. 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. CONTEMPORARIES AND SUCCESSORS OF EOZOON. 149 World, but applies to Europe as well, and Europe has famished a successor to Eozoon in the later Eozoic or Huronian period. In rocks of this age in America, after long search and much slicing of limestones, I have hitherto failed to find any decided organic re- mains other than the Tudor and Madoc specimens of Eozoon. If these are really Hu
. 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. CONTEMPORARIES AND SUCCESSORS OF EOZOON. 149 World, but applies to Europe as well, and Europe has famished a successor to Eozoon in the later Eozoic or Huronian period. In rocks of this age in America, after long search and much slicing of limestones, I have hitherto failed to find any decided organic re- mains other than the Tudor and Madoc specimens of Eozoon. If these are really Huronian and nou Lau- rentian, the Eozoon from this horizon does not sensibly Uimbel.) the with ozoon, d still to be arked (fig- 3culiar 3 New. Fia. 37. Section oj Eozoon Bavarlcum, with Serpentine, from the Gnjstalline Limestone of the Ilercijnio primitive Clay-state Formation at Hohenherg ; 25 diameters. («.) Sparry carbonate of lime. (&.) Cellular carbonate of lime, (c.) System of tubiili. {(I.) Serpentinereplacint? the coarser ordljiary variety. (i\) Serpen- tine and hornblende replacing the finer variety, ir. the very mucli coutortod portions. differ from that of the Lower Laurentian. Tbo curious limpet-like objects from Newfoundland, discovered by Murray, and described by Billings,* under tho name Aspldellaj are believed to be Huronian, but they have no connection with Eozoon, and therefore need not detain us here. Leaving the Eozoic age, we find ourselves next in the Primordial or Cambrian, and hero wo discover the sea • Canadian Naturalist, 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
Size: 2249px × 1111px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectpaleontology, bookyea
