﻿INDEX. 
  

  

  825 
  

  

  Page. 
  

  

  Eegion 
  of 
  San 
  Juan 
  176-191 
  

  

  Return 
  migration 
  of 
  the 
  locust 
  644 
  

  

  Ehizobius 
  lactnc» 
  764 
  

  

  Eboda, 
  Franklin 
  B., 
  Topographical 
  

   report 
  on 
  the 
  Southeastern 
  Dis- 
  

   trict 
  302-333 
  

  

  Rhynchonella 
  gnathophora 
  87 
  

  

  Rhyncbonella 
  myrina 
  87 
  

  

  Rio 
  de 
  las 
  Vacas 
  522 
  

  

  Eio 
  Dolores, 
  region 
  of 
  263-267 
  

  

  Eio 
  Grande, 
  drainage 
  of 
  153-167 
  

  

  Rio 
  Trinchera 
  109, 
  110 
  

  

  Riviere 
  aux 
  Bceufs 
  486 
  

  

  Roan 
  or 
  Book 
  Cliffs, 
  elevation 
  of.. 
  346 
  

  

  Rocks, 
  archsean 
  64 
  

  

  Rocks, 
  eruptive 
  93 
  

  

  Eocks, 
  palaeozoic 
  70 
  

  

  Eocks, 
  volcanic 
  212 
  

  

  Eocky 
  Mountain 
  locust, 
  A. 
  S. 
  Pack- 
  

   ard's 
  report 
  on 
  590-810 
  

  

  Eocky 
  Mountain 
  locust 
  in 
  1876.. 
  .609, 
  610 
  

   Rocky 
  Mountain 
  locust, 
  external 
  

  

  enemies 
  and 
  parasites 
  of 
  658 
  

  

  Eocky 
  Mountain 
  Locust 
  in 
  Ne- 
  

   vada 
  604,605 
  

  

  Eocky 
  Mountain 
  locust, 
  meteoro- 
  

   logical 
  data 
  for 
  report 
  on 
  the.. 
  .677-683 
  

   Rocky 
  Mountain 
  locust 
  of 
  the 
  West, 
  

  

  migrations 
  of 
  641, 
  648 
  

  

  Eocky 
  Mountain 
  locust 
  east 
  of 
  the 
  . 
  

  

  Plains 
  635-639 
  

  

  Eocky 
  Mountains, 
  crest 
  of 
  the 
  main, 
  

   from 
  latitude 
  40° 
  30' 
  to 
  Tennessee 
  

  

  Pass 
  373-390 
  

  

  Rocky 
  Mountains, 
  geographical 
  po- 
  

   sitions 
  and 
  elevations 
  of 
  points 
  

  

  on 
  crest 
  of 
  main 
  388 
  

  

  Rocky 
  Mountains, 
  geographical 
  po- 
  

   sitions 
  and 
  elevations 
  of 
  points 
  

  

  on 
  eastern 
  slope 
  of 
  440 
  

  

  Eocky 
  Mountains, 
  passes 
  on 
  crest 
  

  

  of 
  main 
  388 
  

  

  Ruins 
  177,178 
  

  

  Saint 
  Train's 
  Creek 
  436 
  

  

  Salina, 
  Utah, 
  sketch 
  of 
  Salt 
  Lake 
  

   wagon-road 
  from 
  Ouray, 
  Colo- 
  

   rado, 
  to 
  347-350 
  

  

  Salix 
  89 
  

  

  Salt 
  100 
  

  

  Salt 
  Creek 
  71 
  

  

  Salt 
  Lake 
  wagon-road 
  from 
  Ouray, 
  

   Colorado, 
  to 
  Salina, 
  Utah, 
  sketch 
  

  

  of 
  347-350 
  

  

  Saltones 
  649 
  

  

  Sandstone, 
  red 
  Carboniferous 
  114 
  

  

  Sangre 
  de 
  Cristo 
  Range. 
  108-123, 
  127, 
  136- 
  

  

  138 
  

   San 
  Juan 
  District, 
  Geoge 
  B. 
  Chitten- 
  

   den's 
  topographical 
  report 
  on.. 
  351-368 
  

   San 
  Juan 
  District, 
  orographic 
  fea- 
  

   tures 
  of 
  , 
  241-244 
  

  

  San 
  Juan 
  District, 
  table 
  of 
  altitudes 
  

  

  of 
  362,363 
  

  

  San 
  Juan 
  District, 
  table 
  of 
  principal 
  

  

  streams 
  of 
  364 
  

  

  San 
  Juan 
  District, 
  William 
  H. 
  

