﻿1 
  88 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  PLATE 
  9 
  

  

  Clionolithes 
  priscus 
  (McCoy). 
  A 
  specimen 
  of 
  

   Leptostrophia 
  magnifica 
  Hall, 
  from 
  the 
  

   Grande 
  Greve 
  limestone 
  (Lower 
  Devonic) 
  of 
  Gaspe* 
  with 
  

   several 
  straight 
  clavate 
  tubes 
  extending 
  in 
  from 
  the 
  margin 
  

   of 
  the 
  shell. 
  Where 
  the 
  shell 
  substance 
  has 
  disappeared 
  

   at 
  the 
  right 
  of 
  the 
  specimen 
  are 
  seen 
  numerous 
  examples 
  

   of 
  the 
  branched 
  boring, 
  Clionolithes 
  radicans. 
  

  

  Clionolithes 
  radicans. 
  An 
  etched 
  specimen 
  of 
  

   an 
  old 
  shell 
  of 
  the 
  brachiopod 
  Dalmanella 
  super- 
  

   s 
  t 
  e 
  s 
  H. 
  & 
  C. 
  of 
  the 
  Chemung 
  shales 
  of 
  New 
  York 
  with 
  

   a 
  multitude 
  of 
  irregularly 
  branching 
  borings 
  riddling 
  the 
  

   shell 
  and 
  apparently 
  starting 
  inward 
  from 
  the 
  shell 
  margin. 
  

   x 
  8 
  

  

  