﻿

  

  ior 
  ■■ 
  MB 
  

  

  i 
  Identalis? 
  

  

  parvus. 
  

  

  

  

  rellil 
  

  

  propinquue 
  

  

  trilobus 
  

  

  Deltodopais 
  

  

  afflnla 
  

  

  angustus 
  

  

  convolutus 
  '' 
  ' 
  

  

  oxon 
  

  

  

  

  ras 
  >' 
  ~ 
  

  

  BtLudoviol 
  ''•' 
  

  

  Deltoptychlue 
  

  

  

  

  nitidus 
  

  

  primus 
  

  

  Varnoviensis 
  

  

  w 
  aensmuthi 
  

  

  Dontuliiim. 
  

  

  n 
  

  

  96 
  

  

  ■ 
  

  

  m 
  

  

  Illinoiensis 
  

  

  in 
  limestone. 
  In 
  Bock 
  la 
  

  

  Diagram 
  Illustrating; 
  the 
  BtratigraphloaJ 
  distribution, 
  ;m.i 
  ttai 
  '■'-•r* 
  

  

  of 
  Oouhliodontfl 
  

  

  Dichocrinus 
  

  

  anus 
  

  

  Hamiltonensis 
  

  

  Dimension 
  Btone 
  for 
  thi 
  i 
  

  

  

  

  

  

  ma 
  

  

  Drain 
  tile 
  

  

  Dropiiimi-anthus. 
  

  

  Eehinodermata 
  

  

  Iv'liin 
  

  

  : 
  

  

  Edge* 
  rdof.. 
  

   Effingham 
  oounty. 
  ooal 
  In. 
  

   Elmaorlnus 
  

  

  angularis 
  

  

  elegans.. 
  

  

  luoina 
  ... 
  

  

  iiH'limiformiA 
  

  

  

  

  fan 
  

   Eunetnaoantb.ua.. 
  

  

  • 
  HIS.... 
  

  

  M 
  

  

  HI 
  

   1 
  

  

  M 
  

   M 
  

   M 
  

  

  :"f. 
  

  

  .1 
  in 
  

   i 
  

  

  < 
  

  

  