﻿AND 
  AVES 
  OF 
  NORTH 
  AMERICA. 
  

  

  243 
  

  

  CONCLUSION. 
  

  

  Syoiopsis 
  of 
  Species 
  tcith 
  their 
  StratigrapMcal 
  Positions. 
  

  

  w 
  

  

  a 
  

  

  g 
  

  

  & 
  

   o 
  

  

  a 
  

  

  

  

  o 
  

  

  SO 
  

  

  o 
  

   o 
  

  

  o 
  

  

  a 
  

   a 
  

  

  o 
  

   a 
  

  

  Q 
  

  

  O 
  

  

  on 
  

  

  O 
  

  

  © 
  

  

  BATRACHIA. 
  

  

  Foot 
  prints, 
  

  

  Amphibamus 
  grandiceps, 
  Cope, 
  . 
  . 
  . 
  

  

  Pelion 
  lyellii, 
  Wyman, 
  

  

  Hylonomus 
  wymanii, 
  Dawson, 
  

  

  Do. 
  aciedentatus, 
  Dawson, 
  . 
  

  

  Do. 
  lyellii, 
  Dawson, 
  

  

  Pariostegus 
  myops, 
  Cope, 
  

  

  Dendrerpeton 
  acadiannm, 
  Owen, 
  . 
  . 
  

  

  Do. 
  owenii, 
  Dawson, 
  

  

  Do. 
  obtusum, 
  Cope, 
  

  

  Hylerpeton 
  dawsonii, 
  Owen, 
  

  

  Bracbydectes 
  newberryi, 
  Cope,. 
  . 
  . 
  . 
  

  

  Sauropleura 
  digitata, 
  Cope, 
  

  

  Oestocepbalus 
  pectinatus, 
  Cope, 
  . 
  . 
  . 
  

  

  Do. 
  remex, 
  Cope, 
  

  

  Molgopbis 
  macrurus, 
  Cope, 
  

  

  Colosteus 
  crassiscutatus, 
  Cope, 
  . 
  . 
  . 
  

  

  Do. 
  foveatus, 
  Cope, 
  

  

  Do. 
  marshii, 
  Cope, 
  

  

  Dictyocepbalus 
  elegans, 
  Leidy, 
  . 
  . 
  . 
  

  

  Eupelor 
  durus, 
  Cope, 
  

  

  Bapbetes 
  planiceps, 
  Owen, 
  , 
  

  

  Do. 
  minor, 
  Dawson, 
  

  

  REPTILIA. 
  

  

  Eosanrus 
  acadianus, 
  Marsb, 
  

  

  Icbtbyosaurus 
  grandis, 
  Leidy, 
  

  

  Elasmosaurus 
  platyurus, 
  Cope, 
  

  

  Do. 
  orientabs, 
  Cope, 
  

  

  Cimoliasaurus 
  magnus, 
  Leidy, 
  ...... 
  

  

  Do. 
  ?vetustus, 
  Leidy, 
  

  

  Do. 
  grandis, 
  Leidy, 
  

  

  Polycotylus 
  latipinnis, 
  Cope, 
  

  

  Iscbyrosaurus 
  antiquus, 
  Leidy, 
  

  

  Plesiosaurus 
  lockwoodii, 
  Cope, 
  

  

  Piratosaurus 
  plicatus, 
  Leidy, 
  

  

  Belodon 
  carobnensis, 
  Emmons, 
  . 
  . 
  

  

  Do. 
  priscus, 
  Leidy, 
  

  

  Do. 
  Leaii, 
  Emmons, 
  

  

  Do. 
  lepturus, 
  Cope, 
  

  

  Mosasaurus 
  maximus, 
  Cope, 
  

  

  Do. 
  dekayi, 
  Bronn, 
  , 
  

  

  fulciatus, 
  Cope, 
  

  

  oartbrus, 
  Cope, 
  

  

  copeanus, 
  Marsb, 
  

  

  missuriensis, 
  Harlan, 
  

  

  brumbyi, 
  Gibbes, 
  

  

  minor, 
  Gibbes, 
  

  

  crassidens, 
  Marsb, 
  

  

  depressus, 
  Cope, 
  

  

  Platecarpus 
  tympaniticus, 
  Cope, 
  . 
  . 
  . 
  

  

  Liodon 
  lsevis, 
  Owen, 
  

  

  Do. 
  proriger, 
  Cope, 
  

  

  Do. 
  validns, 
  Cope, 
  

  

  Do. 
  mitcbillii, 
  Dekay, 
  

  

  Do. 
  congrops, 
  Cope, 
  

  

  Baptosaurus 
  platyspondylus, 
  Marsb, 
  

  

  Do. 
  fraternus, 
  Marsb, 
  

  

  Clidastes 
  iguanavus, 
  Cope, 
  

  

  Do. 
  intennedius, 
  Leidy, 
  

  

  Do. 
  propython, 
  Cope, 
  

  

  Holcodus 
  acutidens, 
  Gibbes, 
  

  

  Do. 
  

   Do. 
  

   Do. 
  

   Do. 
  

   Do. 
  

   Do. 
  

   Do. 
  

   Do. 
  

  

  * 
  

   # 
  

   * 
  

   * 
  

   * 
  

   * 
  

  

  * 
  

   # 
  

  

  * 
  

   * 
  

   * 
  

  

  # 
  

   * 
  

   * 
  

   * 
  

   * 
  

   * 
  

   * 
  

   * 
  

   * 
  

  

  * 
  

   * 
  

   * 
  

   * 
  

   * 
  

   * 
  

   * 
  

   * 
  

  

  # 
  

   # 
  

  

  * 
  

   * 
  

  

  * 
  

   * 
  

   * 
  

   * 
  

  

  * 
  

  

  240 
  

  

  8 
  

  

  9 
  

  

  9 
  

  

  9 
  

  

  9 
  

  

  10 
  

  

  13 
  

  

  13 
  

  

  12 
  

  

  13 
  

  

  14 
  

  

  16 
  

  

  20 
  

  

  17 
  

  

  21 
  

  

  23 
  

  

  24 
  

  

  24 
  

  

  25 
  

  

  25 
  

  

  25 
  

  

  30 
  

  

  29 
  

  

  47 
  

  

  55 
  

  

  43 
  

  

  42 
  

  

  43 
  

  

  36 
  

  

  39 
  

  

  40 
  

  

  56 
  

  

  59 
  

  

  59 
  

  

  59 
  

  

  59 
  

  

  189 
  

  

  193 
  

  

  194 
  

  

  196 
  

  

  198 
  

  

  195 
  

  

  198 
  

  

  198 
  

  

  198 
  

  

  196 
  

  

  200 
  

  

  205 
  

  

  202 
  

  

  207 
  

  

  205 
  

  

  206 
  

  

  209 
  

  

  210 
  

  

  220 
  

  

  221 
  

  

  221 
  

  

  210 
  

  

  