﻿INDEX 
  TO 
  PLATES 
  IN 
  GEOLOGIC 
  ORDER 
  

  

  259 
  

  

  PLATE 
  FACING 
  PAGE 
  

  

  LV. 
  Niagara 
  Go.ge 
  below 
  tbe 
  Suspension 
  Bridge, 
  Niagara 
  county. 
  

  

  View 
  from 
  the 
  Canadian 
  side 
  154 
  

  

  LVI. 
  Niagara 
  Groups, 
  Medina, 
  Clinton 
  and 
  ; 
  Niagara 
  River 
  Gorge 
  

  

  from 
  the 
  Suspension 
  Bridge, 
  looking 
  north 
  154 
  

  

  LVII. 
  Outlet 
  of 
  the 
  Whirlpool, 
  Niagara 
  Kiver, 
  Niagara 
  county. 
  

  

  View 
  northward 
  from 
  the 
  Canadian 
  shore 
  154 
  

  

  LVIII. 
  Niagara 
  Group, 
  Upper 
  Falls 
  of 
  the 
  Genesee 
  River, 
  Rochester, 
  

  

  Monroe 
  couoty 
  154 
  

  

  LIX. 
  Niagara 
  Group, 
  Gorge 
  of 
  the 
  Genesee 
  River 
  below 
  the 
  Upper 
  

  

  Falls, 
  Rochester, 
  Monroe 
  county 
  154 
  

  

  LX. 
  Niagara 
  River, 
  Niagara 
  county. 
  View 
  from 
  bluff 
  near 
  Lewis- 
  

   ton, 
  looking 
  north 
  154 
  

  

  LXI. 
  Upper 
  Silurian 
  Rocks 
  in 
  road 
  cut 
  near 
  Howe's 
  Cave, 
  Scho- 
  

   harie 
  county 
  154 
  

  

  Li^II. 
  Clinton 
  and 
  Salina 
  Groups 
  in 
  West 
  Bank 
  of 
  Rondout 
  Creek, 
  

  

  High 
  Falls, 
  Ulster 
  county 
  154 
  

  

  LXIII. 
  Clinton 
  Beds 
  at 
  High 
  Falls, 
  Ulster 
  county, 
  Arch 
  in 
  Salina 
  and 
  154 
  

   LXIV. 
  Quarry 
  of 
  the 
  Cummings 
  Cement 
  Co., 
  Akron, 
  Erie 
  county- 
  -. 
  156 
  

   LXV. 
  Waterlime 
  Group, 
  Old 
  Mine 
  of 
  the 
  Newark 
  Cement 
  Co., 
  

  

  Rondout, 
  Ulster 
  county 
  156 
  

  

  LXVI. 
  Waterlime 
  Group, 
  Ulster 
  county 
  ; 
  High 
  Falls 
  of 
  Rondout 
  

  

  Creek, 
  over 
  Cement 
  Beds 
  of 
  tbe 
  156 
  

  

  LXVII. 
  Helderberg 
  Escarpment, 
  West 
  Mountain, 
  Schoharie, 
  from 
  a 
  

  

  photograph 
  by 
  N. 
  H. 
  Darton 
  158 
  

  

  LXVIII. 
  Lower 
  Helderberg 
  Limestone, 
  Sink 
  in 
  the; 
  west 
  of 
  Cox- 
  

  

  sackie, 
  Greene 
  county 
  158 
  

  

  LXIX. 
  Lower 
  Helderberg 
  Limestone, 
  interior 
  of 
  Howe's 
  Cave, 
  

   Schoharie 
  county, 
  showing 
  Subterranean 
  Stream, 
  Stalac- 
  

   tites, 
  etc 
  158 
  

  

  LXX, 
  Lower 
  Pentamerus 
  Limestone, 
  Cliff 
  of; 
  near 
  Indian 
  Ladder, 
  

  

  Albany 
  county 
  158 
  

  

  ex. 
  Lower 
  Helderberg 
  Limestone, 
  Quarry 
  in 
  the; 
  South 
  Bethle- 
  

   hem, 
  Albany 
  county 
  206 
  

  

  CXV. 
  Waterlime 
  Group, 
  Interior 
  View 
  of 
  Cement 
  Mine 
  at 
  Rosen- 
  

   dale, 
  Ulster 
  county 
  222 
  

  

  CXVI. 
  Waterlime 
  Group, 
  Cement 
  Quarries, 
  one^mile 
  south 
  of 
  White- 
  

   port, 
  Ulster 
  county 
  222 
  

  

  CXVIL 
  Buffalo 
  Cement 
  Co., 
  Buffalo, 
  Erie 
  county. 
  Quarry 
  of 
  the 
  222 
  

  

  CXVIII. 
  Lower 
  Pentamerus 
  and 
  Tentaculite 
  Limestone, 
  Quarry 
  in: 
  

  

  Howe's 
  Cave, 
  Schoharie 
  county 
  222 
  

  

  CXVIIL 
  Tentaculite 
  Limestone, 
  Quarry 
  in 
  Lower 
  Pentamerus 
  and 
  ; 
  

  

  Howe's 
  Cave, 
  Schoharie 
  county 
  222 
  

  

  CXIX. 
  Quarries 
  of 
  the 
  Buffalo 
  Cement 
  Co., 
  Buffalo, 
  Erie 
  county 
  222 
  

  

  