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| Keywords: The Quarterly journal of the Geological Society of London (13859922003).jpg H G SEELET ON NEFSTICOSAUEUS PUSILLUS <br> 359 <br> bone is known to exist in any Crocodile In Plesiosanrs however <br> the clavicles have become small or absent and blended with the <br> greatly enlarged interclavicle in those species in which they have <br> been observed ; so that in this respect the clavicular region in <br> Plesiosaurus is rather more like that of the Crocodile than is that of <br> Noiliosaurus The resemblance however cannot be pressed because <br> in Plesiosaurus the interclavicle connects the scapulae together and <br> braces both of those bones to the coracoids But we are justified <br> in inferring that with the diminution of the anterior expansion of the <br> scapula in Crocodiles the clavicle became lost <br> Fig 1 ” Restoration of the Pectoral Arch of Neusticosaurus <br> external aspect <br> a Coracoid <br> c Clavicle <br> b Scapula <br> d Interclavicle <br> The Pelvic Arch <br> The pelvis consists as usual of ilium pubis and ischium In <br> the principal specimen PI XIII fig 1 the articular head of the <br> ilium is seen in situ contributing to form the upper and major portion <br> of the tripartite articulation ; but on the right side the acetabulum <br> is broken away ; so that I can only mention that the head of the ilium <br> is rhomboid 4 mm wide and 5 mm deep The pubic and ischiac <br> bones meet by suture in the median line and extend over 4 or 5 <br> vertebrae The length of the pelvic region formed by these two <br> bones is about 2 cm The bones are expanded and thin and <br> closely resemble the corresponding elements in Plesiosaurus The <br> transverse measurement across the pubic bones as preserved is <br> 23 mm ; but there seems to have been a slight displacement on the <br> left side by which the antero-posterior measurement of the bone <br> has become less than on the right side Each bone is subqua- <br> 2b2 <br> I 36936156 113692 51125 Page 359 Text 38 http //www biodiversitylibrary org/page/36936156 1882 Geological Society of London NameFound Neusticosaurus NameConfirmed Neusticosaurus EOLID 4532500 NameBankID 4258287 NameFound Plesiosaurus NameConfirmed Plesiosaurus EOLID 4532515 NameBankID 4302234 NameFound Pusillus NameConfirmed Pusillus NameBankID 5100990 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 38 1882 Geology Periodicals Smithsonian Libraries bhl page 36936156 dc identifier http //biodiversitylibrary org/page/36936156 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-15 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13859922003 2015-08-26 07 55 37 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1882 Photos uploaded from Flickr by Fæ using a script | ||||
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