﻿INDEX. 
  

  

  [79] 
  

  

  Permanent 
  region, 
  climate 
  of, 
  23. 
  

  

  limits 
  of, 
  15, 
  876. 
  

   mountain 
  area 
  of, 
  280. 
  

   result 
  of 
  cultivation 
  of, 
  19, 
  24. 
  

   Great 
  Basin, 
  area 
  of, 
  296. 
  

   vegetation 
  of, 
  276. 
  

   Persia, 
  locusts 
  in, 
  44. 
  

   Pezotettix 
  paciticus 
  nov. 
  sp., 
  [24]. 
  

   Pbora 
  alctiii.-, 
  261. 
  

   Phvllodromia, 
  [28]. 
  

   Piper, 
  J. 
  B., 
  statement 
  of. 
  11. 
  

   Plaius 
  area 
  of 
  permanent 
  region, 
  276. 
  

  

  fertile 
  lands 
  in, 
  301. 
  

   Plateau 
  area 
  of 
  permanent 
  region, 
  293. 
  

   Flatycleia, 
  170. 
  

   Pliny, 
  statement 
  of, 
  33, 
  85, 
  96. 
  

   Plowing, 
  effects 
  of, 
  25. 
  

   Poland, 
  locusts 
  in. 
  35. 
  36, 
  38. 
  

   Position 
  of 
  body 
  in 
  flight, 
  87. 
  

   Preservation 
  of 
  forests. 
  317. 
  

   Preserving 
  of 
  lakes 
  and 
  ponds, 
  306. 
  

   Preventive 
  measures 
  in 
  the 
  plains 
  region, 
  300. 
  

  

  mountain 
  region, 
  319. 
  

   Prevention 
  of 
  floods, 
  309. 
  

   Prussia, 
  locusts 
  in, 
  36. 
  

   Psinit'ia 
  wallula 
  nov. 
  sp., 
  [27]. 
  

   Psorotlonotus, 
  170. 
  

   Purchas, 
  statement 
  of, 
  36. 
  

   Putnam. 
  J. 
  D., 
  on 
  western 
  crickets, 
  169. 
  

  

  statement 
  of, 
  concerning 
  the 
  locust, 
  

   99. 
  

   Railroad, 
  need 
  of. 
  in 
  the 
  permanent 
  region, 
  21. 
  

   Rainfall, 
  data 
  concerning. 
  112, 
  113, 
  114, 
  116, 
  122-124. 
  

  

  effects 
  of, 
  on 
  locusts, 
  113. 
  

   Reed, 
  W. 
  H., 
  statement 
  of, 
  5. 
  

   Remarks, 
  general, 
  28-31. 
  

   Replies 
  to 
  Circular 
  No. 
  1. 
  [4]. 
  

   Report 
  tirst, 
  quoted, 
  72, 
  271. 
  

   Reservoirs 
  to 
  prevent 
  floods, 
  309. 
  

   Returning 
  swarms. 
  78, 
  79. 
  

  

  defined, 
  75. 
  

   direction 
  of, 
  75, 
  76, 
  77. 
  

  

  in 
  different 
  conn- 
  

   tries, 
  78, 
  79. 
  

   harmlessness 
  of, 
  81. 
  

   Rhabdites, 
  174. 
  

  

  Riley 
  Charles 
  V., 
  experiment 
  bv, 
  137. 
  

   statement 
  of,' 
  11, 
  140. 
  

   and 
  C. 
  Thomas, 
  on 
  locust 
  rav- 
  

   ages 
  in 
  California, 
  242. 
  

   on 
  natural 
  enemies 
  of 
  locusts, 
  

  

  259. 
  

   on 
  habits 
  of 
  bee-fly 
  larvae, 
  262. 
  

   on 
  courses 
  to 
  be 
  adopted 
  by 
  gen- 
  

   eral 
  government 
  to 
  lessen 
  lo- 
  

   custi 
  njury, 
  271. 
  

   Ringger, 
  statement 
  of, 
  54. 
  

   Ritter, 
  K., 
  statement 
  of, 
  40, 
  55, 
  85. 
  

