Geological Magazine Volume 2

Geological Magazine Volume 2

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ...The proximally expanded fibula of Streptospondylus is conspicuous on account of its slender character, especially when compared with the robust form of the associated tibia. In consequence of this disproportion it seems much more slender than in either Creosaurus, Allosaurus, or the Triassic forms. It does not show any trace of distal expansion. In the astragalus, which is applied firmly to, but not united with, the calcaneum, a well-developed ascending process is always present, but never reaches so high as in Poikilopleuron. As in the latter animal it is applied against a projection of the tibia. I wish Restoration of the skeleton of Streptospondylus, from the Oxford Clay of Oxford. Reconstructed by Dr. Francis Karon Nopcsa from the original specimen in Mr. J. Parker's collectii (The shaded parts represent the bones actually known 1 to refer to a former paperl for the phylogenetio value of the ascending process. In opposition to what is known of Allosaurus and Megalosaurut, there are in Streptospondylus in each foot four well-developed metatarsal bones, each bearing well-developed toes armed with claws. The claws show the carnivorous pattern. With the superior crest of the ilium Mr. Parker's nearly complete Streptospondylus stood about 4 ft. 9 in. from the ground, and the Paris specimen may have been 6 feet in height; the total length of these two animals was probably 20 and 27 feet. Megalosaurus, we may assume, may have attained a maximum length of 30 feet. Plate XV accompanying this notice gives a reconstruction of Streptospondylus as based on the study of Mr. J. Parker's fossil, and Miss A. B. Woodward has had the great kindness to make this drawing according to my direotions. The large skull, the feeble but flexible neck, the weak more

Product details

  • Paperback | 276 pages
  • 189 x 246 x 15mm | 499g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236673751
  • 9781236673756