﻿378 
  ACTINOPTEKTGII. 
  

  

  the 
  maximum 
  depth 
  of 
  the 
  trunk. 
  Pelvic 
  fins 
  arising 
  slightly 
  

   nearer 
  to 
  the 
  pectorals 
  than 
  to 
  the 
  anal 
  ; 
  dorsal 
  fin 
  about 
  as 
  long 
  as 
  

   deep, 
  arising 
  opposite 
  the 
  middle 
  of 
  the 
  anal. 
  

   Form. 
  Sf 
  Loc. 
  Upper 
  Lias 
  : 
  Wiirtemberg. 
  

  

  P. 
  2044. 
  Imperfect 
  specimen 
  about 
  0-3 
  in 
  length 
  ; 
  Ohmden. 
  

  

  Egerton 
  Coll. 
  

  

  P. 
  881 
  a. 
  Imperfect 
  head 
  and 
  abdominal 
  region 
  ; 
  Ohmden. 
  

  

  Egerton 
  Coll. 
  

  

  Euthynotus 
  intermedins 
  

  

  1844. 
  Thrissops 
  intermedins, 
  L. 
  Agassiz 
  {ex 
  Miinster, 
  MS.), 
  Poiss. 
  Foss. 
  

  

  vol. 
  ii. 
  pt. 
  ii. 
  p. 
  127, 
  pi. 
  lxvi. 
  

   1848. 
  Sauropsis 
  intermedins, 
  C. 
  G. 
  Giebel, 
  Fauna 
  der 
  Vorwelt, 
  Fische, 
  

  

  p. 
  200. 
  

   1860. 
  Euthynotus 
  intermedins, 
  A. 
  Wagner, 
  Gelehrte 
  Anzeig. 
  k. 
  bay. 
  

  

  Akad. 
  Wiss. 
  vol. 
  1. 
  p. 
  217. 
  

   1875. 
  Heterothrissops 
  intermedins, 
  H. 
  E. 
  Sauvage, 
  Bibl. 
  Ecole 
  Hautes 
  

  

  Etudes, 
  vol. 
  xiii. 
  no. 
  5, 
  p. 
  46. 
  

  

  Type. 
  Nearly 
  complete 
  fish 
  ; 
  Woodwardian 
  Museum, 
  Cambridge. 
  

  

  A 
  species 
  about 
  as 
  large 
  as 
  the 
  type. 
  Length 
  of 
  head 
  with 
  

   opercular 
  apparatus 
  equalling 
  one-quarter 
  of 
  the 
  total 
  length 
  to 
  the 
  

   base 
  of 
  the 
  caudal 
  fin, 
  and 
  about 
  equal 
  to 
  the 
  maximum 
  depth 
  of 
  

   the 
  trunk. 
  Pelvic 
  fins 
  much 
  nearer 
  to 
  the 
  pectorals 
  than 
  to 
  the 
  

   anal 
  ; 
  dorsal 
  fin 
  much 
  deeper 
  than 
  long, 
  "arising 
  opposite 
  the 
  origin 
  

   of 
  the 
  anal. 
  

  

  This 
  is 
  the 
  type 
  species 
  of 
  the 
  so-called 
  genus 
  Heterothrissops. 
  

  

  Form. 
  Sf 
  Loc. 
  Upper 
  Lias 
  : 
  Werther, 
  Westphalia. 
  

  

  Not 
  represented 
  in 
  the 
  Collection. 
  

  

  Euthynotus 
  speciosus, 
  Wagner. 
  

  

  1860. 
  Euthynotus 
  speciosus, 
  A. 
  Wagner, 
  Gelehrte 
  Anzeig. 
  k. 
  bay. 
  Akad. 
  

   Wiss. 
  vol. 
  1. 
  p. 
  216. 
  

  

  Type. 
  Nearly 
  complete 
  fish; 
  Palaeontological 
  Museum, 
  Munich. 
  

  

  A 
  species 
  about 
  as 
  large 
  as 
  the 
  type, 
  characterized 
  by 
  the 
  com- 
  

   paratively 
  robust 
  proportions 
  of 
  the 
  trunk 
  and 
  the 
  forward 
  position 
  

   of 
  the 
  dorsal 
  fin, 
  which 
  arises 
  opposite 
  or 
  immediately 
  in 
  advance 
  

   of 
  the 
  origin 
  of 
  the 
  anal 
  fin. 
  

  

  Form. 
  <$f 
  Loc. 
  Upper 
  Lias 
  : 
  Werther, 
  Westphalia. 
  

  

  Not 
  represented 
  in 
  the 
  Collection. 
  

  

  