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  PELOEATID^. 
  

  

  smooth, 
  and 
  the 
  dermo-ossification, 
  as 
  it 
  develops, 
  

   produces 
  granular 
  asperities 
  which 
  may 
  become 
  con- 
  

   fluent 
  into 
  alveolar 
  ridges, 
  producing 
  a 
  pitted 
  appear- 
  

   ance. 
  In 
  very 
  old 
  specimens 
  the 
  sutures 
  between 
  the 
  

   nasals, 
  the 
  ethmoid, 
  and 
  the 
  fronto-parietal 
  may 
  become 
  

   obliterated. 
  

  

  Vomers 
  rather 
  large, 
  variable 
  in 
  shape, 
  extending 
  

   or 
  not 
  to 
  the 
  palatines, 
  which 
  are 
  strongly 
  ossified. 
  

   On 
  the 
  palatal 
  side 
  the 
  ethmoid 
  extends 
  posteriorly 
  to 
  

   about 
  the 
  middle 
  of 
  the 
  length 
  of 
  the 
  parasphenoid. 
  

   Latter 
  large, 
  J_- 
  shaped, 
  its 
  anterior 
  pointed 
  extremity 
  

   produced 
  to 
  between 
  the 
  palatines. 
  Pterygoids 
  not 
  

   reaching 
  the 
  palatines, 
  extensively 
  in 
  contact 
  with 
  

   the 
  parasphenoid. 
  Stapes 
  absent. 
  

  

  Mento-Meckelian 
  or 
  symphysial 
  bones 
  distinct 
  on 
  

   the 
  inner 
  side 
  only. 
  

  

  Hyoid 
  a 
  large 
  broad 
  cartilaginous 
  plate, 
  with 
  slender 
  

   postero-lateral 
  processes 
  ; 
  anterior 
  processes 
  much 
  

   expanded 
  and 
  confluent 
  with 
  the 
  lateral 
  wings, 
  en- 
  

   closing 
  a 
  small 
  fenestra; 
  ceratohyal 
  cornua 
  with 
  

   short 
  posterior 
  portion 
  detached 
  from 
  the 
  body 
  of 
  

   the 
  hyoid 
  ; 
  thyrohyals 
  large, 
  massive, 
  in 
  contact 
  at 
  

   the 
  base, 
  diverging 
  and 
  more 
  or 
  less 
  expanded 
  poste- 
  

   riorly. 
  

  

  Vertebral 
  column 
  once 
  and 
  a 
  half 
  to 
  twice 
  as 
  long 
  

   as 
  the 
  skull. 
  Spine 
  closed 
  above, 
  the 
  neural 
  arch 
  

   produced 
  posteriorly 
  into 
  a 
  strong 
  median 
  process 
  

   between 
  the 
  zygapophyses. 
  Three 
  anterior 
  diapo- 
  

   physes 
  strong 
  and 
  long, 
  especially 
  the 
  second, 
  which 
  

   bears 
  a 
  more 
  or 
  less 
  distinct 
  dorsal 
  knob 
  or 
  process 
  

   as 
  on 
  the 
  corresponding 
  rib 
  of 
  Discoglossus^ 
  — 
  the 
  first 
  

   directed 
  obliquely 
  forwards, 
  the 
  second 
  and 
  third 
  

   nearly 
  horizontal; 
  the 
  following 
  short 
  and 
  slender, 
  

   directed 
  forwards. 
  Sacral 
  vertebra 
  with 
  very 
  strongly 
  

   dilated 
  diapophyses, 
  the 
  transverse 
  diameter 
  of 
  which 
  

   is 
  twice 
  and 
  a 
  half 
  to 
  nearly 
  three 
  times 
  in 
  the 
  axial 
  ; 
  

   urostyle 
  short, 
  not 
  longer 
  than 
  the 
  sacral 
  wings, 
  and 
  

   fused 
  with 
  the 
  sacrum, 
  to 
  the 
  diapophyses 
  of 
  which 
  

   its 
  anterior 
  portion 
  contributes 
  if 
  these 
  processes 
  be 
  

  

  