. Catalogues of the Silurian fossils of the island of Anticosti, with descriptions of some new genera and species. Paleontology; Paleontology. 17 each other an angle of a little more than 90°. Length from posterior to anterior ventral angles 14 Hnes ; height to the umbones 10 hnes ; depth of both valves about 9 lines. Macasty Bay; H. R. T. C. Weston. Dedicated to Professor Alexander Winchell, of Ann Arbor, Michigan. Genus Ambonychia, Hall. A. RADIATA, Hall.—A variety of this species occurs at Charleton Point and Enghsh Head ; H. R. Also abundantly at Gamache Bay ; Div. 1, A. G. GASTEROPODA. Ge
. Catalogues of the Silurian fossils of the island of Anticosti, with descriptions of some new genera and species. Paleontology; Paleontology. 17 each other an angle of a little more than 90°. Length from posterior to anterior ventral angles 14 Hnes ; height to the umbones 10 hnes ; depth of both valves about 9 lines. Macasty Bay; H. R. T. C. Weston. Dedicated to Professor Alexander Winchell, of Ann Arbor, Michigan. Genus Ambonychia, Hall. A. RADIATA, Hall.—A variety of this species occurs at Charleton Point and Enghsh Head ; H. R. Also abundantly at Gamache Bay ; Div. 1, A. G. GASTEROPODA. Genus SuBULiTES, Conrad. S. RiCHARDSONi,B.,Rep. 1857, p. 306.—Charleton Point; H. R. S. ELONGATA, Conrad.—A variety or closely alUed species occurs at Macasty Bay ; H. R. Also at Junction Cliff; Div. 1, A. G. Genus Trochonema, Salter. T. UMBILICATA, Hall.—Enghsh Head; H. R. Genus Pleurotomaria, Defrance. P. Americana, B., Can. Nat. Geol., vol. v, p. 164.—Charleton Point, and Macasty Bay ; H. R. P. Helena, B., op. cit., p. 165.—Charleton Point and Table Head; Div. 1, H. R. p. CIRCE, B., op. cit., p. 303.—English Head ; H. R. P. SUBCONICA, Hall.—Macasty Bay and English Head ; H. R. Genus Cyclonema, Fig. 5. Fig. 5.—Oyclonema Thalia. A specimen enlarged three diameters. C. Thalia, B.,Rep., 1857, p. 303.—Charleton Point; H. R. Also at Junction Cliff; Div. 1, A. G. Pleurotomaria Thalia, loc. 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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