﻿TABLE 
  OF 
  CONTENTS 
  

  

  Page. 
  

   LETTER 
  OF 
  SUBMITTAL 
  XI 
  

  

  PREFACE 
  XIII 
  

  

  PAET 
  I.— 
  IK 
  REFERENCE 
  TO 
  THE 
  KOOKY 
  MOUNTAIN 
  

  

  LOCUST. 
  

  

  CHAPTER 
  I. 
  

  

  Additions 
  to 
  the 
  chronology 
  of 
  locust 
  ravages 
  in 
  1880 
  aj^d 
  1881 
  3 
  

  

  The 
  locust 
  in 
  1880, 
  in 
  Texas, 
  3— 
  in 
  Colorado, 
  4 
  — 
  in 
  Utah, 
  4— 
  in 
  1881, 
  in 
  

   Texas, 
  6 
  — 
  in 
  Utah, 
  7. 
  

  

  CHAPTER 
  11. 
  

  

  The 
  Rocky 
  Mountain 
  locust 
  in 
  Montana 
  in 
  1880 
  — 
  8 
  

  

  The 
  country 
  from 
  Saint 
  Paul 
  to 
  Montana, 
  8 
  — 
  between 
  Bismafck 
  and 
  Fort 
  

   Keogh, 
  9 
  — 
  burning 
  often 
  impracticable, 
  9 
  — 
  destroying 
  locusts 
  by 
  ditches 
  

   and 
  kerosene 
  eddies, 
  13 
  — 
  ropes 
  dragged 
  to 
  drive 
  them, 
  15 
  — 
  ^'drifts 
  of 
  

   hoppers," 
  16— 
  shooting 
  against 
  locust 
  swarms, 
  16 
  — 
  destroying 
  by 
  ditches 
  

   and 
  burning 
  straw, 
  17 
  — 
  no 
  more 
  damage 
  for 
  three 
  or 
  four 
  years, 
  17 
  — 
  

   enemies 
  of 
  the 
  locust 
  in 
  the 
  Northwest, 
  17 
  — 
  topography 
  of 
  Western 
  Da- 
  

   kota 
  and 
  Montana, 
  19. 
  

  

  CHAPTER 
  IIL 
  

  

  The 
  Rocky 
  Mountain 
  locust 
  in 
  Wyoming, 
  Montana, 
  etc., 
  in 
  1881 
  21 
  

  

  Letter 
  of 
  submittal 
  of 
  report 
  by 
  Mr. 
  Lawrence 
  Bruner, 
  21 
  — 
  general 
  report, 
  

   22 
  — 
  brief 
  history 
  of 
  depredations, 
  22 
  — 
  the 
  earlier 
  ones, 
  23 
  — 
  characteristics 
  

   of 
  the 
  Permanent 
  Region, 
  24 
  — 
  settlement 
  and 
  other 
  checks 
  against 
  locusts, 
  

   25 
  — 
  distribution 
  of 
  the 
  Permanent 
  Regions, 
  25— 
  their 
  physical 
  peculiari- 
  

   ties, 
  28 
  — 
  the 
  arid 
  region, 
  29 
  — 
  permanent 
  breeding 
  grounds, 
  29 
  — 
  their 
  loca- 
  

   tions 
  and 
  relations, 
  30 
  — 
  the 
  sources 
  of 
  locusts, 
  30 
  — 
  interchange 
  of 
  swarms, 
  

   31 
  — 
  regular 
  migratory 
  routes, 
  31 
  — 
  agencies 
  controlling 
  migration, 
  32 
  — 
  

   disadvantages 
  of 
  the 
  temporary 
  regions, 
  33 
  — 
  period 
  of 
  hatching, 
  34 
  — 
  pe- 
  

   riod 
  of 
  growth, 
  85 
  — 
  ^habits 
  of 
  the 
  young, 
  36 
  — 
  habits 
  at 
  maturity, 
  36 
  — 
  

   causes 
  of 
  occasional 
  over-increase, 
  37 
  — 
  checks, 
  enemies, 
  38 
  — 
  the 
  efforts 
  of 
  

   experts 
  baffled, 
  42 
  — 
  tree 
  culture, 
  42 
  — 
  climatic 
  checks, 
  43 
  — 
  tree 
  planting, 
  

   43 
  — 
  flights 
  affected 
  by 
  storms, 
  45 
  — 
  number 
  of 
  annual 
  broods, 
  46 
  — 
  subper- 
  

   manent 
  region, 
  46 
  — 
  its 
  relations, 
  47 
  — 
  locust 
  movements 
  therein, 
  48 
  — 
  How 
  

   to 
  fight 
  this 
  insect, 
  49 
  — 
  locust 
  probabilities, 
  49 
  — 
  recent 
  swarms, 
  50. 
  

  

  CHAPTER 
  IV. 
  

  

  Notes 
  on 
  other 
  locusts 
  and 
  on 
  the 
  Western 
  cricket 
  53 
  

  

  Other 
  locusts, 
  53 
  — 
  List 
  of 
  North 
  American 
  locusts 
  north 
  of 
  Mexico, 
  55 
  — 
  the 
  

   Western 
  cricket, 
  61. 
  

  

  (Ill) 
  

  

  