements, collect in particular spots, e. g. in the stone-canal. In order to explain my view still more clearly, I will here compare with each other three objects which are at the first glance very similar. If we examine the three figures here given (A, B, C), we observe that all three consist of a one-layered. 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 London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
