﻿Plate 
  11 
  

  

  All 
  figures 
  natural 
  size 
  

  

  Page. 
  

   DICHOCRINUS 
  PENDENS 
  Wachsmutli 
  and 
  Springer 
  30 
  

  

  Fig. 
  1. 
  The 
  holotype, 
  figured 
  in 
  Xorth 
  American 
  Crinoidea 
  Camerata, 
  

   pi. 
  78, 
  fig. 
  15; 
  showing 
  the 
  relation 
  of 
  calyx, 
  pendent 
  anus. 
  

   pinnules, 
  and 
  .stem. 
  

  

  2. 
  Another 
  specimen, 
  showing 
  form 
  of 
  calyx, 
  with 
  the 
  arms 
  mostly 
  

  

  removed. 
  

  

  3. 
  A 
  specimen 
  with 
  calyx 
  completely 
  enveloped 
  by 
  arms 
  bent 
  hack- 
  

  

  ward 
  upon 
  the 
  stem; 
  pinnules 
  at 
  the 
  outside. 
  

  

  4. 
  Specimen 
  with 
  complete 
  stem 
  and 
  branching 
  root; 
  no 
  cirri. 
  

  

  Upper 
  Burlington 
  limestone: 
  Burlington, 
  Iowa. 
  

  

  DICHOCRINUS 
  OBLONGUS 
  Wachsmuth 
  and 
  Springer— 
  40 
  

  

  Fig. 
  . 
  r 
  ). 
  The 
  holotype, 
  calyx 
  only, 
  figured 
  in 
  North 
  American 
  Crinoidea 
  

   < 
  !amerata, 
  pi. 
  78, 
  fi?. 
  9. 
  

   (i. 
  A 
  specimen 
  discovered 
  since 
  the 
  original 
  description, 
  showing 
  the 
  

   pendent 
  arms. 
  

  

  Warsaw 
  limestone; 
  Spergen 
  Hill. 
  Indiana. 
  

   DICHOCRINUS 
  cf. 
  ANGUSTUS 
  White 
  ___ 
  30 
  

  

  Fig. 
  7. 
  A 
  specimen 
  with 
  long 
  stem 
  bul 
  lacking 
  the 
  arms: 
  having 
  ex- 
  

   tremely 
  long 
  curri. 
  enveloping 
  the 
  small 
  calyx 
  in 
  an 
  upward 
  

   direction. 
  

   Upper 
  Burlington 
  limestone; 
  Burlington, 
  Iowa. 
  

  

  114 
  

  

  