﻿PLATE 
  X. 
  

  

  Fig. 
  Page 
  

  

  1. 
  Ptycholepis 
  cartus, 
  Egerton 
  ; 
  right 
  lateral 
  aspect. 
  — 
  Lower 
  

  

  Lias 
  ; 
  Lyme 
  Eegis. 
  [39493.] 
  321 
  

  

  2. 
  Ptycholepis 
  monilifer, 
  sp. 
  nov. 
  ; 
  right 
  mandibular 
  ramus, 
  

  

  outer 
  aspect.— 
  Ibid. 
  [39868.] 
  322 
  

  

  3. 
  Ditto; 
  three 
  dorsal 
  flank-scales 
  of 
  the 
  same 
  specimen, 
  

  

  twice 
  nat. 
  size. 
  [39868.] 
  322 
  

  

  4. 
  Ditto 
  ; 
  base 
  of 
  anterior 
  dorsal 
  fin-rays 
  of 
  the 
  same 
  speci- 
  

  

  men, 
  twice 
  nat. 
  size. 
  [39868.] 
  322 
  

  

  