﻿Plate 
  VIII 
  — 
  Contin 
  

  

  j 
  Hg.Ua. 
  A 
  

  

  •|5^| 
  Pig.l*a 
  

  

  Fik'. 
  16 
  a. 
  

   Fig. 
  17 
  a 
  

  

  lik'. 
  ISO. 
  

  

  E.1BO. 
  

  

  lAi.E 
  

  

  PaanaDoe 
  Vaushviessis. 
  St. 
  J. 
  and 
  IS 
  isi 
  

  

  Maxillary 
  posterior 
  tooth, 
  left 
  ramus, 
  seen 
  from 
  above 
  anterior 
  border 
  

   Stored 
  In 
  outline, 
  enlarged 
  one 
  diameter: 
  . 
  -on. 
  Illi- 
  

  

  nois. 
  Mr. 
  Van 
  Home. 
  

   larger 
  example 
  ol 
  tin- 
  boom 
  form, 
  view 
  from 
  above, 
  anterior 
  portion 
  of 
  

   crown 
  mutilated: 
  U 
  b, 
  do., 
  transverse 
  profile 
  from 
  inner 
  margin. 
  Same 
  

   loruiatiou. 
  locality 
  and 
  collection. 
  

  

  PCECILODUS 
  ( 
  J. 
  a 
  in 
  I 
  \V 
  155 
  

  

  Maxillary 
  posterior 
  tooth, 
  right 
  ramus, 
  from 
  above, 
  outline 
  partially 
  

   stored: 
  li 
  h. 
  do., 
  from 
  the 
  inner 
  margin: 
  18 
  e, 
  '1".. 
  outer 
  inrolled 
  martin: 
  

   Uhester; 
  Cheater, 
  DHnoia, 
  Mr. 
  Van 
  Home. 
  

  

  Mandibular 
  I'osterior 
  tooth, 
  left 
  ramus, 
  view 
  from 
  above: 
  16 
  b, 
  do., 
  inner 
  

   margin: 
  16 
  c, 
  do., 
  outer 
  inrolled 
  margin; 
  16 
  <l, 
  do., 
  profile 
  from 
  antero- 
  

   lateral 
  border; 
  Obeatn 
  I 
  h< 
  -•• 
  r, 
  DUnola, 
  P 
  r 
  ote 
  aa 
  or 
  Worthen. 
  

  

  A 
  small 
  example 
  of 
  tfaa 
  same 
  form, 
  right 
  ramus, 
  from 
  above, 
  showing 
  

   transverse 
  oorrugattone; 
  Ob 
  an. 
  

  

  Pczcelodds 
  Woiitheni. 
  St. 
  John 
  i:K 
  

  

  Mandibular 
  posterior 
  tooth, 
  left 
  Moras, 
  view 
  from 
  above, 
  outline 
  partially 
  

   restored; 
  Ik 
  b, 
  <lo., 
  transverse 
  profile 
  from 
  inner 
  margin: 
  18 
  c. 
  do., 
  outer 
  

   inrolled 
  margin; 
  18 
  d, 
  do., 
  longitudinal 
  prolllo 
  antero-lateral 
  bor-l- 
  

   Chester; 
  Chester. 
  Illinois. 
  

  

  POMBbODtrS 
  Si 
  1. 
  1 
  Si. 
  ei. 
  I. 
  Si. 
  .1. 
  ate 
  I 
  W 
  138 
  

  

  Mandibular 
  posterior 
  tooth, 
  W\ 
  ramus, 
  view 
  from 
  above, 
  o-jtline 
  partially 
  

   restored: 
  19 
  b, 
  do., 
  transverse 
  profile 
  from 
  inner 
  margin: 
  \f 
  a, 
  do., 
  outer 
  

   inrolled 
  margin: 
  Lower 
  Carboniferoii- 
  Messrs. 
  

  

  BprJnget 
  and 
  st. 
  John. 
  

  

  l'n 
  ' 
  n.oin 
  re 
  i 
  m;i. 
  on 
  u.i 
  .mi 
  \v 
  i» 
  

  

  Pig. 
  90 
  O. 
  Mandibular 
  i">-torlor 
  tooth, 
  right 
  ramus. 
  \ 
  lew 
  fn 
  in 
  above, 
  outlini' 
  partially 
  

  

  restored: 
  H 
  b, 
  do., 
  tranaverae 
  profile 
  from 
  inner 
  margin 
  outline; 
  jo 
  r. 
  

  

  do., 
  outer 
  Inrolled 
  margin: 
  -"" 
  <l. 
  do., 
  outline 
  profile 
  from 
  antero-laterai 
  

  

  border: 
  I'pper 
  Coal 
  Measurea; 
  I 
  aSaOe, 
  Illinois. 
  Professor 
  Worthen. 
  

   Fig. 
  81 
  a 
  Maxillary 
  posterior 
  tooth, 
  right 
  ramus, 
  seen 
  from 
  above, 
  outline 
  rest. 
  • 
  

  

  ■ji 
  . 
  .!•■., 
  proflla 
  from 
  inner 
  margin; 
  -1 
  t 
  1' 
  ., 
  outer 
  inrolled 
  margin. 
  

  

  Same 
  formation, 
  locality 
  ■ 
  Professor 
  Worthen. 
  

  

  