﻿ETTGNATHTD^. 
  . 
  295 
  

  

  deepened 
  by 
  distortion; 
  noticed 
  by 
  Egerton, 
  loc. 
  cit. 
  1872, 
  

   under 
  the 
  name 
  of 
  Heterolepidotus 
  sauroides. 
  

  

  EnnisMllen 
  Coll. 
  

  

  P. 
  559. 
  Another 
  large 
  fish 
  with 
  fractured 
  tail 
  and 
  imperfect 
  

   ventrally, 
  the 
  type 
  specimen 
  of 
  Heterolepidotus 
  sauroides, 
  

   Egerton. 
  Egerton 
  Coll. 
  

  

  40350. 
  A 
  more 
  imperfect 
  large 
  specimen 
  displaying 
  the 
  maxilla 
  

   and 
  mandible 
  with 
  dentition, 
  and 
  also 
  the 
  paired 
  fins 
  with 
  

   fulcra. 
  Purchased, 
  1867. 
  

  

  P. 
  2019. 
  Imperfect 
  remains 
  of 
  head 
  and 
  trunk 
  of 
  another 
  large 
  fish. 
  

  

  Egerton 
  Coll. 
  

  

  P. 
  3634 
  h, 
  P. 
  3640. 
  More 
  imperfect 
  remains 
  of 
  head 
  and 
  trunk 
  of 
  

   two 
  large 
  specimens, 
  the 
  first 
  displaying 
  upper 
  and 
  lower 
  

   teeth. 
  EnnisMllen 
  Coll. 
  

  

  P. 
  2021. 
  Hinder 
  portion 
  of 
  head 
  and 
  remains 
  of 
  anterior 
  portion 
  of 
  

   abdominal 
  region, 
  displaying 
  the 
  pectoral 
  fins 
  and 
  well- 
  

   developed 
  hypocentral 
  ossifications 
  in 
  the 
  axial 
  skeleton. 
  

  

  Egerton 
  Coll. 
  

  

  P. 
  7522. 
  Much-fractured 
  specimen 
  displaying 
  hinder 
  half 
  of 
  head, 
  

   remains 
  of 
  dorsal 
  and 
  pectoral 
  fins, 
  squamation, 
  and 
  some 
  

   of 
  the 
  abdominal 
  hypocentra. 
  Harford 
  Coll. 
  

  

  P. 
  3578. 
  Fish 
  about 
  0*56 
  in 
  length, 
  with 
  partly 
  displaced 
  squama- 
  

   tion 
  and 
  crushed 
  head. 
  The 
  dorsal 
  and 
  caudal 
  fins 
  are 
  

   especially 
  well 
  shown. 
  Enniskillen 
  Coll. 
  

  

  40349. 
  An 
  equally 
  large 
  fish, 
  more 
  fragmentary, 
  crushed 
  from 
  

   above, 
  displaying 
  the 
  roof 
  of 
  the 
  skull 
  and 
  the 
  right 
  

   pectoral 
  fin. 
  Purchased, 
  1867. 
  

  

  P. 
  1543. 
  Crushed 
  head 
  and 
  part 
  of 
  abdominal 
  squamation 
  of 
  a 
  

   similar 
  fish. 
  Egerton 
  Coll. 
  

  

  P. 
  3629. 
  Head 
  of 
  similar 
  specimen, 
  vertically 
  crushed. 
  The 
  bran- 
  

   chiostegal 
  rays 
  and 
  the 
  left 
  maxilla 
  and 
  mandibular 
  

   ramus 
  are 
  well 
  shown, 
  with 
  the 
  characteristic 
  teeth. 
  

  

  EnnisMllen 
  Coll. 
  

  

  38104. 
  Equally 
  large 
  head 
  with 
  opercular 
  apparatus 
  in 
  side 
  view. 
  

   The 
  form 
  and 
  proportions 
  of 
  the 
  opercular 
  bones 
  are 
  well 
  

   shown 
  (PL 
  Y. 
  fig. 
  2), 
  and 
  part 
  of 
  the 
  dentition 
  is 
  preserved, 
  

   but 
  the 
  rostral 
  region 
  is 
  destroyed. 
  Purchased, 
  1864. 
  

  

  