﻿CONTENTS 
  

  

  PAGE 
  

  

  Preface 
  6 
  

  

  Introduction 
  — 
  Niagara 
  falls 
  and 
  how 
  to 
  see 
  them 
  7 
  

  

  Views 
  from 
  the 
  New 
  York 
  side 
  9 
  

  

  Views 
  from 
  the 
  Canadian 
  side 
  12 
  

  

  The 
  gorge 
  below 
  the 
  falls 
  14 
  

  

  Fossiliferous 
  sections 
  16 
  

  

  Ch. 
  I 
  Physical 
  geography 
  of 
  the 
  Niagara 
  region 
  25 
  

  

  Development 
  of 
  the 
  Paleozoic 
  coastal 
  plain 
  31 
  

  

  Development 
  of 
  the 
  drainage 
  features 
  37 
  

  

  Ch. 
  2 
  Life 
  history 
  of 
  Niagara 
  falls 
  55 
  

  

  Glacial 
  period 
  55 
  

  

  Lacustrine 
  period 
  57 
  

  

  Fluvial 
  period 
  66 
  

  

  Age 
  of 
  Niagara 
  82 
  

  

  Ch. 
  3 
  Stratigraphy 
  of 
  the 
  Niagara 
  region 
  86; 
  

  

  Oswego 
  sandstone 
  Sy 
  

  

  Medina 
  sandstones 
  and 
  shales 
  87 
  

  

  Clinton 
  beds 
  95 
  

  

  Rochester 
  shale 
  102 
  

  

  Lockport 
  (Niagara) 
  limestone 
  . 
  . 
  . 
  105 
  

  

  Guelph 
  dolomite 
  114 
  

  

  Salina 
  beds 
  114 
  

  

  Rondout 
  waterlime 
  115 
  

  

  Manlius 
  limestone 
  , 
  116 
  

  

  The 
  Siluro-Devonic 
  contact 
  117 
  

  

  Devonic 
  strata 
  120 
  

  

  History 
  of 
  the 
  Niagara 
  region 
  during 
  Siluric 
  time 
  121 
  

  

  Ch. 
  4 
  Fossils 
  of 
  the 
  Niagara 
  region 
  130 
  

  

  Plants 
  130 
  

  

  Animals 
  133 
  

  

  Distribution 
  of 
  fossils 
  in 
  the 
  Siluric 
  beds 
  232 
  

  

  Ch. 
  5 
  Post-pliocene 
  fossils 
  of 
  the 
  Niagara 
  river 
  gravels, 
  by 
  

  

  Elizabeth 
  J. 
  Letson 
  238 
  

  

  Appendix 
  

  

  Bibliography 
  of 
  the 
  geology 
  of 
  Niagara 
  and 
  the 
  Great 
  

  

  lakes 
  253 
  

  

  Glossary 
  263 
  

  

  Index 
  276 
  

  

  