. The chain of life in geological time [microform] : a sketch of the origin and succession of animals and plants. Paleontology; Paleobotany; Paléontologie; Paléobotanique. Fig. -^-i. —Oldhaniia antiqua (Forbes). Fig. 34.—Dictyonetna sociale. Enlarged. Lingula flags.—After Salter. Sponges may be regarded as the highest or most complex of the Protozoa. We have no links wherewith to connect them with the lower Protozoa of the Eozoic period; and through their long history, though very numerous in genera and species, they show no closer relationship with the Foraminifera below, and the Corals above


. The chain of life in geological time [microform] : a sketch of the origin and succession of animals and plants. Paleontology; Paleobotany; Paléontologie; Paléobotanique. Fig. -^-i. —Oldhaniia antiqua (Forbes). Fig. 34.—Dictyonetna sociale. Enlarged. Lingula flags.—After Salter. Sponges may be regarded as the highest or most complex of the Protozoa. We have no links wherewith to connect them with the lower Protozoa of the Eozoic period; and through their long history, though very numerous in genera and species, they show no closer relationship with the Foraminifera below, and the Corals above, than do their successors in the modern seas. They thus stand very much apart; and modern studies ^i their development and minute structures do not seem to remove them from this isolation. Though we are treating here of inhabitants of the sea, it may be proper to mention ^ Protospongia (Salter). ^ Amphispongia,. 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. London : Religious Tract Society


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea