Keywords: The Quarterly journal of the Geological Society of London (13204833143).jpg 252 H G SEELET ON THE DINOSAURS <br> Fig 3 Left tibia of Orthomerus Dolloi A nat size <br> /~ \ _ <br> A Outer lateral aspect c cuemial crest <br> B Outline of proximal end reversed <br> C Posterior aspect D Outline of distal end <br> the shaft widens distally in a wedge shape fig 3 c is flattened in <br> front much more than in Iguanodon with a moderate median concavity <br> for the ascending process of the astragalus which was more than 2 cm <br> 4 in wide On the outer border the bone appears to have formed a <br> slight ridge in the distal 5 cm 2 in though the ridge is abraded <br> and lost <br> The external fibular area which in Dinosaurs is usually well de- <br> fined by a sharp angle is here ill defined about 2 cm -J in wide and <br> almost in the same plane with the remainder of the distal end <br> of the bone The fibular margin is sharp sharper than in Iguanodon <br> though from the abrasion of the posterior surface it appears to be <br> sharper than it really is The fibular side appears to extend out- <br> ward more rapidly than the inner side as usual ; but the inner side <br> does not widen rapidly as in Iguanodon At 8 cm 3j- in from <br> the distal end the width of the bone is 6 cm 2 - in ; at 10 cm <br> 4 in the width is 5 cm 2 in at 12 cm 4 T 7 it is 4 cm 1- in <br> At 15 cm 6 in from the distal end the bone is 3 cm 1- in <br> from back to front and 3 cm wide <br> The posterior aspect of the bone is marked by a rounded median <br> ridge fig 3 c which becomes narrower and less elevated distally ; <br> two thirds of the bone lie on its fibular side which is flattened and 36928849 113681 51125 Page 252 Text 39 http //www biodiversitylibrary org/page/36928849 1883 Geological Society of London NameFound Iguanodon NameConfirmed Iguanodon EOLID 4530741 NameBankID 4204832 NameFound Orthomerus NameConfirmed Orthomerus EOLID 4531817 NameBankID 4271132 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 39 1883 Geology Periodicals Smithsonian Libraries bhl page 36928849 dc identifier http //biodiversitylibrary org/page/36928849 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-16 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13204833143 2015-08-26 13 56 35 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1883 Photos uploaded from Flickr by FĂŚ using a script |