﻿116 
  

  

  ACTINOPIEKYGII. 
  

  

  single 
  series 
  in 
  the 
  dentary 
  bone 
  are 
  exhibited 
  in 
  the 
  

  

  mandibular 
  ramus, 
  and 
  some 
  of 
  the 
  outer 
  splenial 
  teeth 
  

  

  are 
  broken 
  away. 
  Mantell 
  Coll. 
  

  

  i 
  

   P. 
  3516. 
  Fragmentary 
  trunk 
  with 
  imperfect 
  upper 
  and 
  lower 
  

  

  dentition, 
  much 
  worn, 
  and 
  also 
  the 
  opercular 
  apparatus 
  ; 
  

  

  Tilgate 
  Forest. 
  Tbe 
  pterygo-palatine 
  teeth 
  are 
  in 
  three 
  

  

  series, 
  and 
  a 
  few 
  of 
  the 
  comparatively 
  small 
  dentary 
  teeth 
  

  

  are 
  preserved. 
  Enniskillen 
  Coll, 
  

  

  Kg. 
  24. 
  

  

  vO 
  

  

  rP°°r 
  

  

  op5& 
  

  

  Q 
  

  

  o9vsQ 
  ( 
  

  

  O/ 
  

  

  o 
  

  

  Lepidotus 
  mantelli 
  ; 
  diagram 
  of 
  arrangement 
  of 
  teeth, 
  in 
  upper 
  (A) 
  and 
  lower 
  (B) 
  

   jaws, 
  chiefly 
  based 
  upon 
  specimens 
  Nos. 
  P. 
  3516 
  and 
  P. 
  6363. 
  

   d., 
  dentary 
  ; 
  pt, 
  pterygo-palatine 
  ; 
  spl., 
  splenial 
  ; 
  v., 
  vomer. 
  

  

  P. 
  3518. 
  Rostral 
  region 
  of 
  skull 
  displaying 
  vomerine 
  and 
  pterygo- 
  

   palatine 
  dentition 
  ; 
  Hastings. 
  Enniskillen 
  Coll. 
  

  

  P. 
  6363. 
  Five 
  portions 
  of 
  dentition, 
  comprising 
  a 
  vomer 
  with 
  

   remarkably 
  acuminate 
  teeth, 
  two 
  left 
  mandibular 
  rami* 
  

  

  