Keywords: The Quarterly journal of the Geological Society of London (13860107274).jpg J W HTTLKE ON SOME IGX7ANODON-EEMAIN8 141 <br> backwards a lip adapted to the intercondylar groove of the phalanx <br> next behind ; and the nnder surface is reduced to a minimum by the <br> plantar prolongation backwards of the distal articular surface The <br> ungual phalanx of this toe is smaller than that of the other toes <br> Its figure is less symmetrical than that of the middle toe An out- <br> ward inclination serves to distinguish it from the claw-bone of the <br> inner toe than which it is also less blunt Its present length is <br> 14 centim 5 in ; but when perfect it was probably not less <br> than 15-5 centim 6 in long The vertical diameter of its proxi- <br> imal end is 6'1 centim 2 in and the horizontal diameter 57 <br> centim 2J in The breadth of the phalanx at the base of the <br> claw-groove is 8 3 centim 3 J in and at 2 centim -J in from the <br> distal end it is 4 2 centim 1- in <br> Vertebras fig 2 ” The three caudal vertebrae were found cemen- <br> ted together by rock which has preserved their natural sequence A <br> slight lateral dislocation has permitted me to lay bare their articular <br> surfaces The centra are short ; measured along the neural surface <br> their length is only 11 4 centim 11 centim and 10 6 centim 4-1- <br> 4-L and 4-J in The vertical dimension or height measured from <br> the neural surface to the under surface between the chevron-facets <br> is 18-6 centim 18 4 centim and 17 centim 7J 7-J- and 7 in <br> The horizontal diameter below the root of the transverse process <br> is 13-2 centim 13 4 centim and 12-3 centim 54- 5J and 4- in <br> Fig 2 ” Oblique anterior View of an early Caudal Vertebra of <br> Iguanodon Seelyi About \ nat size <br> A gentle expansion of the centrum towards its articular ends <br> imparts to the lateral surfaces a slight concavity in the antero- <br> posterior direction These surfaces are nearly plane in the vertical <br> direction ; and below they converge slightly The under surface is <br> much reduced by the encroachment of the chevron-facets of which <br> the posterior is much the larger The great size of these facets <br> diminishes the lateral surfaces in the lower third of their extent ; 36935912 113692 51125 Page 141 Text 38 http //www biodiversitylibrary org/page/36935912 1882 Geological Society of London NameFound Iguanodon NameConfirmed Iguanodon EOLID 4530741 NameBankID 4204832 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 38 1882 Geology Periodicals Smithsonian Libraries bhl page 36935912 dc identifier http //biodiversitylibrary org/page/36935912 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 N02/13860107274 2015-08-26 07 52 59 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 |