﻿X 
  LIST 
  OF 
  ILLUSTRATIONS. 
  

  

  Pag& 
  

  

  7(), 
  77. 
  A^ertox 
  ;in(l 
  pronotum, 
  and 
  elytron 
  of 
  Empoasca 
  viexicana 
  738 
  

  

  78, 
  79. 
  Vertex 
  and 
  pronotum, 
  and 
  elytron 
  of 
  Empoasca 
  radiafa 
  738 
  

  

  80-82. 
  Vertex 
  and 
  pronotum, 
  elytron 
  and 
  wing 
  of 
  Empoasca 
  nigroscuta 
  740 
  

  

  83-85. 
  Vertex 
  and 
  i)vonot 
  nni, 
  elytron 
  and 
  wing 
  of 
  Empoasca 
  pallida 
  741 
  

  

  86, 
  87. 
  Vertex 
  and 
  pronotum, 
  and 
  elytron 
  of 
  Empoasca 
  snowii 
  742 
  

  

  88, 
  89. 
  FafO 
  and 
  vertex 
  and 
  pronotum 
  of 
  Empoasca 
  tesseUata 
  743 
  

  

  90, 
  91. 
  Elytron 
  and 
  wing 
  of 
  Empoasca 
  tessvlhita 
  743 
  

  

  92-94. 
  Vertex 
  and 
  pronotum, 
  side 
  of 
  head, 
  and 
  elytron 
  of 
  E)iipoasca 
  tiimida 
  .. 
  744 
  

  

  95-97. 
  Vertex 
  and 
  pronotum, 
  elytron 
  and 
  wing 
  of 
  Empoasca 
  rlridcscens 
  747 
  

  

  98-100. 
  Vertex 
  and 
  pronotum, 
  elytron 
  and 
  wiii'^ 
  of 
  EiqUeryx 
  raiidu:ei 
  749 
  

  

  101-103. 
  Vertex 
  and 
  pronotum, 
  elytron 
  aud 
  v^ing 
  of 
  Eiiplcryx 
  farosctita 
  749 
  

  

  104. 
  Vertex 
  and 
  pronotum 
  of 
  Typldocijlja 
  sangidnea 
  752 
  

  

  105. 
  Elytron 
  of 
  Tijphlocyha 
  tricincta 
  753 
  

  

  106, 
  107. 
  Elytron 
  and 
  wing 
  of 
  Typh 
  Jocyha 
  harlii 
  754 
  

  

  108, 
  109. 
  Face 
  and 
  vertex 
  and 
  pronotum 
  of 
  Typhlocyha 
  ruirosctiia 
  754 
  

  

  109a, 
  110, 
  111. 
  Last 
  ventral 
  segment 
  of 
  female, 
  elytron, 
  and 
  wing 
  of 
  Typhlo- 
  

   cyha 
  ruhroscuta 
  755 
  

  

  112, 
  113. 
  Elytron 
  and 
  wing 
  of 
  Typldocyha 
  tri/asciata 
  756 
  

  

  114, 
  115. 
  Elytron 
  and 
  wing 
  of 
  Typhlocyha 
  ohliqna 
  757 
  

  

  116, 
  117. 
  Elytron 
  and 
  wing 
  of 
  Typhlocyha 
  iUhioicnsis 
  758 
  

  

  118-120. 
  Vertex 
  and 
  pronotum, 
  elytron, 
  and 
  wing 
  of 
  Typhlocyha 
  comes 
  759 
  

  

  121. 
  TAjtroTH 
  of 
  Typhlocyha 
  comes 
  xnT.vUis 
  761 
  

  

  122. 
  Elytron 
  of 
  Typh 
  locyha 
  comes 
  var. 
  ziczac 
  762 
  

  

  123, 
  124. 
  Elytron 
  and 
  wing 
  of 
  Typh 
  locyha 
  comes 
  var. 
  ocionotata 
  762 
  

  

  125, 
  126. 
  Elytron 
  and 
  wing 
  of 
  Typltlocyha 
  comes 
  var. 
  coloradeiiiis 
  763 
  

