﻿TABLE 
  OF 
  CONTENTS. 
  VII 
  

  

  Page. 
  

   Courses 
  that 
  may 
  be 
  adopted 
  by 
  tiie 
  general 
  government 
  to 
  lessen 
  

  

  locust 
  injury— 
  Continued. 
  

  

  the 
  permanent 
  region 
  and 
  the 
  proportion 
  of 
  burnable 
  land, 
  275 
  — 
  Number 
  

   of 
  square 
  miles 
  in 
  the 
  Permanent 
  region, 
  276 
  — 
  The 
  plains 
  area 
  east 
  of 
  the 
  

   mountains, 
  276 
  — 
  Its 
  vegetation, 
  276 
  — 
  Burnable 
  land 
  practically 
  inden- 
  

   tical 
  with 
  grazing-land, 
  277 
  — 
  The 
  plains 
  area 
  in 
  the 
  British 
  possessions, 
  

   278 
  — 
  In 
  the 
  United 
  States, 
  279 
  — 
  The 
  mountain 
  area, 
  280 
  — 
  Timber-lands 
  in 
  

   the 
  mountain 
  area 
  dependent 
  upon 
  latitude 
  and 
  altitude, 
  280 
  — 
  Northern 
  

   section 
  of 
  the 
  mountain 
  area, 
  280, 
  281 
  — 
  River 
  valleys 
  in 
  Montana, 
  281 
  — 
  

   Valley 
  of 
  the 
  Yellowstone 
  and 
  its 
  tributaries, 
  281 
  — 
  Of 
  the 
  Madison 
  River, 
  

   282— 
  Of 
  the 
  Jefferson 
  and 
  Missouri 
  Rivers, 
  283 
  — 
  The 
  Wind 
  River 
  and 
  the 
  

   Bighorn 
  Mountains, 
  283 
  — 
  The 
  Green 
  River 
  Basin, 
  283 
  — 
  Valley 
  of 
  the 
  Snake 
  

   River 
  and 
  its 
  tributaries, 
  286, 
  289 
  — 
  Southern 
  section 
  of 
  the 
  mountain 
  area, 
  

   289— 
  In 
  Southern 
  Wyoming, 
  290,291— 
  In 
  Colorado, 
  291— 
  The 
  San 
  Luis 
  

   Valley, 
  292 
  — 
  Mountain 
  area 
  in 
  New 
  Mexico, 
  292 
  — 
  The 
  plateau 
  area, 
  293 
  — 
  

   Its 
  extent, 
  293— 
  The 
  Roan 
  Plateau, 
  293— 
  The 
  Uinta 
  Valley, 
  293— 
  The 
  Grand 
  

   River 
  Valley, 
  294— 
  The 
  Great 
  Sage 
  Plain, 
  294— 
  The 
  San 
  Juan 
  River 
  Valley, 
  

   295 
  — 
  The 
  Colorado 
  River 
  Plateau, 
  295— 
  The 
  Great 
  Basin 
  area 
  and 
  the 
  

   Wasatch 
  Mountains, 
  298 
  — 
  Valleys 
  of 
  the 
  Bear 
  River 
  and 
  its 
  tributaries, 
  

   296 
  — 
  The 
  Wasatch 
  Range 
  and 
  its 
  valleys, 
  298 
  — 
  Mountain 
  ranges 
  in 
  Ne- 
  

   vada, 
  299, 
  300 
  — 
  The 
  Mojave 
  Desert, 
  300 
  — 
  Preventive 
  measures 
  in 
  the 
  plains 
  

   region, 
  300 
  — 
  Caloptenus 
  spretus 
  breeds, 
  especially 
  in 
  British 
  America 
  and 
  

   Montana, 
  300 
  — 
  Fertile 
  grass-land 
  in 
  the 
  Territories, 
  300 
  — 
  Its 
  extent, 
  302 
  — 
  