   Rooks, 
  importation 
  of, 
  from 
  England, 
  271. 
  

   Ruaseger, 
  statement 
  of, 
  88. 
  

   Russia, 
  locusts 
  in, 
  35, 
  38, 
  40. 
  

  

  record 
  of 
  migrations 
  to, 
  41. 
  

   Rye, 
  injury 
  to, 
  10. 
  

  

  S. 
  

  

  Salt, 
  Henry, 
  statement 
  of, 
  47, 
  51, 
  64. 
  

  

  Sarcobatus 
  vermicular 
  is, 
  276. 
  

  

  Saxony, 
  locusts 
  in, 
  35, 
  36. 
  

  

  Scelio 
  famelicus, 
  270. 
  

  

  Schrank. 
  statement 
  of, 
  62. 
  

  

  Scotland, 
  locusts 
  in, 
  40. 
  

  

  Scudder, 
  S. 
  H., 
  statement 
  of, 
  58, 
  64, 
  258. 
  

  

  Senegal, 
  locusts 
  in, 
  53, 
  54. 
  

  

  Servia, 
  locusts 
  in, 
  35. 
  

  

  Settlement 
  of 
  the 
  Northwest, 
  encouragement 
  to, 
  

  

  Shaw, 
  statement 
  of, 
  49, 
  79. 
  

  

  Sheep-herding 
  as 
  a 
  remedy 
  against 
  western 
  crick- 
  

   ets, 
  168. 
  

   Sicily, 
  locusts 
  in, 
  35. 
  

   Siculus, 
  Diodorus, 
  statement 
  of, 
  41. 
  

   Sierra 
  Valley, 
  California, 
  locust 
  ravages 
  in, 
  246, 
  256. 
  

   Silesia, 
  locusts 
  in, 
  36. 
  

   Sloane, 
  Sir 
  Hans, 
  statement 
  of, 
  52, 
  53, 
  86. 
  

   Smith, 
  Leslie, 
  Capt., 
  statement 
  of, 
  90. 
  

  

  C. 
  A, 
  statement 
  of, 
  [57]. 
  

   Smyrna, 
  locusts 
  in, 
  42, 
  43. 
  

   Soldier-beetle 
  larvae, 
  261. 
  

   Southern 
  section 
  of 
  the 
  mountain 
  area, 
  280. 
  

  

  Spain, 
  locusts 
  in, 
  37, 
  41, 
  [66]. 
  

   Spanman, 
  Andrew, 
  statement 
  of, 
  53. 
  

   Sparaaion 
  Eunelions, 
  270. 
  

  

  Spofford, 
  F. 
  P., 
  translation 
  of 
  memoir 
  by 
  G. 
  de 
  

   Lucretiis, 
  [63]. 
  

   translation 
  of 
  d'Azara's 
  paper, 
  

   [06J. 
  

   SprengeL 
  K 
  , 
  on 
  air-sacs 
  in 
  insects, 
  178. 
  

   Spenee, 
  statement 
  of, 
  58. 
  

   Squires, 
  E. 
  G., 
  statement 
  of, 
  102. 
  

   Stal, 
  statement 
  of, 
  61. 
  

   Stanger, 
  J. 
  S., 
  statement 
  of, 
  11. 
  

   Steiroxvs, 
  107. 
  

   Stirapleura, 
  [26]. 
  

   Stolley, 
  statement 
  of, 
  137. 
  

   Suabia, 
  locusts 
  in, 
  35. 
  

   Subpermanent 
  region, 
  27. 
  

   Subregions, 
  meeting 
  point 
  of 
  three, 
  67. 
  

   Summary 
  of 
  flights, 
  160. 
  

  

  Surface 
  characteristic 
  of 
  permanent 
  region, 
  275. 
  

   Sutherlin, 
  R. 
  V., 
  statement 
  of, 
  7. 
  

   Swarms, 
  formation 
  and 
  movement 
  of, 
  87-96. 
  

   Switzerland, 
  locusts 
  in, 
  36. 
  

   Syria, 
  locusts 
  in, 
  44. 
  

   Systcechus 
  oreas, 
  263, 
  266. 
  

