﻿PYCNODONTIDiE. 
  209 
  

  

  P. 
  5102. 
  More 
  nearly 
  complete 
  specimen 
  ; 
  Lindnerberg. 
  

  

  Presented 
  by 
  J. 
  E. 
  Lee, 
  Esq., 
  1885. 
  

  

  28506. 
  Portion 
  of 
  left 
  splenial 
  dentition 
  ; 
  Coral 
  Rag, 
  Schnaitheim, 
  

   Wiirtemberg. 
  Purchased, 
  1847. 
  

  

  40638. 
  Right 
  splenial 
  bone 
  with 
  much-worn 
  teeth, 
  doubtfully 
  

   assigned 
  to 
  this 
  species 
  ; 
  Coral 
  Rag, 
  Weymouth. 
  

  

  Purchased, 
  1867. 
  

  

  P. 
  3786 
  d. 
  Small 
  right 
  splenial 
  closely 
  resembling 
  the 
  specimen 
  

   figured 
  by 
  Fricke, 
  loc. 
  cit. 
  pi. 
  xix. 
  fig. 
  3 
  ; 
  Kimmeridge 
  

   Clay, 
  Weymouth. 
  Enniskillen 
  Coll. 
  

  

  P. 
  6748. 
  Abraded 
  portion 
  of 
  similar 
  left 
  splenial 
  ; 
  Kimmeridge 
  

   Clay, 
  Weymouth. 
  Purchased, 
  1892. 
  

  

  P, 
  3741. 
  Portion 
  of 
  small 
  right 
  splenial 
  dentition; 
  probably 
  from 
  

   the 
  Coral 
  Rag 
  of 
  Weymouth. 
  Enniskillen 
  Coll. 
  

  

  Mesodon 
  nicoleti 
  (Agassiz). 
  

  

  1844. 
  Pycnodus 
  nicoleti, 
  L. 
  Agassiz, 
  Poiss. 
  Foss. 
  vol. 
  ii. 
  pt. 
  ii. 
  p. 
  192, 
  

  

  pi. 
  lxxi. 
  fig. 
  14. 
  

   1860. 
  Pycnodus 
  nicoleti, 
  F. 
  J. 
  Pictet, 
  Rept. 
  & 
  Poiss. 
  Foss. 
  Jura 
  Neu- 
  

  

  chatelois, 
  p. 
  55, 
  pi. 
  xiii. 
  figs. 
  1-3. 
  

   1879. 
  Pycnodus 
  nicoleti, 
  H. 
  E. 
  Sauvage, 
  Bull. 
  Soc. 
  Sci. 
  Nat. 
  Yonne, 
  

  

  vol. 
  xxxiii. 
  pt. 
  ii. 
  p. 
  33, 
  pi. 
  ii. 
  fig. 
  6. 
  

  

  Type. 
  Imperfect 
  splenial 
  dentition. 
  

  

  A 
  large 
  species, 
  known 
  only 
  by 
  the 
  dentition 
  of 
  the 
  lower 
  jaw, 
  

   which 
  appears 
  to 
  differ 
  from 
  that 
  of 
  M. 
  granulatus 
  merely 
  in 
  the 
  

   greater 
  length 
  of 
  the 
  principal 
  teeth 
  as 
  compared 
  with 
  their 
  breadth. 
  

   Future 
  discoveries 
  must 
  determine 
  whether 
  the 
  two 
  supposed 
  species 
  

   are 
  truly 
  distinct. 
  

  

  None 
  of 
  the 
  specimens 
  in 
  the 
  Collection 
  show 
  more 
  than 
  one 
  

   inner 
  series 
  and 
  three 
  outer 
  series 
  of 
  small 
  teeth 
  on 
  the 
  splenial 
  

   bone. 
  

  

  Form. 
  Sf 
  Loc. 
  Kimmeridgian 
  : 
  Switzerland 
  ; 
  Yonne, 
  France, 
  

   (?) 
  Portlandian 
  : 
  Germany. 
  

  

  P. 
  1644. 
  Imperfect 
  left 
  splenial 
  dentition, 
  much 
  worn 
  ; 
  Soleure. 
  

  

  Egerton 
  Coll. 
  

  

  P. 
  3740. 
  Two 
  similar 
  specimens 
  ; 
  Soleure. 
  Enniskillen 
  Coll. 
  

  

  P. 
  5292. 
  Portion 
  of 
  left 
  splenial 
  dentition, 
  showing 
  the 
  rugosity 
  on 
  

   one 
  of 
  the 
  principal 
  teeth 
  ; 
  Soleure. 
  

   Presented 
  by 
  Her 
  Grace 
  the 
  Duchess 
  of 
  St. 
  Albans, 
  1876. 
  

  

  PART 
  III. 
  P 
  

  

  