﻿302 
  Mr. 
  D. 
  M. 
  S. 
  Watson 
  o« 
  

  

  the 
  supraoccipital 
  inclines 
  forwards 
  ; 
  it 
  is 
  a 
  broad 
  flat 
  ])late 
  

   provided 
  with 
  a 
  low 
  median 
  ridge, 
  and 
  its 
  upper 
  and 
  outer 
  

   edges 
  are 
  covered 
  by 
  the 
  interparietal 
  and 
  tabuhires. 
  The 
  

   post-temporal 
  fossae 
  are 
  not 
  well 
  shown, 
  but 
  on 
  the 
  left 
  side 
  

   tlie 
  upper 
  border 
  is 
  clear 
  as 
  a 
  smooth 
  notch 
  on 
  the 
  lower 
  

   edge 
  of 
  the 
  tabular, 
  and 
  something 
  is 
  seen 
  of 
  the 
  paroccipital 
  

   process 
  below 
  it 
  on 
  the 
  right 
  side, 
  wlicre 
  its 
  end 
  is 
  in 
  contact 
  

   with 
  the 
  squamosal. 
  It 
  is 
  certain 
  from 
  the 
  condition 
  on 
  

   either 
  side 
  that 
  the 
  fossa 
  was 
  very 
  small. 
  

  

  Below 
  the 
  post-temporal 
  fossa 
  there 
  is 
  a 
  considerable 
  

   expanse 
  of 
  bone 
  visible 
  on 
  the 
  left 
  side, 
  which 
  is 
  partly 
  basi- 
  

   occipital. 
  The 
  foramina 
  in 
  this 
  region 
  are 
  not 
  visible, 
  but 
  

   the 
  position 
  of 
  the 
  inner 
  ends 
  of 
  the 
  stapes, 
  which 
  agrees 
  on 
  

   the 
  two 
  sides, 
  shows 
  that 
  the 
  fenestra 
  ovale 
  lay 
  very 
  low 
  

   down 
  just 
  above 
  the 
  tubera 
  basisphenoidales. 
  

  

  Su'pratem.poral. 
  

  

  As 
  shown 
  on 
  the 
  right 
  side, 
  the 
  supratemporal 
  is 
  a 
  very 
  

   small 
  bone 
  having 
  a 
  suture 
  with 
  the 
  parietal 
  and 
  wedged 
  in 
  

   between 
  the 
  tabular 
  and 
  the 
  squamosal. 
  In 
  front 
  the 
  suture 
  

   is 
  perfectly 
  clear, 
  and 
  was 
  represented 
  in 
  Prof. 
  Broili^s 
  

   original 
  figure; 
  behind, 
  although 
  not 
  so 
  clear, 
  it 
  is, 
  I 
  think, 
  

   fairly 
  certain. 
  It 
  is 
  unfortunate 
  that 
  the 
  loss 
  of 
  this 
  region 
  

   on 
  the 
  left 
  side 
  prevents 
  corroboration 
  there. 
  

  

  Squamosal. 
  

  

  The 
  upper 
  part 
  of 
  the 
  squamosal 
  is 
  in 
  contact 
  with 
  the 
  

   lower 
  surface 
  of 
  the 
  parietal, 
  which 
  terminates 
  behind 
  in 
  a 
  

   suture 
  with 
  it. 
  In 
  front 
  it 
  touches 
  the 
  postorbital, 
  so 
  as 
  

   completely 
  to 
  exclude 
  the 
  parietal 
  from 
  the 
  temporal 
  fossa. 
  

   I'urther 
  back 
  it 
  forms 
  a 
  plate 
  on 
  the 
  side 
  of 
  the 
  skull, 
  curves 
  

   round 
  on 
  to 
  the 
  back, 
  and 
  then 
  still 
  farther 
  until 
  it 
  plunges 
  

   under 
  the 
  tabular 
  and 
  paroccipital 
  ; 
  beloAv 
  the 
  post-temporal 
  

   fossa 
  it 
  is 
  clearly 
  shown 
  on 
  the 
  left 
  side 
  to 
  be 
  overlapped 
  by 
  

   the 
  pterygoid. 
  

  

  On 
  the 
  right 
  side 
  what 
  is 
  either 
  the 
  lower 
  end 
  of 
  the 
  

   squamosal 
  or 
  the 
  striated 
  surface 
  to 
  which 
  it 
  was 
  attached 
  

   is 
  seen 
  on 
  the 
  outer 
  and 
  posterior 
  side 
  of 
  the 
  quadrate 
  some 
  

   distance 
  above 
  the 
  articulation. 
  

  

  Stapes. 
  

  

  The 
  proximal 
  end 
  of 
  the 
  stapes 
  is 
  in 
  position 
  on 
  both 
  

   sides 
  ; 
  it 
  is 
  an 
  extremely 
  massive 
  bone, 
  consisting 
  of 
  a 
  

   laterally 
  compressed 
  shaft 
  which 
  expands 
  considerably 
  at 
  the 
  

   fenestra 
  ovale 
  ; 
  it 
  cannot 
  be 
  seen 
  if 
  it 
  is 
  perforated 
  for 
  the 
  

   stapedial 
  artery. 
  

  

  