﻿EUGNATHIDJE. 
  319 
  

  

  edge 
  of 
  the 
  maxilla 
  ; 
  and 
  there 
  are 
  impressions 
  of 
  a 
  

   ceratohyal 
  and 
  the 
  large 
  gular 
  plate 
  between 
  the 
  rami 
  of 
  

   the 
  mandible. 
  Two 
  or 
  three 
  enlarged 
  scales 
  in 
  the 
  region 
  

   between 
  the 
  pelvic 
  fins 
  are 
  also 
  imperfectly 
  preserved. 
  

  

  Presented 
  by 
  Sir 
  Richard 
  Owen, 
  K.C.B., 
  1878. 
  

  

  35580-82. 
  Part 
  of 
  the 
  abdominal 
  region 
  with 
  dorsal 
  fin, 
  another 
  

   specimen 
  showing 
  part 
  of 
  the 
  head 
  and 
  abdominal 
  region, 
  

   and 
  an 
  imperfect 
  detached 
  caudal 
  fin 
  ; 
  Whitby. 
  The 
  

   number 
  of 
  rays 
  in 
  the 
  dorsal 
  fin 
  is 
  difficult 
  to 
  ascertain, 
  

   but 
  there 
  appear 
  to 
  be 
  slightly 
  more 
  than 
  20. 
  The 
  form 
  

   of 
  the 
  suboperculum 
  is 
  well 
  shown 
  in 
  the 
  second 
  specimen. 
  

  

  Purchased, 
  1859. 
  

  

  20579. 
  A 
  large 
  fish 
  much 
  broken 
  and 
  partly 
  deepened 
  by 
  distortion 
  ; 
  

   Boll, 
  Wiirtemberg. 
  The 
  maxilla 
  displays 
  its 
  obliquely 
  

   ridged 
  ornament; 
  and 
  a 
  few 
  of 
  the 
  abdominal 
  scales 
  

   exposed 
  from 
  within 
  show 
  the 
  peg-and-socket 
  articulation. 
  

  

  Purchased, 
  1846. 
  

  

  36015. 
  Fine 
  large 
  specimen 
  wanting 
  the 
  dorsal 
  and 
  anal 
  fins 
  and 
  

   in 
  part 
  much 
  fractured 
  ; 
  Ohmden, 
  near 
  Boll. 
  A 
  large 
  

   upper 
  postclavicular 
  scale 
  is 
  conspicuous, 
  and 
  the 
  smooth- 
  

   ness 
  of 
  the 
  upper 
  branchiostegals 
  is 
  shown. 
  A 
  few 
  of 
  the 
  

   anterior 
  flank-scales 
  exhibit 
  feeble 
  traces 
  of 
  elongated 
  

   tubercles 
  replacing 
  delicate 
  vertical 
  folds 
  at 
  the 
  anterior 
  

   border. 
  Purchased, 
  1861. 
  

  

  P. 
  3689. 
  Another 
  large 
  specimen 
  wanting 
  the 
  fins, 
  much 
  distorted 
  ; 
  

   Ohmden, 
  near 
  Boll. 
  The 
  smooth 
  extremity 
  of 
  the 
  rostrum 
  

   is 
  shown, 
  and 
  most 
  of 
  the 
  external 
  ornament 
  is 
  well- 
  

   preserved, 
  extending 
  both 
  over 
  the 
  opercular 
  and 
  supra- 
  

   temporal 
  plates. 
  Between 
  the 
  rami 
  of 
  the 
  mandible 
  some 
  

   of 
  the 
  broad 
  branchiostegals 
  and 
  remains 
  of 
  the 
  gular 
  

   plate 
  are 
  conspicuous, 
  all 
  quite 
  smooth. 
  Enniskillen 
  Coll. 
  

  

  20659. 
  Part 
  of 
  the 
  head 
  and 
  abdominal 
  region 
  of 
  a 
  smaller 
  fish, 
  

   with 
  paired 
  fins 
  ; 
  Boll, 
  Biserial 
  fulcra 
  are 
  seen 
  on 
  the 
  

   pectoral 
  fin, 
  and 
  some 
  of 
  the 
  broad 
  smooth 
  branchiostegal 
  

   rays 
  are 
  exposed. 
  Purchased, 
  1846. 
  

  

  P. 
  7175. 
  A 
  fine 
  specimen 
  0-28 
  in 
  length, 
  exposed 
  from 
  the 
  lateral 
  

   and 
  partly 
  ventral 
  aspect, 
  imperfect 
  in 
  the 
  dorsal 
  region 
  ; 
  

   Holzmaden, 
  Wiirtemberg. 
  The 
  opercular 
  plates, 
  with 
  the 
  

   smooth 
  branchiostegals 
  and 
  gular 
  below, 
  are 
  displayed 
  ; 
  

   and 
  all 
  the 
  fins 
  are 
  shown 
  except 
  the 
  dorsal. 
  

  

  Purchased, 
  1894. 
  

  

  