File:The American journal of science (1908) (18152528585).jpg

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Title: The American journal of science
Identifier: americanjourna4251908newh (find matches)
Year: 1880 (1880s)
Authors:
Subjects: Science
Publisher: New Haven : J. D. & E. S. Dana
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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R. /S. Lull—Cranial Musculature in Dinosaurs. 393 In the chameleon the casque generally contains five bony elements: a median interparietal, two lateral squamosals, and, connecting these in the rear, a pair of slender parietal bars (fig. 2). These structures enclose two lateral supratemporal fossae generally of large extent, though in some species, as Chameleo jpumilis (fig. 3), much reduced owing to the great development of the parietal elements of the crest. (Parker 1881, p. 97.) In the Triceratops the crest contains the same elements except that the parietal region is composed of but one bone, no trace of sutures having been found as yet. Here the supratemporal fossae are relatively small and do not lead directly through the crest or frill but downward and forward
Text Appearing After Image:
Fig. 4. Torosaurus latys; skull, top view. beneath the postfrontal bones and above the exoccipitals and jugals into the spacious cavities within the false roof of the skull (vide infra, p. 395), fig. 6. In the Judith River genera, Ceratops, Monoclonius, and Centrosaurus, and in Torosaurus of the Ceratops beds, the crest is perforated by a pair of relatively immense parietal fenestras, absent in Triceratops and its near relative Dicera- tops. These fenestras seem at first sight to be the equivalents of the supratemporal fossae of the chameleon, as their relation- ship with the bony elements of the frill is practically the same. This I believe to be partially true : the fenestras in the Cera-

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Volume
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1908
Flickr tags
InfoField
  • bookid:americanjourna4251908newh
  • bookyear:1880
  • bookdecade:1880
  • bookcentury:1800
  • booksubject:Science
  • bookpublisher:New_Haven_J_D_E_S_Dana
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Biodiversity_Heritage_Library
  • bookleafnumber:425
  • bookcollection:biodiversity
  • BHL Collection
  • BHL Consortium
Flickr posted date
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27 May 2015

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current05:23, 13 September 2015Thumbnail for version as of 05:23, 13 September 20151,496 × 1,114 (432 KB) (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Title''': The American journal of science<br> '''Identifier''': americanjourna4251908newh ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&...

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