LIST OF ILLUSTRATIONS xiii 
FIGURE PAGE 
77. Dividing Egg of Frog ... ... 91 
78. The Embryo Becoming a Tadpole . .... 92 
79. Tadpoles.93 
80. Different Stages in Life History of Toad.94 
81. Fossils.95 
82. Tree Frog.97 
83. Rattlesnake .. 99 
84. Common Snapping Turtle.100 
85. Head of Rattlesnake ..100 
86. Horned Toad.101 
87. Rattles of Rattlesnake. . 101 
88. Garter Snake.102 
89. Bull Snake with Hen’s Egg in Mouth ..... 103 
90. Bull Snake after Swallowing Egg ...... 103 
91. Alligator Nest .. 104 
92. Eight-foot Florida Alligator.105 
93. Poisonous Lizards. . 105 
94. Regions of a Bird.107 
95. Herring Gulls ..108 
96. Adult Screech Owl.109 
‘ 97. Birds’ Feet.110 
98. Skeleton of Duck .. 110 
99. Head of Young Eagle.Ill 
100. Loggerhead Shrike .112 
101. Robin ..113 
102. Young and Adult Chestnut-sided Warbler.114 
103. Eggs of Woodcock . 115 
104. Junco. 116 
105. Kingbird . .116 
106. Female Bobolink . 117 
107. Kingfisher ..117 
108. Young Crows in Nest Waiting for Food ..... 118 
109. Hairy Woodpecker Eating Suet.119 
110. Male and Female Cowbirds.120 
111. Woodcock on Nest.122 
112. Nest of the Yellow Warbler.123 
113. Skeleton of a Dog.125 
114. Coyote ..125 
115. Flying Squirrel . .126 
116. Brown Bat. .127 
117. Bat Hibernating. 127 
