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| Keywords: The Quarterly journal of the Geological Society of London (12645660465).jpg 1862 <br> HTJXLEY CARBONIFEROUS LABYRINTHODONT <br> 63 <br> field and then described were necessarily Ichthyosaurian ” seeing <br> that I had mnch reason to suspect that they might belong either to <br> Labyrinthodonts or to some genus of intermediate characters be- <br> tween Labyrinthodonts and Ichthyosaurians <br> Within the last few days Mr Russell has sent me the vertebra of <br> which an outline-view is given in fig 2 one-half the natural size <br> It was found in the same bed as that which yielded the skull of <br> Anthracosaurus and corresponds very well in size with what one <br> might expect would be the dimensions of a dorsal vertebra of that <br> animal Associated with it on the same slab are several other less <br> complete vertebraa and the remains of two ribs <br> Fig 2 <br> A Dorsal vertebra of Anthracosaurus viewed from behind <br> B Rib of the same Amphibian <br> A <br> i <br> A - <br> B - <br> Body of the vertebra <br> The longer division of the transverse process and <br> The shorter division / Spinous process <br> Anterior zygapophysis g Neural canal <br> Posterior zygapophysis <br> Capitulum b Tuberculum <br> The body of the vertebra is greatly flattened from before back- <br> wards as the subjoined measurements will show The exposed <br> articular surface is concave and a section which I have had made of <br> a similar vertebral body shows that it was equally concave upon both <br> sides The concavity however is not conical in section like that of <br> a fish's vertebra but its sides are a little convex rising slightly within <br> the margin Hence the section of this vertebra has very much the <br> same appearance as that of Mr Marsh's problematical vertebra repre- <br> sented in the figure which accompanies his paper <br> The contour of the vertebral body is not circular but is slightly <br> angulated so that it would tend to be octagonal were not the place of <br> Am Journ Science n s vol xxxiv pi 2 fig 2 35328022 109632 51125 Page 63 Text v 19 http //www biodiversitylibrary org/page/35328022 1863 Geological Society of London NameFound Anthracosaurus NameConfirmed Anthracosaurus EOLID 4358928 NameBankID 4072910 NameFound Capitulum NameConfirmed Capitulum EOLID 4300821 NameBankID 4103098 NameFound Tuberculum Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 19 1863 Geology Periodicals Smithsonian Libraries bhl page 35328022 dc identifier http //biodiversitylibrary org/page/35328022 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-20 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12645660465 2015-08-27 10 54 55 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1863 Photos uploaded from Flickr by Fæ using a script | ||||
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