  

  larva 
  described, 
  266. 
  

  

  pupa, 
  266. 
  

  

  imago, 
  267. 
  

  

  T. 
  

  

  Table-lands 
  of 
  permanent 
  region, 
  293. 
  

   Table 
  of 
  invasions 
  of 
  Germany, 
  41. 
  

   Spain, 
  41. 
  

   Russia, 
  41. 
  

   Europe, 
  41. 
  

   locust 
  vears, 
  111. 
  

  

  meteorological 
  data, 
  23, 
  1 
  1 
  2, 
  113, 
  114, 
  116-134. 
  

   Tannahill, 
  John, 
  statement 
  of, 
  10. 
  

   Tartary, 
  locusts 
  in, 
  45. 
  

   Taylor, 
  Alexander, 
  statement 
  of, 
  112. 
  

   Temperature, 
  data 
  concerning, 
  23, 
  114, 
  117, 
  118, 
  119, 
  

   121, 
  125, 
  134, 
  138, 
  154. 
  

   influence 
  of, 
  on 
  flights, 
  101. 
  

   its 
  effects, 
  155. 
  

   i 
  Temple, 
  Edward, 
  statement 
  of, 
  53. 
  

   I 
  Temporary 
  region, 
  26. 
  

  

  change 
  in 
  limits 
  of, 
  27. 
  

   invasion 
  of, 
  27. 
  

   relation 
  of 
  locust 
  problem 
  to, 
  

   26. 
  

   Tendency 
  of 
  swarms 
  to 
  fall 
  into 
  the 
  sea, 
  100-103. 
  

   j 
  Territories, 
  relation 
  of 
  the 
  locusts 
  and 
  its 
  ravages 
  

   to 
  settlement 
  of, 
  14. 
  

   Tettix, 
  [28J. 
  

  

  Texas, 
  absence 
  of 
  loeust 
  in, 
  1878, 
  2. 
  

   limits 
  of 
  migrations 
  in, 
  58. 
  

   locust 
  flights 
  in, 
  1877, 
  160, 
  [59]. 
  

   locusts 
  in, 
  1 
  56, 
  [57, 
  59] 
  . 
  

   1819, 
  0. 
  

   Thamnotrizon 
  scabrieollis, 
  170. 
  

   Thomas, 
  Cyrus, 
  statement 
  of, 
  2, 
  73, 
  159. 
  

  

  synopsis 
  of 
  species 
  of 
  Anabrus, 
  169. 
  

   communication 
  of, 
  to 
  Gov. 
  Pilkv 
  

  

  bury. 
  303. 
  

   and 
  C. 
  V. 
  Riley, 
  on 
  locust 
  ravages 
  

  

  in 
  California. 
  242. 
  

   description 
  of 
  (Ed 
  poda 
  obbterata, 
  

  

  257. 
  

   Cratypedes 
  putnami, 
  259. 
  

   Thorax 
  of 
  Anabrus, 
  172. 
  

   Timber 
  land 
  in 
  the 
  mountain 
  area, 
  280. 
  

   Thrace, 
  locusts 
  in, 
  34 
  

   Toone, 
  John, 
  statement 
  of, 
  13. 
  

   Trachea? 
  of 
  locust, 
  179. 
  

   Trees, 
  eflect 
  of, 
  27, 
  302, 
  306. 
  ' 
  

   Trimerotropis 
  latifasciata 
  nov. 
  sp., 
  [26]. 
  

   similis 
  nov. 
  sp., 
  [27]. 
  

   caeruleipes 
  nov. 
  sp., 
  [27]. 
  

   Triodites, 
  266. 
  

  

  mus, 
  larva, 
  and 
  pupa, 
  and 
  imago 
  de- 
  

   scribed, 
  268, 
  269. 
  

   Trypoxylon 
  albitarse, 
  266. 
  

  

  cells 
  of, 
  266. 
  

   Turkey, 
  locusts 
  in, 
  36, 
  40. 
  

  

  U. 
  

  

  Udeopsylla, 
  [23]. 
  

  

  Upper 
  Mesopotamia, 
  locusts 
  in, 
  42. 
  

  

  