. The dawn of life [microform] : being the history of the oldest known fossil remains, and their relations to geological time, and to the development of the animal kingdom. Paleontology; Life; Paléontologie; Vie. a Fig. 41. Structures of Arch<socyathu8 Profundus. (a.) Lower acervuline portion. (&.) Upper portion, with threo of the radiating laminae, (c.) Portion of lamina with pores and thickened part with canals. In figs, a and b the calcareous part is unshaded. of the wall (figs. 38, 39, and 41 b). In such a struc- ture the chambers in che wall of the cup and the irregular chambers of
. The dawn of life [microform] : being the history of the oldest known fossil remains, and their relations to geological time, and to the development of the animal kingdom. Paleontology; Life; Paléontologie; Vie. a Fig. 41. Structures of Arch<socyathu8 Profundus. (a.) Lower acervuline portion. (&.) Upper portion, with threo of the radiating laminae, (c.) Portion of lamina with pores and thickened part with canals. In figs, a and b the calcareous part is unshaded. of the wall (figs. 38, 39, and 41 b). In such a struc- ture the chambers in che wall of the cup and the irregular chambers of the base would be filled with gelatinous animal matter, and the pseudopods would project from the numerous pores in the inner and outer wall. In the older parts of the skeleton, 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 Dawson, J. W. (John William), Sir, 1820-1899. Montreal : Dawson
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectpaleontology, bookyea
