﻿824 
  

  

  INDEX. 
  

  

  Page. 
  

   Packard, 
  jr., 
  A. 
  S 
  , 
  report 
  on 
  the 
  

  

  Rocky 
  Mountain 
  locust, 
  etc., 
  by. 
  590-810 
  

  

  Pachy 
  tylus 
  stridulus 
  653 
  

  

  Pachytylus 
  migratorius. 
  .651, 
  654, 
  655, 
  657 
  

  

  Pacbytylus 
  cinerasceus 
  651 
  

  

  Palteozoic 
  rocks 
  70 
  

  

  Papilio 
  asterias 
  765 
  

  

  Paramesius 
  bracbialis 
  738 
  

  

  Parasites 
  710,711,712 
  

  

  Parasites 
  of 
  the 
  Rocky 
  Mountain 
  

  

  locust 
  658 
  

  

  Park 
  Range 
  378-381 
  

  

  Parrott 
  City 
  and 
  Colorado 
  Springs, 
  

   synchronous 
  barometric 
  observa- 
  

   tions 
  at 
  360 
  

  

  Parrott 
  City, 
  computation 
  of 
  

   height 
  of, 
  from 
  Colorado 
  Springs. 
  363 
  

  

  Parsnip- 
  butterfly 
  765 
  

  

  Passes 
  on 
  crest 
  of 
  main 
  Rocky 
  

  

  Mountains 
  388 
  

  

  Peaks 
  of 
  Colorado, 
  prominent 
  299,300 
  

  

  Peaks, 
  Spanish 
  128-136 
  

  

  Peale, 
  A. 
  C, 
  geological 
  report 
  on 
  

  

  Grand 
  River^District 
  33-101 
  

  

  Pea-weevil 
  766 
  

  

  Pecten 
  islandicus 
  487 
  

  

  Pedicecetes 
  columbianus 
  659 
  

  

  Peecheek 
  456 
  

  

  Pilocoraijis 
  varius 
  291 
  

  

  Pemphigus 
  vitifoliae 
  782, 
  783 
  

  

  Peutacriuus 
  asteriscus 
  87 
  

  

  Permian 
  -... 
  278 
  

  

  Pegomachus 
  minimus 
  705 
  

  

  Pezotettix 
  alpiua. 
  653 
  

  

  Phacellura 
  nitidalis 
  772 
  

  

  Phenomena, 
  glacial 
  215 
  

  

  Phteothripscenalium 
  714 
  

  

  Phoiioia 
  arbutifolia 
  807 
  

  

  Phryganidea 
  californica 
  808 
  

  

  Phy 
  Uophaga 
  fusca 
  796 
  

  

  Phylloxera 
  782-7r5 
  

  

  Phylloxera 
  vastatrix 
  782 
  

  

  Phylloxera 
  vitifolise 
  783 
  

  

  Pickle-worm 
  772 
  

  

  Pieris 
  brassicse 
  747 
  

  

  Pieris 
  oleracea 
  746,748 
  

  

  Pieris 
  rapse 
  747, 
  748, 
  750 
  

  

  Pike's 
  Peak 
  group 
  404 
  

  

  Pine-borer 
  803 
  

  

  Pine-timber 
  beetle 
  802 
  

  

  Pinna 
  •. 
  87,90 
  

  

  Pinna 
  lingula 
  91 
  

  

  Pissodes 
  strobi 
  803 
  

  

  Pitchy-legged 
  weevil 
  7.'j7 
  

  

  Plaut-bug, 
  common 
  garden 
  755 
  

  

  Plates, 
  explanation 
  of 
  809, 
  810 
  

  

  Platte 
  River, 
  South 
  Fork 
  of 
  423, 
  424 
  

  

  Platygaster 
  696 
  

  

  Pleotomus 
  pallens, 
  transformations 
  

  

  of 
  805 
  

  

  Plesic'sauri 
  286 
  

  

  Pleurotomaria 
  excelsa 
  72 
  

  

  Plicatula 
  arenaria 
  90 
  

  

  Plicatula 
  hydrotheca 
  90 
  

  

  Pliocene 
  277 
  

  

  Plum-weevil 
  795 
  

  

  Plusia 
  brassicse 
  752 
  

  

  Plutella. 
  xylostella 
  751 
  

  

  ■ 
  Pogonocherus 
  mixtus 
  804 
  

  

  Pago. 
  