  

  127. 
  Typhlocyha 
  comes 
  var. 
  coloradensis 
  763 
  

  

  128, 
  129. 
  Elytron 
  and 
  wing 
  of 
  Typhlocyha 
  vulneraia 
  765 
  

  

  130, 
  131. 
  Vertex 
  and 
  pronotum, 
  and 
  elytron 
  of 
  Typhlocyha 
  dentata 
  766 
  

  

  132, 
  133. 
  Face 
  and 
  vertex 
  and 
  pronotum 
  of 
  Typhlocyha 
  (jiierci 
  var. 
  hifasciata. 
  . 
  . 
  767 
  

  

  134, 
  135. 
  Elytron 
  and 
  wing 
  of 
  Typhlocyha 
  fpierci 
  var. 
  hifasciata 
  767 
  

  

  136, 
  137. 
  Elytron 
  and 
  wing 
  of 
  Typhlocyha 
  creveccctiri 
  768 
  

  

  138, 
  139. 
  Face 
  and 
  vertex 
  and 
  pronotum 
  of 
  Typhlocyha 
  jtaromaryinata 
  768 
  

  

  140, 
  141. 
  Elytron 
  and 
  wing 
  of 
  Typhlocyha 
  iilmi 
  769 
  

  

  142-144. 
  Vertex 
  and 
  pronotum, 
  elytron, 
  and 
  wing 
  of 
  Typhlocyha 
  commissu- 
  

  

  ralis 
  770 
  

  

  145. 
  Elytron 
  of 
  Typh 
  locyha 
  lenerrima 
  771 
  

  

  146. 
  Elytron 
  of 
  Typh 
  locyha 
  leth 
  ierryi 
  771 
  

  

  147-149. 
  Vertex 
  and 
  ^ironotum, 
  elytron, 
  and 
  wing 
  of 
  Tyjth 
  locyha 
  rosa; 
  772 
  

  

  PLATES. 
  

  

  r.iciug 
  page. 
  

  

  1. 
  Tegmina 
  of 
  species 
  of 
  Melanopliis 
  and 
  Fhoetaliotes 
  421 
  

  

  2. 
  Male 
  abdominal 
  appendages 
  of 
  Gymuosc'n-tctes, 
  Xeirosoma, 
  I'aradichro- 
  

  

  plus, 
  Pliitdrotettix, 
  Conalcaa, 
  Barytcttix, 
  and 
  Phaulotettix 
  421 
  

  

  3. 
  Male 
  abdominal 
  appendages 
  of 
  Cephalotettix, 
  Bhahdoiettix, 
  Cyclocercus, 
  

  

  Sinaloa, 
  and 
  Paraidemona 
  421 
  

  

  4. 
  Male 
  abdominal 
  appendages 
  of 
  Aidemona, 
  Hypochlora, 
  Campylacantha, 
  

  

  Eotettix, 
  and 
  HesperotetUx 
  421 
  

  

  5. 
  Male 
  abdominal 
  appendages 
  of 
  HesperotetUx 
  and 
  ^Eoloplus 
  421 
  

  

  6. 
  Male 
  abdominal 
  appendages 
  of 
  ^Eoloplus 
  and 
  Jiradynotes 
  421 
  

  

  7. 
  Male 
  abdominal 
  appendages 
  of 
  liradynotes, 
  Dendroieitix, 
  and 
  rodis7na 
  . 
  .. 
  421 
  

  

  8. 
  Male 
  abdominal 
  appendages 
  of 
  Old 
  World 
  species 
  of 
  Podisma 
  421 
  

  

  9. 
  Male 
  abdomiiml 
  appendages 
  of 
  Podisma 
  and 
  Paratylotropidia 
  ; 
  Para- 
  

  

  tylolropidia 
  hriinneri 
  421 
  

  

  10-24. 
  Male 
  abdominal 
  appendages 
  of 
  Melanoplus 
  421 
  

  

  