xiv LIST OF ILLUSTRATIONS. 



FIGURE PAGE 



78. Head of Orchard Oriole 267 



79. Head of Purple Finch 281 



80. Head of Redpoll 285 



81. Hind-toe of Lapland Longspur . . . , . . 289 



82. Tail-feathers of Vesper Sparrow 290 



83. Tail of Grasshopper Sparrow 293 



84. Head of Seaside Sparrow •. . .297 



85. Head of Lark Sparrow 299 



86. Head of Chipping Sparrow . . . . . . .302 



87. Head of Fox Sparrow 309 



88. Head of Dickcissel 315 



89. Barn, Cliff, Tree, and Bank Swallows . . . . .318 



90. Section of primary of Rough-winged Swallow . . . 323 



91. Head of Red-eyed Vireo 328 



92. Wing of Warbling Vireo 329 



93. Head of Black and White Warbler 351 



94. Head of Worm-eating Warbler 351 



95. Head of Blue-winged Warbler 351 



96. Head of Golden-winged Warbler 351 



97. Head of Parula Warbler .351 



98. Head of Myrtle Warbler 351 



99. Head of Magnolia Warbler 351 



100. Head of Chestnut-sided Warbler 351 



101. Black- throated Blue Warbler 354 



102. Head of Black-poll Warbler 366 



103. Head of Prairie Warbler 366 



104. Head of Oven-bird 366 



105. Head of Kentucky Warbler . ' 366 



106. Head of Maryland Yellow-throat 366 



107. Head of Wilson's Warbler 366 



108. Head of Hooded Warbler 366 



109. Head of Canadian Warbler 366 



110. Head of Yellow-breasted Chat 372 



111. Head of Short-billed Marsh Wren 383 



112. Head of Long-billed Marsh Wren 384 



113. Head of Red-breasted Nuthatch 388 



114. Head of Tufted Titmouse 389 



115. Head of Golden-crowned Kinglet ...... 392 



