﻿PHOLIDOPHORID^. 
  

  

  461 
  

  

  of 
  the 
  trunk, 
  and 
  nearly 
  one-quarter 
  the 
  total 
  length 
  of 
  the 
  fish. 
  

   Head 
  and 
  opercular 
  bones 
  feebly 
  rugose. 
  Fulcra 
  remarkably 
  large 
  

   and 
  stout 
  on 
  all 
  the 
  fins. 
  Pelvic 
  fins 
  arising 
  much 
  in 
  advance 
  of 
  

   the 
  middle 
  point 
  of 
  the 
  trunk, 
  and 
  the 
  dorsal 
  opposed 
  to 
  the 
  space 
  

   between 
  these 
  and 
  the 
  anal. 
  Scales 
  large 
  and 
  smooth, 
  the 
  hinder 
  

   margin 
  not 
  serrated; 
  four 
  longitudinal 
  flank-series 
  deeper 
  than 
  

   broad, 
  and 
  that 
  of 
  the 
  lateral 
  line 
  unusually 
  deepened. 
  

   Form, 
  fy 
  Log. 
  Purbeckian 
  : 
  Dorsetshire. 
  

  

  P. 
  6171. 
  Type 
  specimen 
  figured 
  in 
  Damon's 
  Geol. 
  Weymouth, 
  ed. 
  3, 
  

   Suppl. 
  pi. 
  xix. 
  fig. 
  1, 
  and 
  scales 
  figured 
  in 
  Geol. 
  Mag. 
  [3] 
  

   vol. 
  iv. 
  pi. 
  x. 
  fig. 
  3 
  ; 
  Lower 
  Purbeck, 
  Isle 
  of 
  Portland. 
  

   The 
  dorsal 
  border 
  in 
  advance 
  of 
  the 
  dorsal 
  fin 
  is 
  apparently 
  

   destroyed 
  and 
  removed. 
  Damon 
  Coll. 
  

  

  40635. 
  A 
  much-crushed 
  specimen, 
  in 
  counterpart, 
  imperfectly 
  shown 
  

   in 
  Geol. 
  Mag. 
  [3] 
  vol. 
  iv. 
  pi. 
  x. 
  fig. 
  2 
  ; 
  Lower 
  Purbeck, 
  

   Isle 
  of 
  Portland. 
  The 
  large 
  fulcra 
  on 
  the 
  dorsal 
  fin 
  are 
  

   well 
  shown, 
  and 
  the 
  squamation 
  is 
  much 
  fractured. 
  

  

  Purchased, 
  1867. 
  

  

  P. 
  1074. 
  Fish 
  much 
  shortened 
  and 
  deepened 
  by 
  crushing, 
  as 
  indi- 
  

   cated 
  by 
  the 
  displaced 
  dorsal 
  fin 
  ; 
  L 
  T 
  pper 
  Purbeck, 
  Upway, 
  

   near 
  Weymouth. 
  This 
  is 
  the 
  type 
  specimen 
  of 
  the 
  so- 
  

   called 
  P. 
  brevis 
  of 
  W. 
  Davies 
  ; 
  and 
  acutely-pointed 
  small 
  

   teeth, 
  sometimes 
  uncinate, 
  are 
  conspicuous 
  in 
  the 
  region 
  

   of 
  the 
  mouth. 
  Egerton 
  Coll. 
  

  

  P. 
  3607. 
  Imperfect 
  head 
  and 
  abdominal 
  region, 
  noticed 
  loc. 
  cit. 
  1887, 
  

   p. 
  339 
  ; 
  Upway. 
  EnnisHllen 
  Coll. 
  

  

  P. 
  1073. 
  Fragmentary 
  fish 
  ; 
  Upway. 
  Egerton 
  Coll. 
  

  

  P. 
  6376. 
  Very 
  imperfect 
  trunk 
  ; 
  locality 
  uncertain. 
  Beckles 
  Coll. 
  

  

  Pholidophorus 
  higginsi, 
  Egerton. 
  

  

  1854-55. 
  Pholidophorus 
  higginsi, 
  Sir 
  P. 
  Egerton, 
  Ann. 
  Mag. 
  Nat. 
  Hist. 
  

  

  [2] 
  vol. 
  xiii. 
  p. 
  435, 
  and 
  Figs. 
  & 
  Descript. 
  Brit. 
  Organic 
  Remains, 
  

  

  dec. 
  viii. 
  (Mem. 
  Geol. 
  Surv.), 
  no. 
  7, 
  p. 
  1, 
  pi. 
  vii. 
  figs. 
  1-5. 
  

   1854-55. 
  Pholidophorus 
  nitidus, 
  Sir 
  P. 
  Egerton, 
  ibid. 
  p. 
  435, 
  and 
  ibid. 
  

  

  p. 
  3, 
  pi. 
  vii. 
  figs. 
  6-8. 
  [Imperfect 
  head 
  and 
  portion 
  of 
  trunk 
  ; 
  

  

  Bristol 
  Museum.] 
  

   1876. 
  Pholidophorus 
  mottiana, 
  W. 
  J. 
  Harrison, 
  Quart. 
  Journ. 
  Geol, 
  

  

  