﻿IV 
  

  

  Page. 
  

  

  The 
  Spontaneous 
  Oceurreufe 
  of 
  White 
  iNIuscardiue 
  among: 
  Cliinch-bugs 
  in 
  1895 
  75 
  

  

  Miscellaneous 
  Chineh-bui;- 
  Experiments 
  79 
  

  

  Experiments 
  on 
  Comparative 
  Vitality 
  of 
  Hibernating: 
  Chinch-biigs 
  80 
  

  

  Confinement 
  of 
  Hibernating: 
  Chinch 
  -bugs 
  81 
  

  

  Immersion 
  of 
  Hibernal 
  insrChiuch-bugs 
  81 
  

  

  Attempts 
  to 
  Infect 
  Chinch-busrs 
  with 
  Museardine 
  in 
  their 
  Winter 
  Quarters 
  82 
  

  

  Temperature 
  Experiments 
  on 
  Chinch-bugs 
  83 
  

  

  Temperature 
  Experiments 
  with 
  Chinch 
  bugs' 
  Eggs 
  85 
  

  

  Field 
  Temperatures 
  in 
  Hot 
  ]M 
  idsummer 
  Weather 
  86 
  

  

  Effect 
  of 
  Immersion 
  in 
  Water 
  on 
  Hatching 
  of 
  Chinch-bugs' 
  Eggs 
  87 
  

  

  Effect 
  of 
  Moist 
  Atmosphere 
  on 
  Hatching 
  of 
  Chinch-hugs' 
  Eggs 
  88 
  

  

  Effect 
  of 
  Drouth 
  on 
  Hatching 
  of 
  Chinch-bugs' 
  Eggs 
  89 
  

  

  Elfect 
  of 
  Exposing 
  Chinch-bugs' 
  Eggs 
  to 
  the 
  Fungus 
  of 
  White 
  Museardine 
  89 
  

  

  Effect 
  of 
  Exposing 
  Chinch-bugs' 
  Eggs 
  to 
  the 
  Fungus 
  of 
  Green 
  Museardine 
  91 
  

  

  Experiments 
  with 
  Entomophthora 
  on 
  Chinch-biigs 
  91 
  

  

  Field 
  Experiments 
  with 
  White 
  Museardine 
  Fungus 
  on 
  Chinch-bugs 
  92 
  

  

  Inoculation 
  of 
  Dead 
  Chinch-bugs 
  with 
  Sporotrichum 
  97 
  

  

  Burning 
  in 
  Winter 
  Quarters 
  98 
  

  

  Effect 
  of 
  Salt 
  on 
  the 
  Hatching 
  of 
  Chinch-lmgs' 
  Eggs 
  : 
  99 
  

  

  Effect 
  of 
  Burial 
  in 
  Earth 
  on 
  Hatching 
  of 
  Chinch-bugs' 
  Eggs 
  99 
  

  

  Precise 
  Laboratory 
  Experiments 
  with 
  Museardine 
  Fungi 
  on 
  Chinch-bugs 
  99 
  

  

  An 
  Entomological 
  Train 
  Wrecker 
  {Odyncrus 
  foraiiiinafus 
  Sauss) 
  103 
  

  

  Note 
  on 
  a 
  New 
  Disease 
  of 
  the 
  Army 
  Worm 
  106 
  

  

  Explanation 
  of 
  Plates 
  HO 
  

  

  Appendix— 
  The 
  White 
  Pine 
  Chernie;-; 
  i 
  Chermes 
  pintrorticLs 
  Fitch) 
  i 
  

  

  Trees 
  attacked 
  by 
  the 
  Chermes 
  ni 
  

  

  General 
  Description 
  of 
  the 
  Insect, 
  its 
  Feeding 
  Habits, 
  and 
  its 
  Classification 
  iv 
  

  

  Economic 
  Importance 
  and 
  Geographical 
  Distribution 
  v 
  

  

  -! 
  Natural 
  Enemies 
  of 
  the 
  Chermes 
  '■ 
  vi 
  

  

  Keys 
  to 
  liarval 
  and 
  Pupal 
  Forms 
  of 
  Natural 
  Enemies 
  ix 
  

  

  Comparative 
  Life 
  History 
  of 
  the 
  Chermes 
  and 
  its 
  Enemies 
  ix 
  

  

  Use 
  of 
  Insecticides 
  xii 
  

  

  Some 
  Variations 
  in 
  Life 
  History 
  xui 
  

  

  Descriptive 
  xiv 
  

  

  The 
  Eggs 
  XIV 
  

  

  The 
  Larva 
  of 
  the 
  Winged 
  Form 
  xv 
  

  

  The 
  Pupa 
  of 
  the 
  Winged 
  Form, 
  xvi 
  

  

  The 
  Winged 
  Form 
  xvi 
  

  

  The 
  Apterous 
  Female 
  xvii 
  

  

  Some 
  General 
  Observations 
  xviii 
  

  

  Cholodkovsky's 
  Monograph 
  on 
  the 
  Chermes 
  attacking 
  the 
  C'onifera' 
  xix 
  

  

  Synonymy 
  and 
  Bibliography 
  xxi 
  

  

  Explanation 
  of 
  Plates 
  xxi\' 
  

  

  Plates 
  XXV 
  

  

  Additions 
  and 
  Corrections 
  xxvii 
  

  

  Index 
  xxvm 
  

  

  