   Encouragement 
  to 
  settlement, 
  302 
  — 
  Modilication 
  of 
  climate 
  by 
  settlement 
  

   and 
  cultivation, 
  302 
  — 
  Professor 
  Thomas's 
  communication 
  to 
  Governor 
  

   Pillsbury, 
  303— 
  The 
  settlement 
  of 
  Dakota 
  will 
  benefit 
  Minnesota, 
  304 
  — 
  

   Forest 
  planting 
  on 
  the 
  coteau 
  of 
  the 
  prairies, 
  305 
  — 
  Preserving 
  of 
  lakes, 
  

   ponds, 
  and 
  swamps 
  in 
  Minnesota, 
  306 
  — 
  Encouragements 
  to 
  railroads, 
  307 
  — 
  

   Irrigation, 
  307— 
  Extent 
  of 
  the 
  arid 
  region, 
  307, 
  308 
  — 
  Only 
  a 
  small 
  portion 
  of 
  

   the 
  land 
  irrigable, 
  308 
  — 
  Agriculture 
  in 
  the 
  arid 
  West 
  and 
  in 
  the 
  Missis- 
  

   sippi 
  Delta 
  require 
  assistance 
  of 
  the 
  national 
  government, 
  308 
  — 
  Preven- 
  

   tion 
  of 
  floods 
  by 
  means 
  of 
  reservoirs, 
  309 
  — 
  Cost 
  of 
  irrigation, 
  310— 
  Influ- 
  

   ence 
  of 
  irrigation 
  on 
  the 
  locust 
  question, 
  310 
  — 
  Mr. 
  H. 
  Gannett's 
  report 
  

   on 
  irrigation 
  in 
  the 
  arid 
  region, 
  310 
  — 
  Waste 
  of 
  water 
  in 
  irrigating, 
  311 
  — 
  

   Amount 
  of 
  irrigable 
  land, 
  311 
  — 
  Amount 
  of 
  water 
  necessary 
  for 
  irrigation, 
  

   312, 
  313 
  — 
  Irrigable 
  land 
  in 
  Colorado, 
  Utah, 
  California, 
  &c, 
  313 
  — 
  Arable 
  

   land 
  in 
  the 
  Territories, 
  314 
  — 
  Amount 
  of 
  land 
  in 
  actual 
  cultivation, 
  314 
  — 
  

   Irrigation 
  by 
  means 
  of 
  artesian 
  wells, 
  315 
  — 
  Methods 
  of 
  irrigation, 
  

   315, 
  316 
  — 
  Uselessness 
  of 
  reservoirs 
  and 
  great 
  irrigating 
  canals 
  in 
  the 
  arid 
  

   region, 
  316— 
  How 
  irrigation 
  should 
  be 
  regulated, 
  316— 
  Preservation 
  of 
  

   forests; 
  tree-planting, 
  317 
  — 
  Judicious 
  burning 
  in 
  spring, 
  317 
  — 
  Permanent 
  

   establishment 
  of 
  locust 
  signals 
  and 
  warnings, 
  318 
  — 
  Co-operation 
  with 
  the 
  

   Dominion 
  Government, 
  319 
  — 
  Preventive 
  measures 
  iu 
  the 
  mountain 
  and 
  

   plateau 
  areas, 
  319 
  — 
  Breeding-grounds 
  of 
  the 
  locust 
  in 
  the 
  mountain 
  area, 
  

   319 
  — 
  Influence 
  of 
  settlement, 
  320 
  — 
  Replanting 
  of 
  forests, 
  320 
  — 
  Importance 
  

   of 
  locust 
  signals 
  to 
  the 
  farmer 
  in 
  Colorado 
  and 
  Utah, 
  321 
  — 
  Very 
  destruct- 
  

   ive 
  locust 
  invasions 
  not 
  likely 
  to 
  recur 
  in 
  the 
  future, 
  321 
  — 
  The 
  locust 
  has 
  

   ceased 
  to 
  be 
  an 
  object 
  of 
  dread, 
  322. 
  

  

  