﻿156 
  ACT1N0PTEETGII. 
  

  

  distorted, 
  and 
  it 
  is 
  difficult 
  to 
  determine 
  its 
  original 
  shape 
  and 
  pro- 
  

   portions. 
  The 
  accompanying 
  woodcut 
  (fig. 
  28) 
  is 
  probably 
  almost 
  

   correct. 
  

  

  Pig. 
  28. 
  

  

  Cleithrolepis 
  grunulatus, 
  restored. 
  

  

  A 
  unique 
  specimen 
  with 
  remarkably 
  deepened 
  trunk, 
  found 
  in 
  

   association 
  with 
  this 
  species, 
  is 
  provisionally 
  named 
  Cleithrolepis 
  

   alius 
  (A. 
  S. 
  Woodward, 
  loc. 
  cit. 
  p. 
  42, 
  pi. 
  viii. 
  fig. 
  4). 
  

  

  Form. 
  Sf 
  Loc. 
  Upper 
  Trias 
  (Lower 
  Hawkesbury-Wianamatta 
  

  

  Series) 
  : 
  New 
  South 
  Wales. 
  

  

  P. 
  6280. 
  Pour 
  imperfect 
  specimens 
  ; 
  Gosford. 
  By 
  exchange, 
  1890. 
  

  

  P. 
  6281. 
  Slab 
  exhibiting 
  imperfect 
  specimens 
  in 
  association 
  with 
  

   Pristisomus, 
  &c. 
  ; 
  Gosford. 
  By 
  exchange, 
  1890. 
  

  

  Cleithrolepis 
  extoni, 
  A. 
  S. 
  Woodward. 
  

  

  1888. 
  Cleithrolepis 
  extoni, 
  A. 
  S. 
  Woodward, 
  Quart. 
  Journ. 
  Geol. 
  Soc. 
  

   vol. 
  xliv. 
  p. 
  141, 
  pi. 
  vi. 
  figs. 
  6, 
  7. 
  

  

  Type. 
  Imperfect 
  fish 
  ; 
  British 
  Museum. 
  

  

  A 
  species 
  apparently 
  resembling 
  the 
  type 
  in 
  form 
  and 
  proportions, 
  

   but 
  differing 
  in 
  the 
  relative 
  size 
  of 
  the 
  opercular 
  bones. 
  Tubercu- 
  

   lations 
  on 
  head 
  and 
  opercular 
  bones 
  fine 
  and 
  sparse 
  ; 
  operculum 
  two- 
  

   thirds 
  as 
  deep 
  as 
  the 
  suboperculum, 
  which 
  is 
  nearly 
  as 
  broad 
  as 
  deep. 
  

  

  Form. 
  Sf 
  Loc. 
  Upper 
  Karoo 
  Formation 
  (Stormberg 
  Beds) 
  : 
  Orange 
  

   Free 
  State. 
  

  

  P. 
  5455. 
  The 
  type 
  specimen, 
  described 
  and 
  figured 
  loc. 
  cit. 
  p. 
  141, 
  

   pi. 
  vi. 
  fig. 
  6 
  ; 
  Rouxville. 
  

  

  Presented 
  by 
  Hugh 
  Exton, 
  Esq., 
  M.D., 
  1888. 
  

  

  