LIST OF ILLUSTRATIONS. xvii 



PAGE 



FiGDRE 83. — Baltimore Oriole, 225 



Figure 84. — Pea "Weevil 226 



Figure 85. — Tent Caterpillars, Eggs, and Cocoon, 226 



Figure 86. — Click Beetle, 227 



Figure 87. — Cucmnber Beetle and Curculios, 227 



Figure 88. — Gipsy Moth, Male 230 



Figure 89. — Cankerworm 231 



Figure 90. — Wood Pewee 232 



Figure 91.— Tortricid Moth 232 



Figure 92. — Tussock Moth, 232 



Figure 93. — Phoehe 233 



Figure 94. — Moth of Spring Cankerworm, ....... 234 



Figure 95. — Wood-horing Click Beetle 234 



Figure 96. — Brown-tail Moth, /. 234 



Figure 97. — Kingbird, 236 



Figure 98. — Cetonia Beetle, 238 



Figure 99. — May Beetle 238 



Figure 100. — Hummingbirds about Two Weeks old 242 



Figure 101. — Hummingbird feeding Young, 243 



Figure 102. — Yoimg Hummingbirds nearly fledged 244 



Figure 103. — Skull and Tongue of Woodpecker, 246 



Figure 104. — Spearlike Tongue-tip of Downy Woodpecker, . . . 246 



Figure 105. — Pine Borer 247 



Figure 106. — Pales Weevil, 248 



Figure 107. — Cocoon of Codling Moth pierced by Woodpecker, . . .251 



Figure 108. — Apple Tree Borer 251 



Figure 109. — Section of Young Tree saved by Downy Woodpecker, . . 253 



Figure 110. — Downy Woodpecker and his Work, 253 



Figure 111. — Bark pierced by Downy Woodpecker 254 



Figure 112. — The Same, showing the Channels made by Bark Beetles, . 254 



Figure 113. — Pine Top killed by Pine Weevil 255 



Figure 114. — Tree ruined for Timber by Pine Weevil 255 



Figure 115. — Section of Bed Maple tapped for Sap, 257 



Figure 116.— A Similar Section, 257 



Figure 117. — Hairy Woodpecker 258 



Figure 118. — Flicker, 261 



Figure 119. —Black-billed Cuckoo 264 



Figure 120. — Caterpillar of the lo Moth 264 



Figure 121. — Spiny Elm Caterpillar 264 



Figure 122. — Pall Web Worm 265 



Figure 123. — Eed-humped Caterpillar 272 



Figure 124. — Tree Hoppers 273 



Figure 125. — Eobiu 282 



Figure 126. — White Grub, 288 



Figure 127. — Bluebird 291 



