﻿REPORT 
  OF 
  THE 
  DIRECTOR 
  I912 
  3 
  1 
  

  

  of 
  New 
  York. 
  The 
  work 
  has 
  now 
  been 
  completed 
  and 
  issued. 
  

   It 
  is 
  the 
  summation 
  of 
  many 
  years 
  of 
  labor 
  in 
  the 
  acquisition 
  and 
  

   study 
  of 
  this 
  interesting 
  extinct 
  group 
  of 
  animals, 
  which, 
  by 
  vir- 
  

   tue 
  of 
  their 
  abundance 
  and 
  variety 
  in 
  the 
  rocks 
  of 
  New 
  York, 
  

   form 
  one 
  of 
  the 
  very 
  striking 
  features 
  of 
  its 
  paleontology. 
  This 
  

   memoir 
  is 
  presented 
  in 
  two 
  volumes, 
  one 
  of 
  text 
  and 
  one 
  of 
  

   plates, 
  the 
  pages 
  numbering 
  628 
  and 
  the 
  plates 
  88. 
  A 
  conception 
  

   of 
  the 
  contents 
  of 
  the 
  memoir 
  is 
  conveyed 
  by 
  its 
  table 
  of 
  con- 
  

   tents 
  : 
  

  

  Volume 
  1 
  

  

  PAGE 
  PAGE 
  

  

  Preface 
  5 
  Eurypterida 
  III 
  C 
  Geological 
  

  

  Introduction 
  : 
  distribution 
  in 
  other 
  

  

  History 
  of 
  investigations... 
  13 
  countries 
  94 
  

  

  Eurypterida 
  I 
  Morphology, 
  an- 
  D 
  Bionomy 
  of 
  the 
  eurypterid 
  

  

  atomy, 
  and 
  terminology 
  23 
  faunas 
  96 
  

  

  II 
  Mode 
  of 
  life 
  71 
  iV 
  Ontogeny 
  113 
  

  

  III 
  Geological 
  distribution 
  and 
  V 
  Phylogeny 
  124 
  

  

  bionomic 
  relations 
  .... 
  85 
  VI 
  Taxonomic 
  relations 
  135 
  

  

  A 
  Conspectus 
  of 
  American 
  VII 
  Synoptic 
  table 
  of 
  North 
  

  

  species 
  arranged 
  ac- 
  American 
  Eurypterida. 
  149 
  

  

  cording 
  to 
  their 
  geo- 
  VIII 
  Systemic 
  account 
  of 
  the 
  

  

  logical 
  occurrence 
  85 
  Eurypterida 
  152 
  

  

  B 
  Biologic 
  facies 
  of 
  the 
  Eurypteridae 
  152 
  

  

  eurypterid 
  faunas 
  .... 
  90 
  Pterygotidae 
  329 
  

  

  Appendix 
  385 
  

  

  Bibliography 
  432 
  

  

  Volume 
  2 
  

  

  PAGE 
  PAGE 
  

  

  Explanations 
  of 
  plates 
  441 
  Index 
  617 
  

  

  In 
  last 
  year's 
  report 
  a 
  brief 
  notice 
  was 
  given 
  of 
  an 
  extraordi- 
  

   nary 
  section 
  of 
  the 
  Siluric 
  rocks 
  on 
  the 
  Bay 
  of 
  Chaleur, 
  at 
  Black 
  

   Cape. 
  Previous 
  to 
  this 
  account, 
  only 
  very 
  brief 
  notice 
  had 
  been 
  

   taken 
  of 
  this 
  place 
  in 
  the 
  geological 
  reconnaissance 
  of 
  that 
  re- 
  

   gion, 
  but 
  as 
  this 
  section 
  proves 
  to 
  be 
  one 
  of 
  the 
  extraordinary 
  

   developments 
  of 
  the 
  Siluric 
  system, 
  attaining 
  a 
  thickness 
  of 
  de- 
  

   position 
  perhaps 
  not 
  elsewhere 
  equaled, 
  it 
  seemed 
  very 
  desirable 
  

   to 
  have 
  a 
  more 
  exact 
  examination 
  of 
  it 
  made. 
  With 
  the 
  consent 
  

   and 
  substantial 
  support 
  of 
  the 
  director 
  of 
  the 
  Geological 
  Survey 
  

   of 
  Canada, 
  C. 
  A. 
  Hartnagel 
  of 
  this 
  staff 
  was 
  detailed 
  to 
  this 
  work. 
  

  

  Black 
  Cape 
  lies 
  on 
  the 
  north 
  shore 
  of 
  the 
  Bay 
  of 
  Chaleur, 
  seventy 
  

   miles 
  east 
  of 
  Matapedia 
  and 
  directly 
  east 
  of 
  the 
  valleys 
  of 
  the 
  Grand 
  

  

  