   Holmes's 
  geological 
  report 
  on. 
  ..237-276 
  

  

  53 
  G 
  s 
  

  

  Page. 
  

  

  San 
  Juan 
  drainage 
  167-171 
  

  

  San 
  Juan 
  region 
  176-191 
  

  

  San 
  Juan 
  region, 
  drainage 
  of 
  176-180 
  

  

  San 
  Juan 
  Valley 
  248-251 
  

  

  San 
  Luis 
  Valley 
  140-149 
  

  

  San 
  Luis 
  Valley, 
  drainage 
  140 
  

  

  San 
  Luis 
  Valley, 
  former 
  lakes 
  of.. 
  147-149 
  

  

  San 
  Miguel 
  River 
  51 
  

  

  Saponas 
  489 
  

  

  Sarcophaga 
  carnaria 
  637-662 
  

  

  Sassafras 
  89 
  

  

  Sassafras 
  mirabile 
  89 
  

  

  Sassafras 
  mudgei 
  292, 
  293 
  

  

  Sassafras 
  officinale 
  293 
  

  

  Sawatch 
  Range 
  150-175 
  

  

  Sawatch 
  Range, 
  mines 
  of 
  172 
  

  

  Sawatch 
  Range, 
  " 
  monuments" 
  of. 
  156-158 
  

  

  Sasicava 
  rugosa 
  487 
  

  

  Scaphites 
  89,290 
  

  

  Scaphites 
  warrenii 
  250 
  

  

  Scarabaeidse 
  812, 
  813 
  

  

  Scarlet 
  silky 
  mite 
  660 
  

  

  Sciara 
  734 
  

  

  Sciara 
  fucata 
  735 
  

  

  Sciara 
  pulicaria 
  735 
  

  

  Sciara 
  punctata 
  735 
  

  

  Sciara 
  quinque-lineata 
  735 
  

  

  Scoly 
  tidse 
  815 
  

  

  Secretary 
  of 
  Interior, 
  F. 
  V. 
  Hay- 
  

   den's 
  letter 
  to 
  1-28 
  

  

  Semiotellns 
  destructor 
  696 
  

  

  Senometopia 
  militaris 
  706 
  

  

  Shaler, 
  N. 
  S., 
  on 
  the 
  age 
  of 
  the 
  

  

  bison 
  in 
  the 
  Ohio 
  Valley 
  458-461 
  

  

  Sierra 
  Abajo 
  ". 
  276 
  

  

  Sierra 
  Carriso, 
  trachytes 
  of 
  274-276 
  

  

  Sierra 
  el 
  Late 
  272-274 
  

  

  Sierra 
  La 
  Sal 
  51,59,95-98 
  

  

  Sierra 
  San 
  Miguel 
  276 
  

  

  Silky 
  mite, 
  scarlet 
  , 
  660 
  

  

  Silphidse 
  812 
  

  

  Silurian 
  70,113 
  

  

  Silvanus 
  surinamansis 
  716 
  

  

  Sindbad's 
  Valley 
  62 
  

  

  Sinosylon 
  basilare 
  786 
  

  

  Sitophilus 
  granarius 
  715 
  

  

  Sitophilus 
  oryzsB 
  716 
  

  

  Snake 
  River 
  400 
  

  

  Solanum 
  carolinense 
  729 
  

  

  Solanum 
  dulcamara 
  729 
  

  

  Solanum 
  nigrum 
  729 
  

  

  Solanum 
  rostratum 
  721 
  , 
  729 
  

  

  South 
  and 
  Central 
  America, 
  the 
  

  

  migatory 
  locusts 
  of 
  648-650 
  

  

  South 
  and 
  Middle 
  Parks, 
  Colorado, 
  

   Gustavus 
  R. 
  Bechler's 
  geographi- 
  

   cal 
  report 
  on 
  371-440 
  

  

  Southeastern 
  District, 
  A. 
  D.Wilson's 
  

   and 
  Franklin 
  Rhoda's 
  topograph- 
  

   ical 
  reports 
  on 
  297-333 
  

  

  Southeastern 
  District, 
  F. 
  H. 
  End- 
  

  

  lich's 
  geological 
  report 
  on 
  103-235 
  

  

  South 
  Fork 
  of 
  Platte 
  River 
  423, 
  424 
  

  

  South 
  Platte 
  River 
  drainage, 
  hy- 
  

  

  drographic 
  table 
  of 
  431 
  

  

  Soutij 
  Platte 
  River, 
  Main 
  or 
  Middle 
  

  

  Fork 
  uf 
  419-422 
  

  

  South 
  Platte 
  Eiver, 
  No^tn 
  Fork 
  of 
  . 
  429 
  

  

  