ILLUSTRATIONS 



FACING 

 PA.OB 



Typical nest of Alder Flycatcher 138 



Alder Flycatcher 138 



Young Crows in nest . . 140 



Young Crows . 142 



Blue Jay . . 146 



Rusty Grackle . . . 148 



Nest of Meadowlark 148 



Nest of Orchard Oriole 150 



Young Orchard Orioles 150 



Male Bobolinks 152 



Five young Bobolinks in nest 152 



Tree Sparrow eating hay seed thrown on the snow . . .160 



Pine Grosbeak about to drink 160 



Female Rose-breasted Grosbeak incubating 162 



Pair of White- winged Crossbills 162 



Young Field Sparrows in nest 164 



Young Goldfinches, ready to leave nest 164 



Nest of Swamp Sparrow . . 170 



Nest of Vesper Sparrow . . 170 



Nest of Chippy . . -. . , 172 



Chipping Sparrows 172 



Young Barn Swallows on nest 180 



Young Barn Swallow . . . . . . . .180 



Eave Swallows 182 



Fledgling Eave Swallow . ... v . . . .182 



Tree Swallow (male) and nest . 184 



Tree Swallow 184 



Young Tree Swallows 184 



Purple Martins near their nest in hole of stub . . . .186 



Bank Swallow at nest hole in gravel bank 186 



Young Chimney Swifts by their nest 188 



Young Chimney Swift 188 



Nest of Scarlet Tanager 194 



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