﻿AMIID2E. 
  365 
  

  

  number, 
  some 
  nearly 
  as 
  deep 
  as 
  broad, 
  all 
  smooth 
  and 
  not 
  indented 
  

   laterally. 
  Fins 
  as 
  in 
  the 
  type 
  species 
  except 
  that 
  the 
  dorsal, 
  pelvic, 
  

   and 
  anal 
  are 
  placed 
  slightly 
  further 
  forwards. 
  

  

  Form. 
  Sf 
  Loc. 
  Lower 
  Kimmeridgian 
  (Lithographic 
  Stone) 
  : 
  Bavaria, 
  

   and 
  Ain, 
  Prance. 
  

  

  49140. 
  Plaster 
  cast 
  of 
  type 
  specimen 
  of 
  the 
  so-called 
  M. 
  grandis 
  ; 
  

   Eichstadt, 
  Bavaria. 
  Purchased, 
  1878. 
  

  

  P. 
  5545. 
  A 
  fine, 
  equally 
  large 
  specimen 
  ; 
  Eichstadt. 
  The 
  caudal 
  

   vertebras 
  exhibit 
  a 
  feeble 
  longitudinal 
  keel 
  on 
  the 
  middle 
  

   of 
  each 
  centrum 
  ; 
  and 
  a 
  regular 
  series 
  of 
  twelve 
  branchi- 
  

   ostegal 
  rays 
  is 
  displayed 
  on 
  the 
  right 
  side 
  of 
  the 
  fish. 
  

  

  Purchased, 
  1888. 
  

  

  22510. 
  Caudal 
  pedicle 
  and 
  fin 
  of 
  an 
  equally 
  large 
  fish 
  ; 
  Solenhofen, 
  

   Bavaria. 
  Purchased, 
  1848. 
  

  

  P. 
  3658. 
  Eish 
  0*23 
  in 
  length, 
  somewhat 
  fractured 
  but 
  displaying 
  

   all 
  the 
  characters 
  of 
  the 
  species 
  ; 
  Kelheim, 
  Bavaria. 
  The 
  

   caudal 
  vertebrae 
  scarcely 
  show 
  the 
  lateral 
  keel 
  noted 
  in 
  a 
  

   previous 
  specimen. 
  Twenty-two 
  supports 
  are 
  exhibited 
  

   in 
  the 
  dorsal, 
  and 
  eight 
  in 
  the 
  anal 
  fin. 
  Enniskillen 
  Coll. 
  

  

  49133. 
  Plaster 
  cast 
  of 
  specimen 
  of 
  the 
  so-called 
  M. 
  polyspondylus 
  

   described 
  by 
  Wagner, 
  loc. 
  cit. 
  1863 
  ; 
  Eichstadt. 
  

  

  Purchased. 
  1878. 
  

  

  Megalurus 
  elegantissimus, 
  Wagner. 
  

  

  1868. 
  Megalurus 
  elegantissimus, 
  A. 
  Wagner, 
  Abh. 
  k. 
  bay. 
  Akad.Wiss., 
  

   math.-phys. 
  CI. 
  vol. 
  ix. 
  p. 
  720, 
  pi. 
  v. 
  fig. 
  2. 
  

  

  Type. 
  Nearly 
  complete 
  fish 
  ; 
  Palseontological 
  Museum, 
  Munich. 
  

  

  A 
  small 
  species 
  attaining 
  a 
  length 
  of 
  about 
  0*15, 
  apparently 
  only 
  

   distinguished 
  from 
  M. 
  elongatus 
  in 
  the 
  somewhat 
  more 
  slender 
  pro- 
  

   portions 
  both 
  of 
  the 
  head 
  and 
  trunk. 
  

  

  Form, 
  fy 
  Loc. 
  Lower 
  Kimmeridgian 
  (Lithographic 
  Stone) 
  : 
  Bavaria. 
  

  

  37368. 
  Plaster 
  cast 
  of 
  type 
  specimen 
  ; 
  Solenhofen. 
  

  

  Purchased, 
  1863. 
  

  

  37102. 
  A 
  larger 
  specimen 
  0*145 
  in 
  length, 
  showing 
  all 
  the 
  fins 
  and 
  

   displaying 
  the 
  vertebral 
  column 
  in 
  the 
  caudal 
  region 
  ; 
  

   Solenhofen. 
  Twenty-two 
  supports 
  are 
  observable 
  in 
  the 
  

   dorsal, 
  and 
  seven 
  in 
  the 
  anal 
  fin. 
  Haberlein 
  Coll. 
  

  

  