﻿264 
  

  

  Forty-seventh 
  Report 
  on 
  the 
  State 
  Museum, 
  

  

  495' 
  

  

  21' 
  Darker, 
  brownish 
  to 
  nearly 
  black 
  fissile, 
  slightly 
  bitu- 
  

   minous, 
  shales, 
  with 
  thin 
  layers 
  of 
  light 
  blue 
  or 
  olive 
  shale 
  

   intercalated. 
  Toward 
  the 
  bottom 
  of 
  the 
  bed 
  the 
  lif 
  it 
  layers 
  

   disappear. 
  , 
  

  

  Fossils 
  occur 
  sometimes 
  in 
  thin 
  layers, 
  principally 
  in 
  the 
  

   darker 
  shales, 
  but 
  are 
  not 
  very 
  abundant. 
  

  

  JLiorhynchus 
  midticosta, 
  Goniatites 
  uniangularis, 
  Ambo- 
  

   coelia 
  umbonata, 
  Spirifer 
  mucronatus, 
  ModiomorpA 
  subalata, 
  

   JDunulicardium 
  fragile, 
  Pleurotomaria 
  rugulata, 
  and 
  a 
  few 
  

   plant 
  remains 
  were 
  collected. 
  

  

  