﻿548 
  Mr. 
  R. 
  W. 
  Hooley 
  on 
  tlie 
  

  

  ulnre. 
  Corrections 
  must 
  be 
  made 
  on 
  all 
  the 
  other 
  tablets, 
  as 
  

   well 
  as 
  in 
  the 
  letterpress 
  and 
  figures 
  of 
  ' 
  Ornitliosauria 
  ' 
  : 
  — 
  

  

  Tfihlets. 
  

  

  J. 
  a. 
  10*. 
  Distal 
  ends 
  of 
  iilnfe, 
  7wt 
  " 
  radii." 
  

   J. 
  a. 
  11. 
  Proxi'iial 
  ends 
  of 
  ulnfe, 
  not 
  "radii." 
  

   J. 
  a. 
  12. 
  Distal 
  ends 
  of 
  radii, 
  not 
  " 
  iilupe."' 
  

   J. 
  a. 
  13. 
  Proximiil 
  ends 
  of 
  radii, 
  not 
  " 
  ulnfe." 
  

  

  Letterpress 
  and 
  titles, 
  'Ortn'thosnuria.^ 
  

  

  P. 
  4.3, 
  /o;- 
  I. 
  Distal 
  end 
  of 
  " 
  Ulna," 
  read 
  Radius. 
  

  

  P. 
  44,"'' 
  Nos. 
  5 
  and 
  6 
  on 
  another 
  tablet 
  (? 
  tablet 
  J. 
  a. 
  13) 
  appear 
  to 
  be 
  

  

  distal 
  ends 
  of 
  ulna." 
  For 
  " 
  ulna 
  " 
  7-ead 
  radius. 
  

   P. 
  U,for 
  II. 
  Distal 
  End 
  of 
  " 
  Radius," 
  read 
  Ulna. 
  

   P. 
  4,6, 
  for 
  IV. 
  Pro.ximal 
  End 
  of 
  " 
  Radius," 
  7-ead 
  Ulna. 
  

  

  Figures. 
  

  

  Plate 
  II. 
  Figs. 
  7, 
  8, 
  & 
  9. 
  Proximal 
  ends 
  of 
  riglit 
  ulna, 
  not 
  "radius." 
  

  

  Plate 
  III. 
  Fig. 
  1. 
  Ventral 
  view 
  of 
  distal 
  end 
  of 
  left 
  ulna, 
  not 
  "radius." 
  

  

  Fig. 
  2. 
  Dorsal 
  view 
  of 
  distal 
  end 
  of 
  left 
  ulna, 
  not 
  " 
  right 
  

  

  radius." 
  

   Fig. 
  3. 
  Distal 
  articulntion 
  of 
  left 
  ulna, 
  not 
  " 
  right 
  radius." 
  

   Fig. 
  10. 
  Distal 
  end 
  of 
  right 
  radius, 
  not 
  " 
  ulna." 
  

   Fig. 
  12. 
  Distal 
  end 
  of 
  left 
  radius, 
  9iot 
  "ulna." 
  

   Plate 
  XI. 
  Fig. 
  7. 
  Specimen 
  J. 
  c. 
  9, 
  for 
  " 
  palatal 
  aspect 
  of 
  the 
  basi- 
  

   sphenoid 
  bone 
  " 
  read 
  " 
  upper 
  portion 
  of 
  occiput 
  " 
  ; 
  

   the 
  tigui'e 
  is 
  upside 
  down. 
  

   Fig. 
  8. 
  Specimen 
  J. 
  c. 
  9, 
  for 
  " 
  ethmo-sphenoid 
  mass" 
  read 
  

   left 
  lateral 
  view 
  of 
  posterior 
  moiety 
  of 
  skull 
  of 
  

   OrnitJiostoma. 
  

   Fig. 
  9. 
  Specimen 
  J. 
  c. 
  9, 
  for 
  " 
  posterior 
  aspect 
  of 
  same 
  

   specimen 
  " 
  read 
  " 
  anterior 
  aspect 
  " 
  ; 
  the 
  " 
  cups 
  " 
  

   are 
  the 
  posterior 
  boundaries 
  of 
  the 
  orbits. 
  

  

  Radius. 
  

  

  There 
  are 
  only 
  three 
  specimens 
  of 
  the 
  proximal 
  end 
  of 
  the 
  

   radius 
  and 
  four 
  of 
  the 
  distal, 
  and 
  these 
  are 
  so 
  close 
  in 
  

   characters 
  that 
  they 
  may 
  be 
  included 
  in 
  one 
  group. 
  

  

  Proximal 
  end. 
  

  

  1. 
  Dorsal 
  surface 
  convex, 
  ventral 
  concave. 
  

  

  2. 
  Preaxial 
  border 
  produced 
  outwards 
  and 
  forwards^ 
  the 
  

  

  postaxial 
  straight. 
  

  

  3. 
  Articular 
  surface, 
  [)reaxial 
  side, 
  convex 
  looking 
  out- 
  

  

  wards 
  ; 
  postaxial 
  concave 
  looking 
  proximal 
  ly. 
  

  

  4. 
  Moderately 
  compressed 
  dorso-vcntrally, 
  width 
  pre- 
  

  

  postaxially 
  apparently 
  maintained 
  down 
  the 
  shaft. 
  

  

  * 
  There 
  are 
  eleven 
  examples 
  on 
  this 
  tablet, 
  the 
  eleventh 
  perhaps 
  

   attached 
  since 
  ' 
  Oruithosauria' 
  was 
  written. 
  

  

  