ILLUSTRATIONS. 



FIG. PAGE 



86. Stages of Common Lace Fly (Chryiojpa vulgaris^ ... ] 22 



87. Head of Honey Bee {A-pis meUifica) ... ... ... 124 



88. Common Wasp (Fespa ind^am) and nest ... ... 127 



89. Common Sand Wasp {AmmopMla eabulosa) ... ... 129 



90. Stages of Yellow-legged Ichneumon Fly {Mierogaster ylome- 



ratus) 133 



91. Turnip Saw-fly (^/ftoZia spjnarttm) and caterpillars ... 135 



92. Head of Butterfly ... ... ... ... 136 



93. Scales from Butterfly's "Wing ... ... ... ... 136 



94. Stages of Peacock Butterfly (Fanessa 2o) ... ... 138 



95. Stages of Cabbage White (JPierU hraiHcse) ... ... 139 



96. Garden White (Piemrap«), male ... ... ... 141 



97. Garden White, female and caterpillar ... ... ... 141 



98. Green-veined White (Pjcrig Tiopi)... ... ... 142 



99. Dart or Turnip Moth (^Agrotis segetumi) and caterpillar ... 143 



100. Stages of Cabbage Moth (Mamestra brassicse) . . . 146 



101. Grass Moth (C7iar«08 Gframims) and caterpillar ... 150 



102. Stages of Silver Y Moth {Plusia gamma) ... ... 151 



103. Hop Snout Moth (ff^pena rostra/is) ... ... ... 153 



104. Mother-of-Pearl Moth (Botys margaritalis) and larva 155 



105. Fawn-coloured Pea Moth (t>'ra;p/joK<Aa neftrttojia) ... 156 



106. liaxch Moth (_Coleophoralq,ricelld),.. ... 157 



107. Wings of a Bug ... ... ... ... ... 159 



108. 'Bea.n Aj^iiiB (Aphis papaveris) ... ... ... 160 



109. Corn Thrips (Thrips cerealiwm) ... ... ... 163 



110. Wheat Midge (Cecidomj/ja tn'McJ) ... ... ... 165 



111. Barley attacked by Hessian Fly ... ... ... 167 



112. Larv89 of Wheat Midge (fiecidomyia tritici) ... 169 



113. Stages of Daddy Longlegs (Tipuia oZeracea) ... ... 171 



114 'Rain 'Bieeze Flj {Sssmatopota pluvialis) ... ... 174 



115. Caterpillar Fly {TacUna fera) ... ... ... 175 



116. Turnip infested by Cabbage Fly {Anthomyia hraasicse) 177 



117. Kibbou-footed Com Fly (CAZorops tem'opus) ... 179 



118. Stages of ditto 181 



119. Wheat Plant distorted by winter generation of ditto ... 181 



120. Stages, etc., of Frit Fly (Oscimg/riO ... ... ... 183 



121. Stages of Horse Bot Fly (Go««r«« eg«i) ... ... 190 



122. Horse liOuse (HsematopinMS maerocepMMs) ... ... 194 



123. Common Snake Millipede (Jtttas torestns)... ... 195 



124. A Spider (SaMic«8 scemcMs) ... ... ... ... 196 



125. Mange Mite of the Pig (Sarcopfee ecoMef, var. SMj'e) ... 197 



126. Ditto 198 



127. The Dog Tick (lawiieg ricwM) ... ... ... 203 



128. Diagrammatic transverse section through a Thread Worm 210 



129. Tail of male .Sironjj/ias arjna<««. ... ... ... 213 



180. Encapsuled Muscle TriohinsB in flesh ... ... ... 217 



131. Male Intestinal Trichina... ... ... ... 217 



132. Rye Plant in the later stage of the Eelworm Disease ... 222 



133. Ear Cockles of Wheat 225 



134. Stages of Beet Eel worm (flis(eroc?«j-a Sc/iocftWi) ... ... 226 



