﻿474 
  ArilNOPIERrGlI. 
  

  

  37101. 
  Imperfect 
  fish 
  about 
  0-15 
  in 
  length, 
  displaying 
  scale- 
  

   ornament 
  ; 
  Solenhofen. 
  Haberlein 
  Coll. 
  

  

  P. 
  3601. 
  Smaller 
  imperfect 
  fish, 
  probably 
  of 
  this 
  species 
  ; 
  Kelheim. 
  

  

  Enniskillen 
  Coll. 
  

  

  Pholidophorus 
  (?) 
  gregarius, 
  A. 
  S. 
  Woodward. 
  

  

  1890. 
  Pholidophorus 
  gregarius, 
  A. 
  S. 
  Woodward, 
  Mem. 
  Geol. 
  Surv. 
  

   N. 
  S. 
  Wales, 
  Palseont. 
  no. 
  4, 
  p. 
  44, 
  pi. 
  \i. 
  figs. 
  6-10. 
  

  

  Type. 
  Imperfect 
  fish 
  ; 
  Museum 
  of 
  Geol. 
  Surv. 
  N. 
  S. 
  Wales, 
  Sydney. 
  

  

  A 
  small 
  species 
  attaining 
  a 
  length 
  of 
  about 
  0*05. 
  Length 
  of 
  head 
  

   with 
  opercular 
  apparatus 
  about 
  equal 
  to 
  the 
  maximum 
  depth 
  of 
  the 
  

   trunk, 
  and 
  occupying 
  one-fifth 
  of 
  the 
  total 
  length 
  of 
  the 
  fish. 
  

   External 
  bones 
  feebly 
  rugose. 
  Pelvic 
  fins 
  arising 
  slightly 
  nearer 
  

   to 
  the 
  anal 
  than 
  to 
  the 
  pectorals 
  ; 
  dorsal 
  fin 
  with 
  12 
  rays, 
  arising 
  

   considerably 
  behind 
  the 
  pelvic 
  pair 
  ; 
  anal 
  fin 
  smaller, 
  with 
  8 
  rays, 
  

   its 
  origin 
  opposite 
  the 
  middle 
  of 
  the 
  dorsal 
  ; 
  caudal 
  fin 
  with 
  only 
  14 
  

   rays. 
  Scales 
  large 
  and 
  smooth, 
  not 
  serrated 
  ; 
  four 
  longitudinal 
  

   flank-series 
  much 
  deeper 
  than 
  broad 
  ; 
  two 
  or 
  three 
  enlarged 
  oval 
  

   ridge-scales 
  at 
  the 
  origin 
  of 
  the 
  median 
  fins 
  ; 
  lateral 
  line 
  forming 
  

   a 
  conspicuous 
  ridge. 
  

  

  Form. 
  <Sf 
  Loc. 
  Lower 
  Hawkesbury-Wianamatta 
  Series 
  (Upper 
  

   Trias) 
  : 
  Gosford, 
  New 
  South 
  Wales. 
  

  

  P. 
  6279. 
  Imperfect 
  fish 
  ; 
  Gosford. 
  By 
  exchange, 
  1890. 
  

  

  Pholidophorus 
  (?) 
  dubius, 
  A. 
  S. 
  Woodward. 
  

  

  1890. 
  Peltopleurus 
  (?) 
  dubius, 
  A. 
  S. 
  Woodward, 
  Mem. 
  Geol. 
  Surv. 
  

   N. 
  S. 
  Wales, 
  Palseont. 
  no. 
  4, 
  p. 
  47, 
  pi. 
  vi. 
  figs. 
  4, 
  5. 
  

  

  Type. 
  Imperfect 
  fish 
  ; 
  Museum 
  of 
  Geol. 
  Surv. 
  N. 
  S. 
  Wales, 
  Sydney. 
  

  

  A 
  very 
  stout 
  small 
  species, 
  about 
  0*06 
  in 
  length. 
  Length 
  of 
  head 
  

   with 
  opercular 
  apparatus 
  contained 
  about 
  four-and-a-half 
  times, 
  and 
  

   maximum 
  depth 
  of 
  trunk 
  three 
  times 
  in 
  the 
  total 
  length 
  of 
  the 
  

   fish. 
  Pelvic 
  fins 
  somewhat 
  nearer 
  to 
  the 
  anal 
  than 
  to 
  the 
  pectorals 
  ; 
  

   dorsal 
  fin 
  with 
  about 
  11 
  rays, 
  arising 
  just 
  in 
  advance 
  of 
  the 
  anal, 
  

   which 
  is 
  slightly 
  smaller 
  ; 
  caudal 
  fin 
  with 
  at 
  least 
  16 
  rays. 
  Scales 
  

   large 
  and 
  smooth, 
  possibly 
  with 
  fine 
  serrations. 
  

  

  Form. 
  Sf 
  Loc. 
  Lower 
  Hawkesbury-Wianamatta 
  Series 
  (Upper 
  

   Trias) 
  : 
  Gosford, 
  New 
  South 
  Wales. 
  

  

  P. 
  6278. 
  Crushed 
  specimen 
  ; 
  Gosford. 
  By 
  exchange, 
  1890. 
  

  

  P. 
  6274. 
  Another 
  imperfect 
  specimen 
  associated 
  with 
  Pristisomus 
  

   latus 
  ; 
  Gosford. 
  By 
  exchange, 
  1890. 
  

  

  