﻿

  460 
  

  

  ACTINOPTEETGII. 
  

  

  

  P. 
  1065 
  a, 
  b, 
  c. 
  Two 
  imperfect 
  portions 
  of 
  head 
  and 
  trunk, 
  and 
  a 
  

   much 
  fractured 
  specimen 
  023 
  in 
  length 
  ; 
  Ohmden. 
  

  

  Egerton 
  Coll. 
  

  

  19653. 
  A 
  small 
  fish 
  wanting 
  the 
  cranium 
  and 
  the 
  greater 
  part 
  of 
  

   the 
  fins, 
  but 
  displaying 
  the 
  squamation 
  ; 
  Boll, 
  Wurtem- 
  

   berg. 
  Purchased, 
  1845. 
  

  

  P. 
  1058. 
  Imperfect 
  hinder 
  half 
  of 
  fish 
  ; 
  Whitby, 
  Yorkshire. 
  Fulcra 
  

   are 
  distinctly 
  observed 
  on 
  the 
  pelvic 
  fin. 
  Egerton 
  Coll. 
  

  

  P. 
  4412. 
  Much 
  abraded 
  and 
  fractured 
  specimen, 
  about 
  0*235 
  in 
  

   length, 
  showing 
  the 
  general 
  proportions 
  of 
  the 
  fish 
  ; 
  

   Whitby. 
  Enniskillen 
  Coll. 
  

  

  P. 
  1058 
  a-C. 
  Two 
  portions 
  of 
  the 
  head 
  and 
  abdominal 
  region, 
  and 
  

   an 
  imperfect 
  fish 
  showing 
  the 
  ventral 
  aspect; 
  Whitby. 
  

   Portions 
  of 
  the 
  ornament 
  of 
  the 
  head 
  and 
  opercular 
  bones 
  

   are 
  well 
  exhibited. 
  Egerton 
  Coll. 
  

  

  P. 
  4406. 
  Posterior 
  abdominal 
  and 
  caudal 
  region 
  ; 
  Whitby. 
  

  

  Enniskillen 
  Coll. 
  

  

  P. 
  3704. 
  Head 
  and 
  anterior 
  flank-scales, 
  probably 
  of 
  this 
  species 
  ; 
  

   Upper 
  Lias, 
  Ilminster. 
  The 
  rugae 
  of 
  the 
  dentary 
  and 
  

   maxilla, 
  so 
  far 
  as 
  shown, 
  are 
  less 
  regularly 
  longitudinal 
  

   than 
  usual 
  ; 
  while 
  those 
  of 
  the 
  anterior 
  flank-scales 
  are 
  

   arranged 
  in 
  slightly 
  radiating 
  striations 
  towards 
  the 
  

   hinder 
  border. 
  The 
  roof 
  of 
  the 
  skull 
  exhibits 
  the 
  parietals 
  

   and 
  frontals, 
  and 
  the 
  wavy 
  median 
  suture 
  ; 
  while 
  the 
  

   branching 
  sensory 
  canal 
  is 
  distinct 
  on 
  the 
  lower 
  posterior 
  

   suborbital 
  plate. 
  Enniskillen 
  Coll. 
  

  

  32452. 
  Caudal 
  pedicle 
  and 
  fin, 
  probably 
  of 
  this 
  species 
  ; 
  Upper 
  

   Lias, 
  Caen, 
  Normandy. 
  Tesson 
  Coll. 
  

  

  Pholidophorus 
  purbeckensis, 
  Davies. 
  

  

  1887. 
  Pholidophorus 
  purbeckensis, 
  W. 
  Davies, 
  Geol. 
  Mag. 
  [3] 
  vol. 
  iv. 
  

   p. 
  337, 
  pi. 
  x. 
  figs. 
  2-4. 
  

  

  1887. 
  Pholidophorus 
  brevis, 
  W. 
  Davies, 
  ibid. 
  p. 
  338, 
  pi. 
  x. 
  fig. 
  1. 
  [Im- 
  

   perfect 
  fish 
  j 
  British 
  Museum.] 
  

  

  1888. 
  Pholidophorus 
  purbeckensis, 
  W. 
  Davies, 
  in 
  R. 
  Damon, 
  Geol. 
  

   Weymouth, 
  ed. 
  3, 
  Suppl. 
  pi. 
  xix. 
  fig. 
  1. 
  

  

  Type. 
  Imperfect 
  fish 
  ; 
  British 
  Museum. 
  

  

  A 
  small 
  species, 
  attaining 
  a 
  length 
  of 
  about 
  0*09. 
  Length 
  of 
  

   head 
  with 
  opercular 
  apparatus 
  about 
  equal 
  to 
  the 
  maximum 
  depth 
  

  

  