﻿336 
  ACTIBTOPTERYGII. 
  

  

  in 
  C. 
  furcatus 
  the 
  first 
  measurement 
  is 
  only 
  one-fifth 
  of 
  the 
  second. 
  

   The 
  specimens 
  are 
  important 
  as 
  exhibiting 
  many 
  features 
  in 
  the 
  

   osteology 
  of 
  the 
  genus. 
  

  

  P. 
  6902. 
  Vertically 
  depressed 
  head, 
  exhibiting 
  the 
  nasal 
  bones, 
  

   tesserse 
  of 
  supraorbitals, 
  and 
  more 
  than 
  20 
  branchiostegal 
  

   rays 
  ; 
  Oxford 
  Clay, 
  Peterborough. 
  Leeds 
  Coll. 
  

  

  P. 
  6903. 
  Eemains 
  of 
  head 
  and 
  anterior 
  squamation 
  in 
  nodule 
  ; 
  

   Oxford 
  Clay, 
  Peterborough. 
  Leeds 
  Coll. 
  

  

  P. 
  6904. 
  Vertically 
  depressed 
  head 
  exhibiting 
  the 
  characteristic 
  

   supraorbitals 
  ; 
  Oxford 
  Clay, 
  Peterborough. 
  Leeds 
  Coll. 
  

  

  P. 
  6905-7. 
  Three 
  fragmentary 
  heads, 
  the 
  first 
  displaying 
  the 
  pre- 
  

   operculum, 
  the 
  second 
  the 
  alisphenoid, 
  prootic, 
  and 
  para- 
  

   sphenoid 
  bones, 
  with 
  remains 
  of 
  the 
  branchial 
  arches 
  ; 
  

   Oxford 
  Clay, 
  Peterborough. 
  Leeds 
  Coll. 
  

  

  P. 
  6908, 
  a-C. 
  Four 
  examples 
  of 
  the 
  hinder 
  portion 
  of 
  the 
  skull 
  and 
  

   adjoining 
  parts 
  ; 
  Oxford 
  Clay, 
  Peterborough. 
  Leeds 
  Coll. 
  

  

  P. 
  6910. 
  Associated 
  maxillae 
  and 
  palatine 
  ; 
  Oxford 
  Clay, 
  Peter- 
  

   borough. 
  Leeds 
  Coll. 
  

  

  P. 
  6909. 
  Miscellaneous 
  fragments 
  of 
  trunk 
  and 
  fins 
  ; 
  Oxford 
  Clay, 
  

   Peterborough. 
  Leeds 
  Coll. 
  

  

  46348. 
  Two 
  fragments 
  of 
  head 
  ; 
  Christian 
  Malford, 
  Wiltshire. 
  

  

  Cunnington 
  Coll. 
  

  

  29049. 
  Fine 
  large 
  depressed 
  head, 
  with 
  part 
  of 
  the 
  abdominal 
  

   region 
  and 
  the 
  bases 
  of 
  the 
  pectoral 
  fins 
  ; 
  Oxford 
  Clay, 
  

   Christian 
  Malford. 
  Purchased, 
  1854. 
  

  

  39156-57. 
  Imperfect 
  jaws 
  ; 
  Christian 
  Malford. 
  Bowerbank 
  Coll. 
  

  

  36174. 
  Maxilla; 
  Christian 
  Malford. 
  Purchased, 
  1861. 
  

  

  P. 
  967. 
  Imperfect 
  maxilla, 
  and 
  maxilla 
  associated 
  with 
  the 
  man- 
  

   dible 
  ; 
  Christian 
  Malford. 
  Egerton 
  Col], 
  

  

  24676. 
  Imperfect 
  remains 
  of 
  head 
  and 
  trunk 
  ; 
  Christian 
  Malfort. 
  

  

  Purchased, 
  1850. 
  

  

  Caturus 
  pachyurus, 
  

  

  1832-33. 
  TJraus 
  pachyurus, 
  L. 
  Agassiz, 
  Neues 
  Jahrb. 
  p. 
  142, 
  and 
  

   Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  i. 
  p. 
  12. 
  

  

  1839. 
  Caturus 
  pachyurus, 
  L. 
  Agassiz, 
  Neues 
  Jahrb. 
  p. 
  118. 
  

  

  1844. 
  Caturus 
  pachyurus, 
  L. 
  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii.pt. 
  ii. 
  p. 
  118. 
  

  

  1844. 
  Caturus 
  elongatus, 
  L. 
  Agassiz, 
  ibid. 
  pp. 
  118. 
  293. 
  [Nearly 
  com- 
  

   plete 
  fish 
  ; 
  Palseontological 
  Museum, 
  Munich.] 
  

  

  