﻿282 
  ACTINOPTERYGII. 
  

  

  49804. 
  Worn 
  vomerine 
  dentition 
  0*011 
  in 
  maximum 
  width, 
  noticed 
  

   in 
  Geol. 
  Mag. 
  [3] 
  vol. 
  x. 
  p. 
  492 
  ; 
  Chalk, 
  South 
  eram, 
  

   Sussex. 
  Capron 
  Coll. 
  

  

  P. 
  322. 
  A. 
  comparatively 
  minute 
  vomerine 
  dentition, 
  figured 
  ibid. 
  

   pi. 
  xvii. 
  fig. 
  7 
  ; 
  Chalk, 
  Charing, 
  Kent. 
  Harris 
  Coll. 
  

  

  Phacodus 
  punctatus, 
  Dixon. 
  

  

  1850. 
  Phacodus 
  punctatus, 
  F. 
  Dixon, 
  Geol. 
  Sussex, 
  p. 
  371, 
  pi. 
  xxx. 
  

   fig. 
  16. 
  

  

  Type. 
  Worn 
  teeth 
  ; 
  British 
  Museum. 
  

  

  A 
  generic 
  and 
  specific 
  name 
  based 
  upon 
  the 
  indeterminable 
  fossil 
  

   mentioned 
  below. 
  

  

  Form. 
  4* 
  Log. 
  Senonian 
  : 
  Sussex. 
  

  

  25829. 
  The 
  type 
  specimen, 
  comprising 
  three 
  associated 
  principal 
  

   teeth 
  and 
  three 
  lateral 
  teeth, 
  all 
  worn 
  and 
  thus 
  exhibiting 
  

   a 
  punctate 
  surface 
  ; 
  Chalk, 
  Lewes. 
  Dixon 
  Coll. 
  

  

  The 
  following 
  examples 
  of 
  vomerine 
  bones 
  probably 
  belong 
  either 
  

   to 
  Ccelodus 
  or 
  to 
  Anomceodus 
  : 
  — 
  

  

  49803. 
  Imperfect 
  middle 
  portion 
  of 
  vomerine 
  dentition, 
  with 
  closely 
  

   arranged, 
  broad, 
  smooth 
  median 
  teeth 
  ; 
  Chalk, 
  Dorking, 
  

   Surrey. 
  Capron 
  Coll. 
  

  

  P. 
  3758. 
  Vomerine 
  dentition, 
  described 
  and 
  figured 
  in 
  Geol. 
  Mag. 
  

   [3] 
  vol. 
  x. 
  (1893), 
  p. 
  492, 
  pi. 
  xvii. 
  fig. 
  2 
  ; 
  Upper 
  Green- 
  

   sand, 
  Isle 
  of 
  Wight. 
  Enniskillen 
  Coll. 
  

  

  P. 
  7239. 
  Portion 
  of 
  vomer 
  much 
  resembling 
  specimen 
  figured 
  ibid. 
  

   pi. 
  xvii. 
  fig. 
  4 
  ; 
  Cambridge 
  Greensand, 
  Cambridge. 
  

  

  Jesson 
  Coll. 
  

  

  46364. 
  Portion 
  of 
  small 
  vomer, 
  with 
  three 
  series 
  of 
  teeth 
  ; 
  Cam- 
  

   bridge 
  Greensand. 
  Cunnington 
  Coll. 
  

  

  Several 
  generically 
  indeterminable 
  examples 
  of 
  the 
  vomerine 
  

   dentition 
  of 
  Cretaceous 
  Pycnodonts 
  are 
  also 
  known. 
  Specimens 
  

   from 
  the 
  Cambridge 
  Greensand, 
  in 
  the 
  Woodwardian 
  Museum, 
  

   Cambridge, 
  have 
  been 
  described 
  and 
  figured 
  by 
  the 
  present 
  writer 
  

   (Geol. 
  Mag. 
  [3] 
  vol. 
  x. 
  1893, 
  p. 
  492, 
  pi. 
  xvii. 
  figs. 
  3, 
  4) 
  ; 
  and 
  the 
  

   following 
  have 
  received 
  names 
  : 
  — 
  

  

  ' 
  Pycnodus 
  (Typodus) 
  cotteaui, 
  H. 
  E. 
  Sauvage, 
  Bull. 
  Soc. 
  Sci. 
  Nat. 
  

   Yonne, 
  vol. 
  xxxiii. 
  pt. 
  ii. 
  (1879), 
  p. 
  36, 
  pi. 
  ii. 
  fig. 
  1 
  (? 
  also 
  

   splenial, 
  pi. 
  i. 
  fig. 
  3). 
  — 
  Upper 
  Neocomian 
  : 
  Auxerre, 
  Yonne, 
  

   France. 
  

  

  