LIST OF ILLUSTRATIONS. V 



83. Lecanium Platvcerii, and Larva 117 



84. Aleurodes 118 



85. Pupa of Alei.rodes 118 



86. Thrips 119 



87. D^STkucTivF. Grasshoppers 121 



88. Prionus 125 



89. M.\Y Beetle, Grub 125 



go. LvTTA, OR Blistering Beetle 127 



91. Gerkis . . . . ■ 131 



92. Different Forms of C.\se Worms 132 



93. Ranatra 133 



94. Dytiscus 134 



95. A Carabid 134 



96. Amphizoa 134 



97. A Tardigrade 135 



98. Ephydra, and Pup.a. Caee 136 



99. Perla 137 



100. Trachea 138 



loi. Spiracls 13S 



102. Hydrophilus Piceus, Eggs and Larv.\ 140 



103. Notonecta 140 



104. CoRI.v'A 141 



105. Dytiscus Larva 143 



106. Eristalis Larva 143 



107. Merodon and Larva 143 



loS. Helophilus Larv/e 144 



109. Mosquito Larva and Pupa 145 



110. Ocean Gnat; a. Larva and Head, enlarged 146 



111. Case of Helicopsyche ,48 



112. Nemoura and Pupa , 148 



113. Gyrinus and Larva 149 



114. Corydalus Larva and Eggs 150 



115. The Horned Corydalus ... 151 



n6. Larva and Pupa of Sialis 152 



117. Larva of Palingenia ic2 



118. May Fly 1^2 



iig. Agrion and Respiratory Leaf of Larva 153 



120. CoRDULIA lateralis 153 



121. iEsCHNA IJ4 



122. Macro.mia transversa 154 



123. Diplax Larva; x. Mass of Trache.*: 155 



124. B.-ETISCA ,55 



125. Mai e and Female Dytiscus 157 



126. Notonecta 138 



127. Blight Insect 161 



128. You.NG Cicada 162 



i2g. Apple Tree Borer 164 



130. Chrysobothris 165 



131. psenocerus 166 



