﻿354 
  ACTIXOPTERYGIJ. 
  

  

  remarked 
  that 
  there 
  is 
  distinct 
  evidence 
  of 
  vertebral 
  

   ossifications 
  supporting 
  the 
  robust 
  ribs 
  ; 
  secondly, 
  the 
  

   apparently 
  steep 
  frontal 
  profile 
  in 
  advance 
  of 
  the 
  orbit 
  

   is 
  due 
  partly 
  to 
  fracture 
  and 
  partly 
  to 
  crushing, 
  while 
  

   distortion 
  is 
  the 
  cause 
  of 
  the 
  great 
  elevation 
  immediately 
  

   behind 
  the 
  occiput 
  and 
  of 
  the 
  comparatively 
  forward 
  

   position 
  of 
  the 
  dorsal 
  fin 
  ; 
  thirdly, 
  there 
  are 
  conspicuous 
  

   branchiostegal 
  rays 
  behind 
  the 
  gular 
  plate. 
  Egerton 
  Coll. 
  

  

  P. 
  6912. 
  Imperfect 
  obliquely-crushed 
  head, 
  with 
  some 
  anterior 
  

   scales, 
  noticed 
  loc. 
  cit. 
  1894; 
  Oxford 
  Clay. 
  Peterborough. 
  

   Neither 
  ribs 
  nor 
  vertebrae 
  are 
  displayed, 
  though 
  certain 
  

   feeble 
  indications 
  may 
  denote 
  that 
  some 
  are 
  buried 
  within 
  

   the 
  specimen 
  ; 
  but 
  all 
  the 
  parts 
  exhibited 
  are 
  identical 
  in 
  

   form, 
  characters, 
  and 
  even 
  in 
  size 
  with 
  the 
  corresponding 
  

   elements 
  shown 
  in 
  the 
  type 
  specimen. 
  Leeds 
  Coll. 
  

  

  Eurycormus 
  grandis, 
  A. 
  S. 
  Woodward. 
  

  

  1839. 
  Eurycormus 
  grandis, 
  A. 
  S. 
  Woodward, 
  Geol. 
  Mag. 
  [3] 
  vol. 
  vi. 
  

  

  p. 
  449. 
  

   1890. 
  Eurycormus 
  grandis, 
  A. 
  S. 
  Woodward, 
  ibid. 
  vol. 
  vii. 
  p. 
  289, 
  pi. 
  x. 
  

  

  figs. 
  1-8. 
  

  

  Type. 
  Imperfect 
  head 
  ; 
  Woodwardian 
  Museum, 
  Cambridge. 
  

  

  A 
  large 
  species 
  known 
  only 
  by 
  the 
  head 
  and 
  vertebrae, 
  equalling 
  

   E. 
  egertoni 
  in 
  size. 
  All 
  the 
  external 
  bones 
  smooth 
  or 
  very 
  feebly 
  

   rugose, 
  those 
  of 
  the 
  cranial 
  roof 
  and 
  some 
  of 
  those 
  of 
  the 
  face 
  

   ornamented 
  with 
  fine, 
  sparse 
  tuberculations. 
  The 
  squamosal 
  bones 
  

   appear 
  to 
  be 
  relatively 
  narrower 
  than 
  in 
  E. 
  egertoni. 
  

  

  Form. 
  Sf 
  Loc. 
  Kimmeridgian 
  ; 
  Cambridgeshire. 
  

  

  Not 
  represented 
  in 
  the 
  Collection. 
  

  

  The 
  following 
  ring-vertebrae 
  are 
  not 
  certainly 
  determinable, 
  but 
  

   (as 
  suggested 
  in 
  the 
  Geol. 
  Mag. 
  [4] 
  vol. 
  i. 
  1894, 
  p. 
  216) 
  may 
  

   perhaps 
  pertain 
  to 
  Eurycormus 
  : 
  — 
  

  

  P. 
  6176. 
  Specimen 
  figured 
  in 
  Damon's 
  ' 
  Geol. 
  Weymouth,' 
  ed. 
  2 
  

   (1880), 
  Suppl. 
  pi. 
  xii. 
  fig. 
  9 
  ; 
  Kimmeridge 
  Clay, 
  Weymouth. 
  

  

  Damon 
  Coll. 
  

  

  41181,41231,45926. 
  Nine 
  specimens; 
  Kimmeridge 
  Clay, 
  Wey- 
  

   mouth. 
  Purchased, 
  1868, 
  1874. 
  

  

  41231 
  a. 
  Imperfect 
  hypocentrum 
  ; 
  Kimmeridge 
  Clay, 
  Weymouth. 
  

  

  Purchased, 
  1868. 
  

  

  