﻿CONTENTS. 
  

  

  PAGE. 
  

  

  Letter 
  of 
  /transmission 
  3 
  

  

  Table 
  of 
  contents 
  5 
  

  

  Report 
  of 
  director 
  9 
  

  

  Report 
  of 
  assistant 
  director 
  21 
  

  

  Report 
  of 
  assistant 
  zoologist 
  30 
  

  

  Additions 
  to 
  the 
  collections 
  35 
  

  

  World's 
  Columbian 
  exposition 
  exhibit 
  41 
  

  

  New 
  York 
  mammals 
  44 
  

  

  Land 
  and 
  fresh- 
  water 
  shells 
  49 
  

  

  Catalogue 
  of 
  collections 
  in 
  museum 
  77 
  

  

  Report 
  of 
  the 
  state 
  botanist 
  129 
  

  

  Plants 
  added 
  to 
  herbarium 
  138 
  

  

  Contributors 
  and 
  contributions 
  140 
  

  

  Species 
  not 
  before 
  reported. 
  . 
  , 
  142 
  

  

  Remarks 
  and 
  observations 
  153 
  

  

  Fungi 
  represented 
  at 
  Columbian 
  exposition 
  169 
  

  

  List 
  of 
  fungi 
  inhabiting 
  wood 
  or 
  bark 
  of 
  coniferous 
  forest 
  trees 
  172 
  

  

  Report 
  of 
  the 
  state 
  entomologist 
  175 
  

  

  Index 
  to 
  report 
  for 
  1886 
  , 
  193 
  

  

  Report 
  of 
  the 
  State 
  Geologist 
  201 
  

  

  The 
  Livonia 
  Salt 
  Shaft, 
  its 
  History 
  and 
  Geological 
  Relations 
  ; 
  by 
  James 
  

  

  Hall 
  205 
  

  

  Report 
  on 
  the 
  Geology 
  of 
  the 
  Livonia 
  Salt 
  Shaft 
  ; 
  by 
  D. 
  D. 
  Luther 
  217 
  

  

  The 
  Succession 
  of 
  the 
  Fossil 
  Faunas 
  in 
  the 
  Section 
  of 
  the 
  Livonia 
  Salt 
  

  

  Shaft 
  ; 
  by 
  J. 
  M. 
  Clarke 
  325 
  

  

  New 
  or 
  rare 
  Species 
  of 
  Fossils 
  from 
  the 
  Horizons 
  of 
  the 
  Livonia 
  Salt 
  

  

  Shaft 
  ; 
  by 
  J. 
  M. 
  Clarke 
  353 
  

  

  Geological 
  Survey 
  of 
  the 
  State 
  of 
  New 
  York 
  385 
  

  

  Report 
  on 
  the 
  Helderberg 
  limestones 
  ; 
  by 
  N. 
  H. 
  Darton 
  391 
  

  

  Report 
  on 
  the 
  Geology 
  of 
  Albany 
  county 
  ; 
  by 
  N. 
  H. 
  Darton 
  423 
  

  

  The 
  Economic 
  Geology 
  of 
  Albany 
  county 
  ; 
  by 
  F. 
  L. 
  Nason 
  457 
  

  

  Report 
  on 
  the 
  Geology 
  of 
  Ulster 
  county 
  ; 
  by 
  N. 
  H. 
  Darton 
  483 
  

  

  Economic 
  Geology 
  of 
  UJster 
  county 
  ; 
  by 
  F. 
  L. 
  Nason 
  567 
  

  

  Geology 
  of 
  the 
  Mohawk 
  Valley 
  ; 
  by 
  N. 
  H. 
  Darton 
  601 
  

  

  Report 
  on 
  the 
  Geology 
  of 
  Essex 
  county 
  ; 
  by 
  J. 
  F. 
  Kemp 
  625 
  

  

  Report 
  on 
  the 
  Geology 
  of 
  Clinton 
  county 
  ; 
  by 
  H. 
  P. 
  Cushing 
  667 
  

  

  Report 
  on 
  the 
  Geology 
  of 
  Four 
  Townships 
  in 
  St 
  . 
  Lawrence 
  and 
  Jefferson 
  

   counties 
  ; 
  by 
  C. 
  H. 
  Smyth, 
  Jr 
  685 
  

  

  