﻿Plate 
  o 
  

  

  Figures 
  not 
  otherwise 
  noted 
  natural 
  size 
  

  

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   MYELODACTYLUS 
  NODOSARIUS 
  Hall 
  ___ 
  20 
  

  

  Fro. 
  1. 
  One 
  of 
  Hall's 
  types 
  (Pal. 
  N. 
  Y.. 
  vol. 
  .",. 
  pi. 
  5. 
  fig. 
  5), 
  showing 
  the 
  

   great 
  size 
  of 
  the 
  ponderous 
  cirri 
  compared 
  with 
  the 
  smaller 
  

   stem, 
  and 
  the 
  bulbous 
  terminal 
  at 
  distal 
  end. 
  seen 
  from 
  outer 
  

   side 
  of 
  curve. 
  

  

  2. 
  A 
  similar 
  specimen 
  in 
  which 
  the 
  terminal 
  bulb 
  ends 
  in 
  a 
  point. 
  

  

  3. 
  Another 
  type 
  (idem. 
  pi. 
  6, 
  tig. 
  1 
  I. 
  seen 
  from 
  inner 
  side 
  of 
  curve, 
  

  

  showing 
  the 
  full 
  length 
  of 
  cirri 
  swollen 
  in 
  the 
  middle. 
  

  

  4. 
  Specimen 
  showing 
  still 
  greater 
  swelling 
  of 
  the 
  cirri. 
  

  

  5. 
  Specimen 
  showing 
  considerable 
  length 
  of 
  the 
  cirrus-bearing 
  part 
  

  

  of 
  the 
  stem. 
  

   0. 
  Distal 
  end 
  of 
  stem, 
  showing 
  relative 
  size 
  of 
  terminal 
  bulb, 
  and 
  

  

  first 
  cirrals. 
  Author's 
  collection. 
  

   7. 
  The 
  same 
  structures 
  with 
  addition 
  of 
  several 
  cirri, 
  showing 
  small 
  

  

  size 
  of 
  first 
  cirrals. 
  

   S. 
  Inner 
  side 
  at 
  distal 
  end, 
  showing 
  terminal 
  bulb, 
  small 
  size 
  of 
  

  

  stem 
  and 
  mode 
  of 
  attachment 
  of 
  cirri. 
  Collection 
  Yale 
  

  

  University. 
  

  

  Helderhergian. 
  New 
  Scotland 
  formation; 
  Schoharie 
  County. 
  

  

  New 
  York. 
  All 
  the 
  specimens 
  not 
  otherwise 
  noted 
  are 
  in 
  the 
  

  

  New 
  York 
  State 
  Museum. 
  Albany. 
  

  

  MYELODACTYLUS 
  SCHUCHERTI, 
  new 
  species__ 
  21 
  

  

  Fig. 
  II. 
  The 
  only 
  specimen, 
  with 
  both 
  distal 
  and 
  proximal 
  portions 
  

   broken 
  off. 
  leaving 
  one 
  coil 
  of 
  the 
  main, 
  erescentic 
  region 
  of 
  

   the 
  stem, 
  followed 
  by 
  the 
  reverse 
  curve, 
  and 
  the 
  very 
  robust 
  

   proximal 
  neck; 
  several 
  cirri 
  are 
  in 
  place, 
  paired 
  on 
  successive 
  

   columnals. 
  X 
  2. 
  

   9a. 
  Reverse 
  side 
  of 
  same, 
  showing 
  the 
  same 
  structures. 
  Note 
  The 
  

   peculiar 
  arrangement 
  of 
  columnals 
  in 
  the 
  exposed 
  part 
  of 
  the 
  

   proximal 
  neck. 
  X 
  2. 
  

  

  db. 
  9c. 
  l»etails 
  of 
  columnals 
  in 
  the 
  part 
  of 
  the 
  neck- 
  towards 
  the 
  calyx: 
  

   side 
  and 
  top 
  views, 
  further 
  enlarged. 
  X 
  G. 
  

  

  Helderbergian, 
  Linden 
  formation: 
  Benton 
  County, 
  Ten- 
  

   tiessee. 
  Coll. 
  U. 
  S. 
  National 
  .Museum. 
  

  

  101 
  

  

  