﻿240 
  ACTINOPTEEYGII. 
  

  

  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  i. 
  1833, 
  p. 
  16, 
  pt. 
  ii. 
  1844, 
  p. 
  227, 
  

   pi. 
  lxix. 
  a. 
  figs. 
  27, 
  28 
  ; 
  F. 
  A. 
  Quenstedt, 
  Handb. 
  Petrefakt. 
  1852, 
  

   p. 
  212, 
  pi. 
  xvi. 
  fig. 
  3 
  ; 
  ? 
  H. 
  E. 
  Sauvage, 
  Catal. 
  Poiss. 
  Form. 
  Second. 
  

   Boulonnais, 
  1867, 
  p. 
  41, 
  pi. 
  ii. 
  fig. 
  12, 
  and 
  Bull. 
  Soc. 
  Geol. 
  France, 
  

   [3] 
  vol. 
  viii. 
  1880, 
  p. 
  526) 
  from 
  the 
  Corallian 
  of 
  Durrheim, 
  Baden, 
  

   and 
  Schnaitheim, 
  Wurtemberg 
  (possibly 
  also 
  Kimmeridgian 
  and 
  

   Portlandian 
  of 
  N. 
  France), 
  and 
  Gyrodus 
  jurassicus 
  (L. 
  Agassiz, 
  

   Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  i. 
  1833, 
  p. 
  16, 
  pt. 
  ii. 
  1844, 
  p. 
  229, 
  pi. 
  lxix. 
  a. 
  

   figs. 
  25, 
  26 
  ; 
  F. 
  A. 
  Quenstedt, 
  Handb. 
  Petrefakt. 
  1852, 
  p. 
  212, 
  

   pi. 
  xvi. 
  fig. 
  5 
  ; 
  K. 
  Fricke, 
  Palaeontogr. 
  vol. 
  xxii. 
  1875, 
  p. 
  374, 
  pi. 
  xx. 
  

   figs. 
  17, 
  18) 
  from 
  the 
  Kimmeridgian 
  of 
  Soleure, 
  Switzerland, 
  the 
  

   Corallian 
  and 
  Kimmeridgian 
  of 
  Hanover, 
  and 
  the 
  Corallian 
  of 
  

   Schnaitheim, 
  Wurtemberg. 
  Of 
  the 
  latter 
  the 
  type 
  specimen 
  is 
  in 
  

   the 
  Museum 
  of 
  Soleure, 
  and 
  the 
  two 
  species 
  are 
  represented 
  in 
  the 
  

   Collection 
  by 
  the 
  following 
  examples 
  : 
  — 
  

  

  22493*, 
  22658. 
  Two 
  unworn 
  detached 
  teeth 
  of 
  G. 
  umbilicus: 
  Coral- 
  

   lian, 
  Schnaitheim. 
  Purchased, 
  1848. 
  

  

  42884. 
  Plaster 
  cast 
  of 
  the 
  type 
  specimen 
  of 
  G. 
  jurassicus, 
  being 
  

   the 
  two 
  associated 
  splenial 
  bones 
  ; 
  Kimmeridgian, 
  Soleure. 
  

  

  Van 
  Breda 
  Coll. 
  

  

  P. 
  3778. 
  Portion 
  of 
  left 
  splenial 
  dentition, 
  probably 
  the 
  specimen 
  

   referred 
  to 
  G. 
  jurassicus 
  by 
  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii. 
  

   pt. 
  ii. 
  p. 
  230 
  ; 
  Soleure. 
  Ennishillen 
  Coll. 
  

  

  P. 
  5952. 
  Left 
  splenial 
  dentition 
  of 
  the 
  form 
  referred 
  to 
  G. 
  jurassicus 
  

   by 
  Fricke, 
  loc. 
  cit. 
  ; 
  Kimmeridgian, 
  Holzen, 
  near 
  Eschers- 
  

   hausen, 
  Hanover. 
  Purchased, 
  1889. 
  

  

  P. 
  3751. 
  Portion 
  of 
  abraded 
  splenial 
  dentition, 
  labelled 
  " 
  Pycnodus 
  

   sphoerodus 
  " 
  by 
  Agassiz 
  ; 
  Portlandian, 
  Neuchatel, 
  Switzer- 
  

   land. 
  Ennislcillen 
  Coll. 
  

  

  Gyrodus 
  cuvieri, 
  Agassiz. 
  

  

  1833-44. 
  Gyrodus 
  cuvieri, 
  L. 
  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  i. 
  p. 
  16, 
  

  

  pt. 
  ii. 
  p. 
  230, 
  pi. 
  lxix. 
  a. 
  figs. 
  21-23. 
  

   1867. 
  Gyrodus 
  cuvieri, 
  H. 
  E. 
  Sauvage, 
  Catal. 
  Poiss. 
  Form. 
  Second. 
  

  

  Boulonnais 
  (Mem. 
  Soc. 
  Acad. 
  Boulogne-sur-Mer, 
  vol. 
  ii.), 
  p. 
  43, 
  

  

  pi. 
  ii. 
  fig. 
  13. 
  

   1875. 
  Gyrodus 
  ornatissimus, 
  J. 
  F. 
  Blake, 
  Quart. 
  Journ. 
  Geol. 
  Soc. 
  

  

  vol. 
  xxxi. 
  p. 
  223. 
  [Dentition 
  ; 
  British 
  Museum.] 
  

   1880. 
  Gyrodus 
  ornatissimus, 
  R. 
  Damon, 
  Geol. 
  Weymouth, 
  ed. 
  2, 
  pi. 
  xi. 
  

  

  figs. 
  1-4, 
  7-9 
  (non 
  fig. 
  6). 
  

   1880. 
  Gyrodus 
  cuvieri, 
  H. 
  E. 
  Sauvage, 
  Bull. 
  Soc. 
  Geol. 
  France, 
  [3] 
  

   vol. 
  viii. 
  p. 
  526. 
  

  

  