﻿386 
  ACTINOPTEPvYGII. 
  

  

  P. 
  464, 
  P. 
  3698. 
  Type 
  specimen 
  in 
  split 
  nodule 
  ; 
  Whitby. 
  The 
  

   appearance 
  of 
  each 
  support 
  of 
  the 
  anal 
  fin 
  being 
  in 
  con- 
  

   nection 
  with 
  more 
  than 
  one 
  ray, 
  noted 
  by 
  Agassiz, 
  is 
  

   deceptive, 
  as 
  proved 
  by 
  other 
  specimens. 
  

  

  Egerton 
  6f 
  Enniskillen 
  Colls. 
  

  

  P. 
  3710. 
  Finer 
  specimen 
  of 
  the 
  same 
  size 
  in 
  shale, 
  with 
  the 
  left 
  

   pectoral 
  fin 
  and 
  well-preserved 
  caudal 
  fin 
  ; 
  Whitby. 
  The 
  

   head 
  and 
  anterior 
  abdominal 
  region 
  are 
  partly 
  distorted. 
  

  

  Enniskillen 
  Coll. 
  

  

  P. 
  885, 
  P. 
  3710 
  a. 
  Another 
  specimen 
  of 
  the 
  same 
  size 
  in 
  shale, 
  in 
  

   counterpart, 
  more 
  imperfect 
  but 
  with 
  the 
  pectoral 
  fin 
  ; 
  

   W'hitby. 
  Egerton 
  Sf 
  Enniskillen 
  Colls. 
  

  

  P. 
  2037. 
  Somewhat 
  larger 
  imperfect 
  and 
  distorted 
  fish 
  ; 
  Whitby. 
  

  

  Egerton 
  Coll. 
  

  

  P. 
  2037 
  a, 
  P. 
  3712. 
  Remains 
  of 
  a 
  fish 
  about 
  0-32 
  in 
  length 
  in 
  

   nodule, 
  wanting 
  all 
  the 
  fins 
  except 
  the 
  pectoral 
  ; 
  Whitby. 
  

  

  Egerton 
  Sf 
  Enniskillen 
  Colls. 
  

  

  P. 
  2037 
  b, 
  P. 
  3710 
  b. 
  Head 
  and 
  greater 
  portion 
  of 
  trunk, 
  ventral 
  

   aspect, 
  in 
  counterpart 
  ; 
  Whitby. 
  Minute 
  fulcra 
  are 
  

   distinctly 
  shown 
  on 
  the 
  anterior 
  border 
  of 
  the 
  right 
  

   pectoral 
  fin. 
  Egerton 
  Sf 
  Enniskillen 
  Colls. 
  

  

  P. 
  3700. 
  Imperfect 
  head 
  and 
  greater 
  portion 
  of 
  trunk 
  ; 
  Whitby. 
  

  

  Enniskillen 
  Coll. 
  

  

  P. 
  3711. 
  A 
  distorted 
  fish 
  elongated 
  by 
  crushing, 
  labelled 
  Pachy- 
  

   cormus 
  gracilis 
  by 
  Agassiz 
  ; 
  Whitby. 
  Enniskillen 
  Coll. 
  

  

  P. 
  3699. 
  Very 
  imperfect 
  and 
  partially 
  manufactured 
  large 
  specimen, 
  

   with 
  scattered 
  scales, 
  and 
  trunk 
  much 
  deepened 
  by 
  crushing, 
  

   labelled 
  Pachycormus 
  latus 
  by 
  Agassiz 
  and 
  intended 
  to 
  

   be 
  the 
  type 
  of 
  that 
  species 
  ; 
  Whitby. 
  The 
  counterpart 
  

   of 
  the 
  pectoral 
  fin 
  is 
  fixed 
  above 
  the 
  head. 
  

  

  Enniskillen 
  Coll. 
  

  

  P. 
  3716. 
  Hinder 
  portion 
  of 
  head 
  and 
  greater 
  portion 
  of 
  imperfectly- 
  

   preserved 
  trunk 
  ; 
  Dumbleton, 
  Gloucestershire. 
  

  

  Enniskillen 
  Coll. 
  

  

  19652. 
  Imperfect 
  specimen 
  about 
  027 
  in 
  length, 
  wanting 
  the 
  

   greater 
  part 
  of 
  the 
  head 
  and 
  caudal 
  fin 
  ; 
  Boll, 
  Wiirtem- 
  

  

  