  

  Polydesmus 
  complanatus 
  759,760 
  ; 
  

  

  Polydesmus 
  canadensis...- 
  759 
  

  

  Polygonia 
  comma 
  774 
  ' 
  

  

  Polygonia 
  interrogationis 
  774 
  t 
  

  

  Populites 
  292 
  ; 
  

  

  Por 
  phy 
  ritic 
  trachyte 
  93, 
  94 
  ' 
  

  

  Portheus 
  285 
  ' 
  

  

  Positions 
  of 
  points 
  in 
  Middle 
  Park 
  * 
  

  

  District, 
  geographical 
  elevations 
  \ 
  

  

  and 
  408 
  

  

  Positions 
  of 
  points 
  in 
  South 
  Park 
  j 
  

  

  District, 
  geographical 
  elevations 
  j 
  

  

  and 
  4181 
  

  

  Positions 
  of 
  points 
  on 
  eastern 
  slope 
  

   of 
  Rocky 
  Mountains, 
  geograph- 
  

   ical 
  elevations 
  and 
  440 
  

  

  Positions 
  of 
  points 
  on 
  crest 
  of 
  main 
  

   Rocky 
  Mountains, 
  geographical 
  

  

  elevations 
  and 
  388 
  

  

  Post-Cretaceous 
  211 
  

  

  Post-Cretaceous 
  beds 
  of 
  Trinidad 
  

  

  region 
  192-203 
  

  

  Potato-beetle, 
  Colorado 
  721-729 
  

  

  Potato-beetle, 
  three-lined 
  730 
  

  

  Potato-maggot, 
  hairy 
  733 
  

  

  Potato-stalk 
  weevil 
  732 
  

  

  Potato-worm 
  . 
  - 
  732 
  . 
  

  

  Praotherium 
  palatinum 
  377,949 
  

  

  Prionocyclus 
  woolgari 
  290 
  

  

  Prionotropis 
  woolgaii 
  90 
  

  

  Priouns 
  emarginatus 
  803 
  

  

  Pristophora 
  grossulanse 
  790 
  

  

  Products 
  of 
  the 
  buffalo 
  566-574 
  ; 
  j 
  

  

  Productus 
  71 
  1 
  

  

  Productus 
  nodosus 
  72 
  ' 
  

  

  Productus 
  punctatus 
  72 
  

  

  Productus 
  rogersi 
  72 
  

  

  Productus 
  scabriculus 
  72 
  

  

  Productus 
  semiretictilatus 
  72 
  

  

  Proteoides 
  89 
  

  

  Proteoides 
  acuta 
  89 
  

  

  Protostega 
  gigax 
  285 
  

  

  Psychoda 
  nervosa 
  734 
  

  

  Pterauudou 
  comptus 
  287 
  

  

  Pteranodon 
  ingens 
  287 
  

  

  Pteranodon 
  longiceps 
  287 
  

  

  Ptei'anodon 
  occidentalis 
  287 
  

  

  Pteranodon 
  velox 
  287 
  

  

  Pteromalus 
  brassicse 
  747, 
  748 
  ' 
  

  

  Pteromalus 
  puparum 
  748 
  ■ 
  

  

  Pteromalus 
  vauessse 
  774 
  

  

  Ptinidaj 
  813 
  

  

  Ptyches 
  lineatus 
  720 
  

  

  Ptycodus 
  mortoui 
  284 
  

  

  Puma 
  Hills 
  412 
  

  

  Pupa 
  634 
  

  

  Quercus 
  agrifolia 
  807 
  

  

  Radish-fly 
  762 
  

  

  Radish 
  seed-weevil 
  763 
  

  

  Railroads, 
  influence 
  of, 
  upon 
  de- 
  

   crease 
  of 
  the 
  buffalo 
  533-537 
  

  

  Ralston 
  Canon 
  434 
  

  

  Red 
  Carboniferous 
  sandstone 
  114 
  

  

  Red-legged 
  locust, 
  eastern 
  684 
  

  

  Red 
  mite, 
  little..... 
  600 
  

  

  Red-ishouldered 
  siuoxylon 
  786 
  

  

  "Red 
  stratum" 
  160,172 
  

  

  