. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 190 CCELENTERATA. [ Graptolithus, LinnicuB, 1736, Syst. Nat., Ist Ed., but it was not until 1707, in the 12th Ed., that any sf/ecies were defined. [Ety. ffrapho, I write; lithos, stone.] Stipes elongated, slender, flattened, or quad- rangular; they may be simple or bifur- cating; the cells enter the central cana' and open their mouths upward, so ab to form denticles on the margins when compressed. Type G. sca
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 190 CCELENTERATA. [ Graptolithus, LinnicuB, 1736, Syst. Nat., Ist Ed., but it was not until 1707, in the 12th Ed., that any sf/ecies were defined. [Ety. ffrapho, I write; lithos, stone.] Stipes elongated, slender, flattened, or quad- rangular; they may be simple or bifur- cating; the cells enter the central cana' and open their mouths upward, so ab to form denticles on the margins when compressed. Type G. scalaris. abnormis. Hall, 1858, Geo. Sur. Can., p. 117, and Can. Org. Kern., Decade 2, p. 106, Quebec (ir. alatus, Hall, 1858, dleo. Sur. Can., p. 127, and Can. Org. Item., Decade 2, p. 93, Quebec < Jr. amplexicaulis, see Diplograptus amplexi- caulis. angustifolitis, see Diplograptus angusti- foliuR. annectans, Walcott, 1879, Utica Slate and related formations, p. 20, Utica Slate. arUennarius, see Climacograptus anten- narius. approximatuR, Nicholson, 187;i,(Tetragrap- tus approximatus,) Ann. and Mag. Nat. Hist., 4th set., vol. 12, Quebec (Jr. arcuatus, Hall, 1865. Can. Org. Rem., De- cade 2, p. 79, Quebec Gr. hicomis, see Climacograptus bicornis. bifidus. Hall, 1858, Can. Nat. and Geo., vol. 3, p. 73, Quebec Gr. bigsbyi. Hall, 1865, Can. Org. Rem., De- cade 2, p. 86, Quebec Gr. bryonoidep, Hall, 1858, Geo. Sur. Can., p. 126, and Can. Org. Rem., Decade 2, p. 84, Quebec Gr. caducem, see Didymograptus caduceus. clintonensis. Hall, 1843, Geo. Rep. 4th Dist. N. Y., p. 74, and Pal. N. Y., vol. 2, p. 39, Clinton Gr. constrictus. Hall, 1865, Can. Org. Rem., Decade 2, p. 76, Quebec Gr. crucifer. Hall, 1858, Geo. Sur. Can., p. 126, and Can. Org. Rem., Decade 2, p. 92, Quebec Gr. dentatus, Emmons, 1842, Geo. Rep. N. Y , p. 279, Utica Slate. denticulatus. Hall, 1858, Geo. Sur. Can., p. 132, and Can. Org. Rem., Decade 2, 1-. 88, Quebec (ir. divaricatus, Hall, , Pal. N. Y., vol. 3,
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