﻿LEPTOLEPID^. 
  

  

  515 
  

  

  37055, 
  37071, 
  37892-93, 
  37895, 
  37897-98. 
  Fry 
  probably 
  for 
  the 
  

   most 
  part 
  of 
  this 
  species 
  ; 
  Solenhofeu. 
  Haberlein 
  Coll. 
  

  

  P. 
  928-29, 
  P. 
  932. 
  Similar 
  fry, 
  some 
  with 
  incompletely 
  formed 
  

   vertebral 
  centra 
  ; 
  Kelheim 
  and 
  Solenhofen. 
  

  

  Egerton 
  Coll. 
  

  

  P. 
  3689-70. 
  Three 
  similar 
  specimens 
  ; 
  Kelheim 
  and 
  Solenhofen. 
  

  

  Enniskillen 
  Coll. 
  

  

  Leptolepis 
  brodiei, 
  Agassiz. 
  

  

  1845. 
  Leptolepis 
  brodiei, 
  L. 
  Agassiz, 
  in 
  P. 
  B. 
  Brodie, 
  Foss. 
  Insects, 
  

  

  p. 
  15, 
  pi. 
  i. 
  figs. 
  1, 
  3. 
  

   1850. 
  Sarginites 
  pygmceus, 
  0. 
  G. 
  Costa, 
  Atti 
  Accad* 
  Pontan. 
  vol. 
  v. 
  

  

  p. 
  285, 
  pi. 
  vi. 
  figs. 
  6-8. 
  [Imperfect 
  fishes 
  ; 
  Geological 
  Museum, 
  

  

  University 
  of 
  Naples.] 
  

   1850. 
  Megastoma 
  apenninum, 
  O. 
  G. 
  Costa, 
  ibid. 
  p. 
  287, 
  pi. 
  vi. 
  figs. 
  9, 
  10. 
  

  

  [Ditto.] 
  

   1853. 
  Sarginites 
  pygmceus, 
  O. 
  G. 
  Costa, 
  loc. 
  cit. 
  vol. 
  vii. 
  p. 
  7, 
  pi. 
  i. 
  

  

  fig. 
  4. 
  

   1853. 
  Megastoma 
  apenninum, 
  0. 
  G. 
  Costa, 
  ibid. 
  p. 
  8, 
  pi. 
  i, 
  fig. 
  3. 
  

   1879. 
  Leptolepis 
  neocomiensis, 
  F. 
  Bassani, 
  Verhandl. 
  k. 
  k. 
  geol. 
  Reichs- 
  

  

  anst. 
  p. 
  164. 
  [Imperfect 
  fish 
  ; 
  Imperial 
  Geological 
  Survey 
  

  

  Museum, 
  Vienna.] 
  

   1882. 
  Leptolepis 
  neocomiensis, 
  F. 
  Bassani, 
  Denkschr. 
  k. 
  Akad. 
  Wiss., 
  

  

  math.-naturw. 
  CI. 
  vol. 
  xlv. 
  p. 
  204, 
  pi. 
  ii. 
  figs. 
  1-5. 
  

   1895. 
  Leptolepis 
  brodiei, 
  A. 
  S. 
  Woodward, 
  Geol. 
  Mag. 
  [4] 
  vol. 
  ii. 
  p. 
  150, 
  

  

  pi. 
  vii. 
  figs. 
  5, 
  6. 
  

  

  Type. 
  Imperfect 
  fish 
  ; 
  collection 
  of 
  Rev. 
  P. 
  B. 
  Brodie. 
  

  

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

   head 
  with 
  opercular 
  apparatus 
  exceeding 
  the 
  maximum 
  depth 
  of 
  the 
  

   trunk 
  and 
  contained 
  about 
  four 
  times 
  in 
  the 
  total 
  length 
  of 
  the 
  

   fish 
  ; 
  width 
  of 
  caudal 
  pedicle 
  exceeding 
  half 
  the 
  maximum 
  depth 
  

   of 
  the 
  abdominal 
  region. 
  Vertebras 
  about 
  40 
  in 
  number, 
  the 
  centra 
  

   robust 
  and 
  as 
  deep 
  as 
  long, 
  the 
  neural 
  and 
  haemal 
  spines 
  in 
  the 
  

   caudal 
  region 
  straight 
  and 
  gently 
  inclined. 
  Pelvic 
  fins 
  arising 
  

   about 
  midway 
  between 
  the 
  anal 
  and 
  pectoral 
  fins, 
  opposite 
  to 
  the 
  

   origin 
  of 
  the 
  dorsal, 
  which 
  has 
  12 
  rays 
  ; 
  anal 
  fin 
  with 
  about 
  7 
  rays, 
  

   arising 
  much 
  nearer 
  to 
  the 
  caudal 
  than 
  to 
  the 
  pelvic 
  fins. 
  

  

  Form, 
  fy 
  Loc. 
  Lower 
  Purbeckian 
  : 
  Vale 
  of 
  Wardour, 
  Wiltshire. 
  

   Upper 
  Jurassic 
  : 
  Naples. 
  Cretaceous 
  : 
  Istria 
  and 
  Dalrnatia. 
  

  

  P. 
  3675-a. 
  Contorted 
  fish, 
  and 
  a 
  very 
  small 
  specimen 
  with 
  remark- 
  

   ably 
  large 
  head 
  ; 
  Lower 
  Purbeck, 
  Vale 
  of 
  Wardour. 
  

  

  EnnisJcillen 
  Coll. 
  

   2l2 
  

  

  