﻿72 
  ACTINOPTERYGII. 
  

  

  Type. 
  Imperfect 
  head 
  and 
  anterior 
  scales 
  ; 
  University 
  Geological 
  

   Museum, 
  Gottingen. 
  

  

  A 
  large 
  species 
  known 
  only 
  by 
  portions 
  of 
  the 
  head 
  and 
  squama- 
  

   tion. 
  External 
  head-bones 
  ornamented 
  with 
  closely 
  arranged 
  rugae 
  ; 
  

   teeth 
  resembling 
  those 
  of 
  C. 
  varius. 
  Scales 
  differing 
  little 
  from 
  

   those 
  of 
  C. 
  varius, 
  but 
  wanting 
  the 
  upper 
  and 
  lower 
  almost 
  free 
  

   transverse 
  ridges 
  and 
  having 
  all 
  the 
  other 
  ridges 
  stouter 
  than 
  in 
  the 
  

   last-named 
  species. 
  

  

  Form. 
  Sf 
  Log. 
  Upper 
  Muschelkalk 
  and 
  Lettenkohl 
  : 
  Germany. 
  

  

  Not 
  represented 
  in 
  the 
  Collection. 
  

  

  Colobodus 
  chorzowensis 
  (H. 
  von 
  Meyer). 
  

  

  1847. 
  Omphalodus 
  chorzowiensis, 
  H. 
  von 
  Meyer, 
  Neues 
  Jahrb. 
  p. 
  574. 
  

  

  1848. 
  Colobodus 
  (?) 
  chorzowiensis, 
  C. 
  G. 
  Giebel, 
  Fauna 
  d. 
  Vorw., 
  Fische, 
  

   p. 
  466. 
  

  

  1851. 
  Nephrotus 
  chorzowensis, 
  H. 
  von 
  Meyer, 
  Palseontogr. 
  vol. 
  i. 
  p. 
  242, 
  

  

  pi. 
  xxviii. 
  fig. 
  20. 
  (Also 
  scales 
  described 
  and 
  figured 
  ibid. 
  pp. 
  251, 
  

  

  252, 
  pi. 
  xxix. 
  figs. 
  30-37.) 
  

   1865. 
  Colobodus 
  chorzozvensis, 
  H. 
  Eck, 
  Form. 
  bunt. 
  Sandst. 
  u. 
  Muschelk. 
  

  

  Oberschlesien, 
  p. 
  66. 
  

   1865. 
  Tleurolepis 
  silesiacus, 
  H. 
  Eck, 
  ibid. 
  p. 
  71. 
  [Scales.] 
  

   1884. 
  Fupleurodus 
  sulcatus, 
  G. 
  Giirich, 
  Zeitschr. 
  deutsch. 
  geol. 
  Ges. 
  

  

  vol. 
  xxxvi. 
  p. 
  142, 
  fig. 
  5. 
  [Fragment 
  of 
  dentition 
  ; 
  coll. 
  of 
  Herr 
  

  

  Mocke, 
  Kattowitz.] 
  

   1888. 
  Colobodus 
  chorzowensis, 
  W. 
  Dames, 
  Palseont. 
  Abhandl. 
  vol. 
  iv. 
  

  

  p. 
  167, 
  pi. 
  xvi 
  a. 
  figs. 
  1-8. 
  

  

  Type. 
  Fragment 
  of 
  dentition. 
  

  

  A 
  species 
  known 
  only 
  from 
  fragments 
  of 
  dentition 
  and 
  detached 
  

   scales. 
  Teeth 
  oval 
  or 
  irregularly 
  rounded, 
  not 
  crowded 
  together, 
  

   the 
  crown 
  of 
  each 
  nearly 
  smooth 
  and 
  with 
  a 
  large 
  apical 
  tubercle. 
  

   Scales 
  ornamented 
  with 
  a 
  few 
  very 
  large 
  oblique 
  ridges, 
  which 
  do 
  

   not 
  bifurcate 
  and 
  often 
  extend 
  directly 
  from 
  the 
  anterior 
  to 
  the 
  

   posterior 
  border. 
  

  

  Form. 
  &f 
  Log. 
  Lower 
  Muschelkalk 
  : 
  Upper 
  Silesia. 
  

  

  Not 
  represented 
  in 
  the 
  Collection. 
  

  

  Colobodus 
  ornatus 
  (Agassiz). 
  

  

  1832. 
  Lepidotes 
  ornatus, 
  L. 
  Agassiz, 
  Neues 
  Jahrb. 
  p. 
  145. 
  

  

  1833-37. 
  Lepidotus 
  ornatus, 
  L. 
  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  i. 
  pp. 
  9, 
  

  

  249, 
  pi. 
  xxxii. 
  

   (?) 
  1844. 
  Lepidotus 
  speciosus, 
  L. 
  Agassiz 
  (ex 
  Miinster, 
  MS.), 
  ibid. 
  p. 
  266, 
  

  

  pi. 
  xxxiv 
  a. 
  figs. 
  5-7. 
  [Imperfect 
  tail 
  ; 
  Paleeontological 
  Museum, 
  

  

  Munich.] 
  

  

  