LIST OF ILLUSTRATIONS. XV11 



Figure 83. — Baltimore Oriole 225 



Figure 84. — Pea Weevil, 226 



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



Figure 86. — Click Beetle 227 



Figure 87. — Cucumber 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. — Phoebe, . . 233 



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



Figure 95. — Wood-boring 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. — Young 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 Red Maple tapped for Sap, 257 



Figure 116. — A Similar Section, 257 



Figure 117. — Hairy Woodpecker 258 



Figure 118. — Flicker, 26f 



Figure 119. —Black-billed Cuckoo 264 



Figure 120. — Caterpillar of the Io Moth, 264 



Figure 121. — Spiny Elm Caterpillar, 264 



Figure 122. — Fall Web Worm 265 



Figure 123. — Red-humped Caterpillar 272 



Figure 124. — Tree Hpppers 273 



Figure 125. — American Robin, 282 



Figure 126.— White Grub 288 



Figure 127.— Bluebird 291 



