. Catalogues of the Silurian fossils of the island of Anticosti, with descriptions of some new genera and species. Paleontology; Paleontology. 86 half of tlie shell, but towards the apex the section is circular. Township of Grimsby ; Niagara formation. J. Pettit. Genus Oncoceras. Hall. This genus and Cyrtoceras pass gradually into each other, but may be retained with benefit to science for those species which are much inflated in the anterior half or two-thirds of the length. Of these there are many species which form a peculiar and interesting Please note that these images are extra
. Catalogues of the Silurian fossils of the island of Anticosti, with descriptions of some new genera and species. Paleontology; Paleontology. 86 half of tlie shell, but towards the apex the section is circular. Township of Grimsby ; Niagara formation. J. Pettit. Genus Oncoceras. Hall. This genus and Cyrtoceras pass gradually into each other, but may be retained with benefit to science for those species which are much inflated in the anterior half or two-thirds of the length. Of these there are many species which form a peculiar and interesting 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 Geological Survey of Canada; Billings, E. (Elkanah), 1820-1876. Montreal, Dawson brothers; London, New York [etc. ] Baillière
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Keywords: ., bookaut, bookcentury1800, bookdecade1860, booksubjectpaleontology
