﻿Report 
  of 
  the 
  State 
  Geologist. 
  

  

  263 
  

  

  467' 
  

  

  476' 
  

  

  478' 
  

  

  9' 
  Dark 
  blue 
  slightly 
  pyritiferous 
  shales. 
  

   Fossils 
  fairly 
  abundant. 
  

   Cryphceus 
  JBoothi 
  quite 
  common. 
  

  

  Many 
  specimens 
  of 
  orthoceratites 
  in 
  pyrite 
  occur 
  ; 
  and 
  

   several 
  species 
  of 
  coral 
  were 
  collected. 
  

  

  2' 
  Concretionary 
  layer, 
  with 
  silicified 
  fossils. 
  Ambocoelia 
  

   umbonata, 
  Spirifer 
  audaeulus, 
  Athyris 
  spirifer 
  oides, 
  Loxo- 
  

   nema 
  Hamiltonice. 
  Corals. 
  

  

  17' 
  Blue 
  shales, 
  quite 
  hard, 
  calcareous, 
  with 
  occasional 
  

   small 
  concretions 
  in 
  the 
  upper 
  part 
  of 
  the 
  bed, 
  which 
  usually 
  

   contain 
  gasteropods 
  and 
  a 
  few 
  other 
  fossils. 
  In 
  the 
  shales 
  

   fossils 
  are 
  quite 
  abundant, 
  some 
  of 
  the 
  most 
  noticeable 
  forms 
  

   being 
  Phacops 
  rana, 
  Orthoceras 
  Oedipus, 
  0. 
  nuntium, 
  Goni- 
  

   atites 
  Vanuxemi 
  (?), 
  Bellerophon 
  Leda, 
  Pleurotomaria 
  Imcina, 
  

   Loxonema 
  Hamiltonice, 
  Gypricardella 
  bellistriata, 
  Modio- 
  

   morpha 
  mytiloides, 
  Actinopteria 
  decussata, 
  Palmoneilo 
  con- 
  

   stricta, 
  Plethomytilus 
  oviformis, 
  X/unulicardium 
  fragile, 
  

   Tropidoleptus 
  carinatus, 
  Chonetes 
  lepida, 
  Ambocoelia 
  umbo- 
  

   nata, 
  Orbiculoidea 
  media, 
  Athyris 
  spirifer 
  oides, 
  Productella 
  

   spinulicosta, 
  Stropheodonta 
  perplana, 
  Spirifer 
  mucronatus, 
  

   Pholidops 
  Hamiltonim, 
  and 
  a 
  few 
  corals. 
  

  

  