﻿pachycormid^:. 
  405 
  

  

  49827. 
  Fragment 
  apparently 
  of 
  dentary, 
  associated 
  with 
  an 
  inner 
  

   bone 
  displaying 
  a 
  finely 
  granular 
  dentition 
  ; 
  Chalk, 
  

   Amberley. 
  C 
  apron 
  Coll. 
  

  

  39438. 
  Anterior 
  extremity 
  of 
  mandible, 
  figured 
  by 
  Dixon, 
  op. 
  cit. 
  

   pi. 
  xxxi. 
  fig. 
  12 
  ; 
  Chalk, 
  Kent. 
  Boiuerbank 
  Coll. 
  

  

  49089. 
  Two 
  fragments 
  of 
  anterior 
  extremity 
  of 
  dentary; 
  Lower 
  

   Chalk, 
  Burham. 
  Mrs. 
  Smith's 
  Coll. 
  

  

  49742. 
  Fragment 
  of 
  dentigerous 
  bone 
  ; 
  Chalk, 
  Amberley. 
  

  

  Capron 
  Coll. 
  

  

  P. 
  5633-34. 
  Fragments 
  of 
  jaws; 
  Lower 
  Chalk, 
  Burham. 
  

  

  Harford 
  Coll. 
  

  

  4088, 
  4089, 
  4096, 
  4135. 
  Five 
  teeth, 
  the 
  type 
  specimens 
  described 
  

   and 
  figured 
  by 
  Agassiz, 
  torn. 
  cit. 
  p. 
  102, 
  pi. 
  xxv. 
  c. 
  figs. 
  21, 
  

   24, 
  27-29 
  ; 
  Chalk, 
  Lewes. 
  Mantell 
  Coll. 
  

  

  25751-52, 
  25754, 
  25834. 
  Four 
  teeth 
  figured 
  by 
  Dixon, 
  op. 
  cit. 
  

   pi. 
  xxx. 
  figs. 
  21 
  a-d 
  ; 
  Chalk, 
  Sussex. 
  Dixon 
  Coll. 
  

  

  25750, 
  25808. 
  Two 
  teeth 
  ; 
  Chalk, 
  Sussex. 
  Dixon 
  Coll. 
  

  

  49770. 
  Four 
  teeth 
  ; 
  Chalk, 
  Amberley. 
  Capron 
  Coll. 
  

  

  P. 
  4543. 
  Large 
  tooth 
  in 
  bone-fragment. 
  Enniskillen 
  Coll. 
  

  

  27033. 
  Tooth 
  ; 
  Lower 
  Chalk, 
  Guildford. 
  Purchased, 
  1851. 
  

  

  38584, 
  47925. 
  Two 
  large 
  teeth 
  ; 
  Lower 
  Chalk, 
  Burham. 
  

  

  Purchased, 
  1864, 
  and 
  'presented 
  by 
  

  

  Hon. 
  Robert 
  Mar 
  sham, 
  187 
  

  

  P. 
  6530. 
  Tooth 
  in 
  bone-fragment 
  ; 
  Lower 
  Chalk, 
  Blue 
  Bell 
  Hill, 
  

   Burham. 
  Presented 
  by 
  S. 
  J. 
  HaivJcins, 
  Esq., 
  1891. 
  

  

  33255. 
  Two 
  large 
  teeth 
  ; 
  Chalk, 
  Kent. 
  Taylor 
  Coll. 
  

  

  39055. 
  Fine 
  tooth 
  ; 
  English 
  Chalk. 
  Boiuerbank 
  Coll. 
  

  

  Protosphyrsena 
  compressirostris, 
  A. 
  S. 
  Woodward. 
  

  

  1895. 
  Protospliyrcena 
  compressirostris, 
  A. 
  S. 
  "Woodward, 
  Geol. 
  Mag. 
  

   [4] 
  vol. 
  ii. 
  p. 
  213, 
  woodcut 
  fig. 
  2. 
  

  

  Type. 
  Rostrum 
  ; 
  British 
  Museum. 
  

  

  Bostrum 
  much 
  elongated 
  and 
  attaining 
  a 
  length 
  of 
  at 
  least 
  0*19 
  

   with 
  a 
  transverse 
  diameter 
  of 
  0"02 
  at 
  its 
  base 
  where 
  the 
  vomerine 
  

   teeth 
  are 
  implanted 
  ; 
  laterally 
  compressed 
  in 
  its 
  proximal 
  half, 
  the 
  

   transverse 
  section 
  here 
  being 
  an 
  oval 
  with 
  vertical 
  long 
  axis 
  ; 
  

  

  