﻿LEPTOLEPULE. 
  517 
  

  

  P. 
  6736. 
  Preoperculum 
  ; 
  Oxford 
  Clay. 
  Jesson 
  Coll. 
  

  

  P. 
  4696. 
  Three 
  small 
  fishes,, 
  the 
  largest 
  0*08 
  in 
  length; 
  Lower 
  

   Kimnieridgian 
  (Lithographic 
  Stone), 
  Cirin, 
  Ain, 
  Prance. 
  

   The 
  best 
  specimen 
  shows 
  impressions 
  of 
  about 
  45 
  ver- 
  

   tebral 
  centra, 
  and 
  the 
  head 
  with 
  opercular 
  apparatus 
  is 
  

   contained 
  four 
  times 
  in 
  the 
  total 
  length 
  of 
  the 
  fish. 
  

  

  Purchased, 
  1884. 
  

  

  The 
  following 
  species 
  are 
  incompletely 
  defined 
  or 
  unrecognizable, 
  

   and 
  the 
  third 
  is 
  clearly 
  not 
  represented 
  in 
  the 
  Collection 
  : 
  — 
  

  

  Leptolepis 
  grandis, 
  T. 
  C. 
  Winkler, 
  Archiv. 
  Mus. 
  Teyler, 
  vol. 
  iii. 
  

  

  (1871), 
  p. 
  183, 
  pi. 
  v. 
  figs. 
  13, 
  14. 
  — 
  Lower 
  Kimmeridgian 
  

  

  (Lithographic 
  Stone) 
  ; 
  Bavaria. 
  [Scales 
  : 
  Teyler 
  Museum, 
  

  

  Haarlem.] 
  

   Leptolepis 
  latus, 
  L. 
  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  ii. 
  (1844), 
  

  

  pp. 
  134, 
  295 
  (name 
  only). 
  — 
  Ibid. 
  [Unknown.] 
  

   Leptolepis 
  matronensis, 
  F. 
  J. 
  Pictet, 
  Mem. 
  Soc. 
  Linn. 
  Normandie, 
  

  

  vol. 
  xvi. 
  (1872), 
  no. 
  i. 
  p. 
  13, 
  pi. 
  ii. 
  fig. 
  1. 
  — 
  Portlandian 
  ; 
  

  

  Beaudrecourt, 
  Haute 
  Marne. 
  [Royer 
  Collection.] 
  

   Leptolepis 
  tenellus, 
  L. 
  Agassiz, 
  torn. 
  cit. 
  (1833-44), 
  pt. 
  i. 
  p. 
  13 
  ; 
  

  

  pt. 
  ii. 
  p. 
  1 
  34. 
  — 
  Lias 
  ; 
  Baden. 
  [Imperfect 
  fish.] 
  

  

  Undetermined 
  immature 
  examples 
  of 
  Leptolepis 
  from 
  the 
  Bavarian 
  

   Lithographic 
  Stone 
  seem 
  to 
  have 
  been 
  named 
  Tharsis 
  parvus 
  and 
  

   Tharsis 
  microcephalus 
  by 
  C. 
  Gr. 
  Giebel, 
  Fauna 
  d. 
  Yorw., 
  Fische, 
  

   (1848), 
  p. 
  147. 
  

  

  The 
  undefined 
  generic 
  name 
  Oxygonius 
  (L. 
  Agassiz, 
  in 
  Brodie's 
  

   Fossil 
  Insects, 
  1845, 
  p. 
  16) 
  is 
  given 
  to 
  some 
  indeterminable 
  fry 
  

   from 
  the 
  Purbeck 
  Beds 
  of 
  the 
  Vale 
  of 
  Wardour 
  which 
  cannot 
  be 
  

   satisfactorily 
  distinguished 
  from 
  Lepiolepis. 
  The 
  typical 
  and 
  only 
  

   known 
  species 
  is 
  0. 
  tenuis 
  (L. 
  Agassiz, 
  op. 
  cit. 
  p. 
  16, 
  pi. 
  i. 
  fig. 
  4), 
  

   and 
  it 
  is 
  represented 
  in 
  the 
  Collection 
  by 
  the 
  following 
  speci- 
  

   mens 
  : 
  — 
  

  

  P. 
  923, 
  P. 
  3687. 
  Slab 
  with 
  several 
  fishes 
  and 
  two 
  detached 
  speci- 
  

   mens 
  ; 
  Lower 
  Purbeck, 
  Yale 
  of 
  Wardour. 
  

  

  Egerton 
  Sf 
  Ennislcillen 
  Colls. 
  

  

  P. 
  444, 
  P. 
  4730. 
  Two 
  fine 
  specimens 
  ; 
  Yale 
  of 
  Wardour. 
  

  

  Presented 
  by 
  Rev. 
  P. 
  B. 
  Brodie, 
  1885. 
  

  

  The 
  type 
  specimen 
  of 
  Oxygonius 
  tenuis 
  is 
  in 
  the 
  collection 
  of 
  

   Rev. 
  P. 
  B. 
  Brodie, 
  Rowington, 
  Warwick. 
  

  

  