﻿v 
  rORK 
  ; 
  Ml 
  S! 
  

  

  >bable 
  thai 
  the 
  graptolfric 
  fauna 
  

  

  n 
  Bpreadii 
  Interior 
  <>f 
  th< 
  by 
  

  

  h 
  ban 
  id< 
  d 
  the 
  interior 
  con- 
  

  

  il 
  fauna 
  of 
  this 
  r 
  period] 
  from 
  the 
  

  

  val 
  Hudson". 
  This 
  combined 
  with 
  thi 
  iment 
  that 
  

  

  the 
  upper 
  or 
  tin 
  mna 
  has 
  not 
  been 
  found 
  to 
  the 
  i 
  

  

  7 
  ;! 
  ]\ 
  the 
  faunas 
  of 
  the 
  upp 
  and 
  

  

  inkfori 
  shales 
  to 
  the 
  Hudson 
  river 
  region. 
  Ti 
  - 
  

   • 
  Wakotl 
  the 
  upper 
  Utioa 
  is 
  re] 
  ed 
  by 
  the 
  fauna 
  

  

  I 
  by 
  Beecher 
  near 
  the 
  old 
  Dudley 
  observatory, 
  I 
  

   the 
  Frankfort 
  Bbales 
  or 
  of 
  the 
  lower 
  division 
  of 
  the 
  Lorra 
  

   formation 
  is 
  known 
  from 
  the 
  sua] 
  Ford, 
  and 
  in 
  

  

  upper 
  pari 
  of 
  the 
  former 
  or 
  the 
  I 
  pari 
  of 
  the 
  latl 
  

  

  kill 
  fauna 
  is 
  to 
  be 
  placed. 
  

   In 
  accordance 
  with 
  this 
  conception 
  of 
  the 
  divisions 
  of 
  the 
  Hud- 
  

   - 
  and 
  Bandf 
  in 
  the 
  Hudson 
  river 
  valley, 
  the 
  

  

  tn 
  " 
  Hudson 
  " 
  was 
  proposed 
  " 
  for 
  the 
  Beries 
  of 
  shales 
  between 
  

   the 
  Trenton 
  lim< 
  - 
  ind 
  the 
  superjacent 
  Upper 
  Silurian 
  roe! 
  

  

  I» 
  th 
  n 
  following 
  the 
  reading 
  of 
  this 
  paper 
  Prof. 
  Hall 
  

  

  jsed 
  his 
  full 
  concurrence 
  with 
  the 
  results 
  obtained 
  by 
  Mr 
  

  

  w 
  

  

  H. 
  M. 
  Ami 
  

  

  1 
  is 
  an 
  int 
  . 
  Pact 
  that, 
  as 
  e 
  d 
  again 
  from 
  this 
  pap 
  

  

  whenever 
  the 
  New 
  York 
  g 
  had 
  occasion 
  to 
  assign 
  the 
  

  

  •nans 
  kill 
  zone 
  in 
  the 
  series 
  of 
  the 
  New 
  York 
  rocks, 
  they 
  gave 
  

   position 
  within 
  or 
  above 
  the 
  dtica 
  terrane, 
  while 
  the 
  geolo- 
  

   a 
  NV, 
  "» 
  we 
  he 
  fauna 
  of 
  the 
  same 
  zone 
  in 
  Canada, 
  

  

  in 
  and 
  Lapworth, 
  invariably 
  placed 
  it 
  below 
  the 
  

   I 
  s 
  ittitud 
  e 
  two 
  schools 
  is 
  still 
  more 
  em- 
  

  

  phasized 
  by 
  tin- 
  i 
  adenl 
  of 
  the 
  graptolite 
  faun.- 
  da, 
  

  

  ffenrj 
  M. 
  An 
  

   Ami 
  inaK 
  esting 
  remarks: 
  

  

  Bition 
  to 
  the 
  rocks 
  of 
  Quebec 
  city 
  

  

  aes 
  in 
  America, 
  it 
  is 
  necessai 
  he 
  writer 
  

  

  b 
  far 
  he 
  has 
  been 
  unable 
  to 
  find 
  any 
  evidence 
  in 
  

  

  - 
  aphic 
  or 
  paleontologic, 
  whereby 
  the 
  

  

  Hu 
  ' 
  a 
  sod 
  Lorraine 
  shales, 
  as 
  originally 
  understood 
  

  

  