﻿142 
  ACTINOPTERTGII. 
  

  

  P. 
  4431. 
  Much 
  abraded 
  and 
  distorted 
  head 
  and 
  trunk, 
  showing 
  

   marginal 
  teeth, 
  probably 
  of 
  this 
  species. 
  

  

  Enniskillen 
  Coll. 
  

  

  40651. 
  Imperfect 
  head 
  displaying 
  dentition, 
  with 
  left 
  pectoral 
  fin 
  

   and 
  some 
  anterior 
  scales. 
  Purchased, 
  1867. 
  

  

  P. 
  1557. 
  Imperfect 
  head 
  with 
  opercular 
  apparatus. 
  Egerton 
  Coll. 
  

  

  P. 
  1561. 
  Portion 
  of 
  head 
  and 
  dentition. 
  Egerton 
  Coll. 
  

  

  P. 
  3538 
  a. 
  Jaws, 
  cheek-plates, 
  and 
  bones 
  round 
  the 
  narial 
  opening 
  

   in 
  natural 
  position, 
  shown 
  of 
  the 
  natural 
  size 
  in 
  fig. 
  27. 
  

  

  Enniskillen 
  Coll. 
  

  

  Dap 
  e 
  dins 
  milloti 
  9 
  Sauvage. 
  

   1891. 
  Dapedius 
  milloti, 
  H. 
  E. 
  Sauvage, 
  Bull. 
  Soc. 
  Sci. 
  Yonne, 
  vol. 
  xlv. 
  

   pt. 
  ii. 
  p. 
  36, 
  pi. 
  iii. 
  

  

  Type. 
  Nearly 
  complete 
  fish, 
  apparently 
  abraded. 
  

  

  A 
  species 
  attaining 
  a 
  length 
  of 
  about 
  03. 
  Maximum 
  depth 
  of 
  

   trunk 
  nearly 
  equal 
  to 
  its 
  length 
  (exclusive 
  of 
  the 
  caudal 
  fin) 
  and 
  

   four 
  times 
  as 
  great 
  as 
  the 
  depth 
  of 
  the 
  caudal 
  pedicle. 
  Head 
  with 
  

   opercular 
  apparatus 
  occupying 
  one-third 
  of 
  the 
  length 
  to 
  the 
  base 
  

   of 
  the 
  caudal 
  fin 
  ; 
  external 
  bones 
  apparently 
  smooth. 
  Scales 
  all 
  

   smooth. 
  {Sauvage.) 
  

  

  Form. 
  Sf 
  Loc. 
  Upper 
  Lias 
  : 
  Vassy, 
  Yonne, 
  France. 
  

  

  Not 
  represented 
  in 
  the 
  Collection. 
  

  

  Dapedius 
  punctatus, 
  Agassiz. 
  

  

  1835. 
  Dapedius 
  punctatus, 
  L. 
  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  i. 
  p. 
  192, 
  

  

  pi. 
  xxv. 
  a., 
  pi. 
  xxv. 
  figs. 
  6 
  d, 
  7-9. 
  

   1833-39. 
  Tetrdgonolepis 
  leachii, 
  L. 
  Agassiz, 
  ibid. 
  pp. 
  7, 
  203, 
  pi. 
  xxiii. 
  d. 
  

  

  [Head 
  ; 
  British 
  Museum.] 
  

  

  1848. 
  Tetragonolepis 
  striatus, 
  H. 
  G. 
  Bronn 
  (ex 
  Agassiz, 
  MS.), 
  Index 
  

   Palseont. 
  p. 
  1261. 
  

  

  1849. 
  Pholidotus 
  leachii, 
  W. 
  C. 
  Williamson, 
  Phil. 
  Trans, 
  p. 
  444. 
  

  

  1852. 
  Dapedius 
  punctatus, 
  F. 
  A. 
  Quenstedt, 
  Handb. 
  Petrefakt. 
  p. 
  202, 
  

   pi. 
  xvii. 
  fig. 
  2 
  (in 
  part). 
  

  

  1853. 
  Dapedius 
  punctatus, 
  Sir 
  P. 
  Egerton, 
  Quart. 
  Journ. 
  Geol. 
  Soc. 
  

   vol. 
  ix. 
  p. 
  275, 
  pi. 
  xi. 
  fig. 
  2. 
  

  

  1854. 
  JEchmodus 
  leachi, 
  J. 
  Morris, 
  Catal. 
  Brit. 
  Foss. 
  p. 
  316. 
  

   1854. 
  Dapedius 
  punctatus, 
  J. 
  Morris, 
  ibid. 
  p. 
  324. 
  

  

  (?) 
  1858. 
  Dapedius 
  leachii, 
  F. 
  A. 
  Quenstedt, 
  Der 
  Jura, 
  p. 
  227, 
  pi. 
  xxix. 
  

  

  figs. 
  3, 
  4. 
  pi. 
  xxxii. 
  fig. 
  7. 
  

   1890. 
  Dapedius 
  leachi 
  and 
  D. 
  punctatus, 
  Woodward 
  & 
  Sherborn, 
  Catal. 
  

  

  Brit. 
  Foss. 
  Vertebrata, 
  pp. 
  58, 
  59. 
  

  

  Type. 
  Nearly 
  complete 
  fish 
  ; 
  Oxford 
  Museum. 
  

  

  