﻿PLATE 
  XII. 
  

  

  Fig. 
  Page 
  

  

  1. 
  Pholidophorus 
  bechei, 
  Agassiz 
  : 
  squamation 
  and 
  opercular 
  

  

  bones 
  of 
  right 
  side. 
  — 
  Lower 
  Lias 
  ; 
  Lyme 
  Regis. 
  

  

  [39858.] 
  451 
  

  

  2. 
  Ditto 
  ; 
  small 
  individual, 
  left 
  lateral 
  aspect. 
  — 
  Ibid. 
  

  

  [P. 
  3589 
  b.] 
  452 
  

  

  3. 
  Pholidojphorus 
  pachysomus, 
  Egerton 
  ; 
  trunk, 
  left 
  lateral 
  

  

  aspect.— 
  Ibid. 
  [28281.] 
  453 
  

  

  4. 
  Pholidophorus 
  hartmanni, 
  Egerton 
  ; 
  trunk, 
  right 
  lateral 
  

  

  aspect. 
  — 
  Upper 
  Lias 
  : 
  Ohmden. 
  [P. 
  605.] 
  466 
  

  

  5. 
  Ditto 
  ; 
  opercular 
  apparatus 
  and 
  jaws, 
  left 
  lateral 
  aspect. 
  — 
  

  

  Upper 
  Lias 
  : 
  Boll. 
  br. 
  Branchiostegal 
  rays. 
  d. 
  Den- 
  

   tary. 
  i.op. 
  Interoperculum. 
  mx. 
  Maxilla, 
  op. 
  Oper- 
  

   culum, 
  q. 
  Quadrate. 
  s.mx. 
  Supramaxillaries. 
  s.op. 
  

   Suboperculum. 
  [19653 
  a.] 
  467 
  

  

  6. 
  Pholidophorus 
  crenulatus, 
  Egerton 
  ; 
  right 
  lateral 
  aspect. 
  — 
  

  

  Lower 
  Lias 
  ; 
  Lyme 
  Regis. 
  [P. 
  1046 
  a.] 
  463 
  

  

  7. 
  Pholidophorus 
  limbatus, 
  Agassiz 
  ; 
  left 
  lateral 
  aspect. 
  — 
  

  

  Ibid. 
  [P. 
  1047.] 
  465 
  

  

  