LIST OF PLATES. IX 



FIG. PAGE 



95. May-flies in sunset-dance . . . . . . 140 



96. Larva of ephemeron and section of its cell . . . 141 



97. Circular ditch of ant-lion 142 



98. Lace-winged fly, manner of depositing eggs . . . 142 



99. Aphis-lion 143 



100. Worker-termite 143 



101. Soldier-termite, and jaws of the same, magnified . . 144 



102. Section of nest of termes bellicosus .... 144 



103. Male termite 145 



104. Queen termite . 145 



105. Pupa-case, larva, and fly of caddis-worm . . . ] 46 



106. Saw of saw-fly 147 



107. Gall-fly 149 



108. Working-ant, and portion of ant-hill . . . .150 



109. Festoon of wax-makers . . . . . .151 



110. Proboscis of honey-bee . . . . . .152 



111. Honeycomb, with male worker and royal cells . . 153 



112. Grub in cell 153 



113. Pupa 153 



114. Humble-bees male, female, and worker . . .154 



115. Stylops .155 



116. Female, pupa, and male of stylops .... 155 



117. Scales of butterfly's wing 158 



118. Comma butterfly .159 



119. White-hawthorn butterfly 159 



120. Pnpa of vanessa 160 



121. Unicorn hawk-moth 160 



122. Death's-head hawk-moth 161 



123. Silkworm on mulberry-leaf . . . . . .163 



124. Female silkworm moth and eggs ..... 163 



125. Cocoon of tusseh silkworm ...... 164 



126. Leaf-rolling caterpillar . . . . . . 165 



127. Suspended leaf-tents ....... 165 



128. Larva of clothes-moth in its case 166 



129. Field-bug . 167 



130. Metamorphoses of water-boatman .... 168 



129. Water-scorpion, different states of nepa . 169 



1 30. Lime-tree aphis 170 



131. Cochineal insect 171 



132. Larva of gnat 173 



133. Escape of gnat from its pupa-case .... 173 



134. Metamorphoses of blood- worms ..... 174 



135. Pupa and insect of chironomus ..... 175 



136. Larva of stratyomys . . . . . . . 176 



137. Wasp-flies 177 



138. Gad-flies 178 



139. Metamorphoses of flesh-fly . ...... 179 



140. Domestic fly 179 



141. Arctic spring-tail ....... 180 



142. Louse 181 



143. Metamorphoses of the flea 182 



144. Spiders 184 



145. Head of cheese mite . . . . . . . 186 



146. Nerves in spider 187 



