Memoir Volume 11

Memoir Volume 11

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 edition. Excerpt: ...branches are its most peculiar character. The mode of branching by which this apparently paired arrangement of the branches is produced, is too much obscured by the close budding to be observable. The branches are so little compressed that they appear as tubes, where all other graptolites are completely flattened out. This results from their having been provided with an exceptionally thick periderm. To the latter fact the straight and rigid appearance of the branches, so characteristic of the form, is also due. Fig. 187-00 Amphigrnptus _ divergens (Hall). Fig. 187 Copy of original figure. Fig. 188 F.nlargemenl of sicular or central portion of type. Fig. too Enlargement of branch of same. Fig. 189 Portion of branch of other specimen, x 5 Amphigraptus multifasciatus (Hall) Plate 15, figure 4 Graptolithus multifasciatus Hall. Pal N. Y. v. 3, sup. 1859. p.508; p.509, fig-8 Graptolithus multifasciatus Hall. N. Y. State Cab. Nat. Hist. 12th An. Rep't. 1859. p.56; p.57, fig. 8 1 In Memoir 7 this form has been erroneously cited as occurring in the Quebec shales of Point Levis Ibid. p.701. Graptolithus multifasciatus Hall. Can. Org. Rem. Dec. 2. 1865. p. 10, fig. 7 Clematograptus multifasciatus Hopkinson. Geol. Soc. Quar. Jour. 1875. 31:652 Clematograptus multibrachiatus (Hall) Lap worth. Ann. & Mag. Nat. Hist. 1880. 6: 20 Graptolithus multifasciatus Walcott. Alb. Inst. Trans, v. 10. 1883. (Advance sheet. 1879, p.35) Clematograptus multifasciatus Lapworth. Roy. Soc. Can. Proc. & Trans. 1887 4: 178 Clematograptus multifasciatus Walcott. Geol. Soc. Am. Bui. 1890. 1:338 Clematograptus multifasciatus Gurley. Jour. Geol. 1896. 4:296 In 1859 Hall described the proximal portion of a multiramous form from the Normanskill shale at Kenwood near...show more

Product details

  • Paperback | 186 pages
  • 189 x 246 x 10mm | 340g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236758927
  • 9781236758927