286 THE HOP. 



Fig. Page. 



56. Hop plant louse, true female . . . . . . . 116 



57. stem mother 116 



58. " " " first immigrant 118 



59. " " " male 120 



60. Hop plant louse and eggs . . . . . . 121 



61. Aphidine parasite of hop plant louse , 123 



62. Cynipid parasite of hop plant louse 125 



63. Hop grub 127 



64. Hop vine snout moth ... . 131 



65. Interrogation butterfly 132 



66. Comma butterfly . . . . 133 



67. Zebra, butterfly 134 



68. Woolly bear caterpillar . 135 



69. Saddleback caterpillar 136 



70. Hop vine leaf hopper 137 



71. Striped flea-beetle -139 



72. "Red spider" or spinning mite 140 



73. Needle-nosed hop bug . . . . . . . . 143 



74. "Scars" on hop vine 144 



75. An eelworm disease of hops 145 



76. Threads of hypliae of hop mold 147 



77. Ascocarps of "hop mold" 148 



78. Single ascocarp 150 



79. Growing pineapples or tobacco under sheds in Florida 156 



80. Step-ladder . . . . 158 



81. Scene in Kentish hop yard . 160 



82. Indian pickers' lodges, Cal 161 



83. Hop bin frame, N. Y. 163 



84. Picking bin, N. Y 164 



85. Hop picking check 166 



86. Pickers' weight memorandum 167 



87. "Set" for four pickers . 168 



88. Weighing hops . 169 



89. Elevating hops to kiln . 171 



90. Tent training 173 



91. Improved English oast 174 



92. Section of group of kilns and cooling room ... 176 



93. Ground floor of kilns and cooling room . . . . 176 



94. Elevation of the common hop kiln . . . . 178 



95. Ground plan of hop kiln 179 



96. Second floor of hop kiln 179 



97. Draft hop kiln 180 



98. Section of cowl to draft kiln 182 



1>9. Ground plan of kiln 183 



100. Plan of drying floor . . 184 



101. Improved France kiln 186 



102. Details of kiln construction 187 



103. Support for hot-air pipe 189 



104. Stove for kiln, front view 190 



105. Hop baling press 192 



106. Elevation of hop house, N. Y 193 



107. Ground plan of hop house 194 



108. Section of hop house . 195 



109. Shovel and brush for use in kiln 197 



110. Elevation of double kiln, N. Y 198 



111. Ground plan of double kiln . . . . . . .199 



112. Car at kiln to receive hops . . ... . . 200 



133. Harris hop press . . . . . . ... . 201 



114. Press with front removed . . . , . . . 202 



115. Pleasanton hop kiln, front elevation * , , . . . 203 



116. Side elevation of kilns . . . ... . . 204 



117. Detail of hopper . 205 



118. Arrangement of heating pipes and drums .... 206 



119. Pleasanton kilns and coolers 208 



120. Ground plan of Pleasanton establishment ... 210 



121. Cooling house for hops ........ 212 



