﻿aspidorhynchim;. 
  

  

  421 
  

  

  P. 
  972 
  a. 
  Part 
  of 
  the 
  pectoral 
  fins 
  and 
  abdominal 
  squaraation 
  of 
  a 
  

   similar 
  specimen, 
  labelled 
  " 
  Aspidorliynchus 
  acutirostris, 
  

   Agass.," 
  by 
  Agassiz 
  ; 
  Solenhofen. 
  Egerton 
  Coll. 
  

  

  P. 
  972 
  b. 
  Scattered 
  remains 
  of 
  the 
  head 
  of 
  another 
  large 
  fish, 
  dis- 
  

   playing 
  among 
  other 
  elements 
  the 
  ceratohyal, 
  epihyal, 
  and 
  

   expanded 
  hyomandibnlar 
  ; 
  Solenhofen. 
  Egerton 
  Coll. 
  

  

  36013-14. 
  Similar 
  remains 
  of 
  a 
  large 
  head 
  with 
  the 
  pectoral 
  fin, 
  

   in 
  counterpart 
  ; 
  Solenhofen. 
  The 
  cranium 
  is 
  shown 
  from 
  

   above, 
  and 
  the 
  branched 
  character 
  of 
  the 
  pectoral 
  fin-rays 
  

   is 
  well 
  displayed. 
  Purchased, 
  1861. 
  

  

  P. 
  971. 
  Head 
  and 
  anterior 
  portion 
  of 
  the 
  abdominal 
  region 
  exhi- 
  

   biting 
  chiefly 
  an 
  ornament 
  of 
  rugse, 
  and 
  labelled 
  "Aspido- 
  

   rhynchus 
  speciosus, 
  Agass.," 
  by 
  Agassiz 
  ; 
  Kelheim. 
  

  

  Egerton 
  Coll. 
  

  

  37790. 
  Contorted 
  fish 
  0*75 
  in 
  length, 
  with 
  complete 
  rostrum, 
  several 
  

   well-preserved 
  vertebral 
  rings 
  and 
  portions 
  of 
  squamation, 
  

   and 
  perfect 
  caudal 
  fin; 
  Solenhofen. 
  The 
  rostrum 
  is 
  conspi- 
  

   cuously 
  marked 
  with 
  longitudinal 
  rugae. 
  Haberlein 
  Coll. 
  

  

  37802. 
  Head 
  of 
  an 
  equally 
  large 
  specimen, 
  in 
  counterpart, 
  with 
  the 
  

   pectoral 
  fin 
  ; 
  Solenhofen. 
  Haberlein 
  Coll. 
  

  

  P. 
  2055. 
  Fragmentary 
  remains 
  of 
  large 
  trunk 
  with 
  richly 
  orna- 
  

   mented 
  scales, 
  labelled 
  " 
  Aspidorliynchus 
  acutirostris, 
  

   Agass.," 
  by 
  Agassiz 
  ; 
  Solenhofen. 
  Egerton 
  Coll. 
  

  

  49145. 
  Plaster 
  cast 
  of 
  nearly 
  complete 
  fish 
  0*67 
  in 
  length, 
  the 
  

   specimen 
  figured 
  by 
  Agassiz, 
  torn. 
  cit. 
  pi. 
  xlvi. 
  fig. 
  2 
  ; 
  

   Solenhofen. 
  Purchased, 
  1878. 
  

  

  P. 
  2056, 
  Feeble 
  impression 
  of 
  the 
  head 
  and 
  imperfect 
  trunk 
  of 
  a 
  

   similar 
  fish, 
  showing 
  vertebral 
  rings 
  ; 
  Kelheim. 
  

  

  Egerton 
  Coll. 
  

  

  P. 
  2057. 
  Mandible, 
  scattered 
  head-bones, 
  and 
  part 
  of 
  the 
  trunk 
  of 
  

   a 
  similar 
  fish 
  ; 
  Solenhofen. 
  Egerton 
  Coll. 
  

  

  22657. 
  Specimen 
  0-58 
  in 
  length, 
  with 
  almost 
  smooth 
  scales 
  and 
  

   opercular 
  apparatus 
  ; 
  Solenhofen. 
  The 
  anal 
  fin 
  is 
  espe- 
  

   cially 
  well 
  shown, 
  with 
  minute 
  fulcra. 
  Purchased, 
  1848. 
  

  

  37789. 
  More 
  imperfect 
  specimen 
  0*55 
  in 
  length, 
  displaying 
  the 
  

   forked 
  caudal 
  fin 
  ; 
  Solenhofen. 
  Tn 
  both 
  this 
  and 
  the 
  

   previous 
  fish 
  the 
  dorsal 
  fin 
  is 
  distinctly 
  smaller 
  than 
  the 
  

  

  