Fossil Footprints of the Jura-Trias of North America

Fossil Footprints of the Jura-Trias of North America

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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. 1904 edition. Excerpt: ...and IV, 20. Length of digit II, .200 m.; of III, .260 m.; of IV, .285 In. Distance between lateral claws, .225 m. Length of foot, .370 m. Length of step, 1.090 to 1.170 m. This form is the largest of the genus and with the possible exception of Otozomn moodii and Gigandipus caudatus, the largest of all the Connecticut valley dinosaurs. The track would indicate an animal eighteen to twenty feet in length and of massive build. Its occurrence is among the most frequent and it has been reported from Massachusetts, Connecticut, and New Jersey.. The type is no. '$5, of the Hitchcock cabinet, locality unrecorded. The figure (fig. 31) is drawn from no. ',9 of the same collection. 7 Fig. 31. Eubrontes giganteus E. Hitchcock. Impression of the right pes, with the skeleton of Fig. 32. Iflulnwntes appro.u-matus (C. H. Hitchthe foot restored. X. From no. 1," of the cock). Imprint of the left pes. X. From no.-2, Hitchcock cabinet. of the Hitchcock cabinet. Eubrontes approximatus (C. H. Hitchcock). Brontozoum approximatum C. H. Hitchcock, in E. Hitchcock, '65, p. 23, pl. 10, fig. 2. Specific characters. Divarication of digits II and III, 15 to 30; of III and IV, 13 to 24. Length of digit II, .192 to.153 m.; of III, .274 to.230 m.; of IV, .308 to.295 m. Length of foot, .408 to.381 m. Length of step from no.-f, .910 to 1.080 m. In the above measurements the first given is from the figured specimen, no. --, the second from the type, no.-1%, of the Hitchcock cabinet. This form is very near E. giganteus being distinguished therefrom mainly by its more slender proportions. The other distinguishing feature mentioned by C. H. Hitchcock, namely, that of the greater divarication of the toes, is not always apparent as the measurements show. more

Product details

  • Paperback | 32 pages
  • 189 x 246 x 2mm | 77g
  • United States
  • English
  • black & white illustrations
  • 1236965213
  • 9781236965219