Keywords: The Quarterly journal of the Geological Society of London (12736307755).jpg 686 <br> PROF OWEN ON THE RANK AND AFFINITIES IN <br> mosal 27 for the suspension of the tympanic 28 ; the pair of hypa- <br> pophyses i' from the basioccipital i ; the greater proportion of the <br> occipital surface contributed by the median part of the coalesced <br> Fig 2 <br> Amblyrhynchus <br> Occipital region of skull <br> parietals 7 and by the lateral extensions 7' which are relatively <br> greater ; the mastoid 8 moreover is pushed inwards by the junc- <br> tion of 7' with 27 ; finally the large vacuities between 7' and 2-4 <br> An extreme modification of the occipital is shown in the Ophidian <br> reptiles In Python reticulatus the basioccipital forms the lower <br> part of the condyle fig 3 1 supported on a short peduncle on each <br> Fig 3 <br> Fig 4 <br> Pytkon <br> Back and side views of occipital region of skull <br> side of the base of which is a low transverse ridge for attachment of <br> the capsular ligament The siugle hypapophysis is shown at i' ž <br> The exoccipitals 2 contribute the upper and lateral portions of the <br> condyle and unite together above the occipital foramen Each ex- <br> occipital has a small process supplementing that from the basioccipital <br> for the attachment of the strong capsular ligament of the occipito- <br> These characters are well shown in the corresponding view of the same <br> species in Steindachner's Monograph pi v fig 8 ; but the constituent bones are <br> not indicated and the suture between the mastoid and parietal is omitted on the <br> right side and feebly marked on the left 35818863 110705 51125 Page 686 Text 33 http //www biodiversitylibrary org/page/35818863 1877 Geological Society of London NameFound Amblyrhynchus NameConfirmed Amblyrhynchus EOLID 35626 NameBankID 2536011 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 33 1877 Geology Periodicals Smithsonian Libraries bhl page 35818863 dc identifier http //biodiversitylibrary org/page/35818863 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-24 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12736307755 2015-08-26 20 01 53 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1877 Photos uploaded from Flickr by Fæ using a script Amblyrhynchus cristatus anatomy Python genus |