﻿I 
  .ii. 
  XJ 
  — 
  Contin 
  

  

  Platu, 
  

  

  DELTODOPSIS 
  EX0UNA1' 
  91 
  r 
  . 
  and 
  W 
  

  

  Fig. 
  H 
  l. 
  " 
  ... 
  r)«ht 
  ruinus. 
  view 
  

  

  posterior 
  bo: 
  . 
  

  

  lateral 
  border. 
  Warsaw: 
  above 
  Alton. 
  Mr. 
  Van 
  Borne. 
  

  

  .15. 
  Deltodopsi- 
  

  

  I:-.!". 
  -j. 
  M 
  !: 
  Ubolar 
  median 
  tooth, 
  loft 
  raaui- 
  to., 
  transverse 
  

  

  l-rollle 
  from 
  inner 
  mark-in; 
  i 
  m 
  the 
  ou 
  - 
  io.. 
  

  

  inferior 
  surface; 
  ro- 
  

  

  lateral 
  border. 
  L*. 
  Burlington; 
  Loul6a 
  count 
  I 
  jha. 
  

  

  Fig.16. 
  1'. 
  :;l. 
  ::i 
  :.. 
  S-. 
  J. 
  .m 
  i 
  W 
  1«9 
  

  

  Fit;, 
  ion. 
  ...in 
  tooUi. 
  left 
  ramus, 
  samo 
  views 
  as 
  a> 
  

  

  Keokuk 
  limestone. 
  

   Fin- 
  1". 
  IT 
  a. 
  MaudlbuUirmeilian 
  

  

  17 
  . 
  do., 
  from 
  innor 
  aiurgu.. 
  anter 
  '-lateral 
  border. 
  t>as-al 
  rim 
  

  

  ) 
  in 
  outline. 
  I". 
  Burlington; 
  Louisa 
  county. 
  1 
  

   A(ji 
  ^ 
  ..Fig. 
  K 
  iibular 
  median 
  :rom 
  

  

  above: 
  18 
  6, 
  do., 
  transverse 
  profile 
  from 
  Inner 
  margin: 
  18 
  c, 
  do,, 
  oal 
  

  

  extremity; 
  li 
  J. 
  do., 
  inferior 
  surf- 
  .intero- 
  and 
  postero-lntvral 
  

  

  borders. 
  tJ. 
  B.: 
  Louita 
  county, 
  lows, 
  O. 
  St. 
  J. 
  

  

  