VoLgXXVj EiFRiG, The Spring Migration, 1907, at Ottawa, Out. 



9 



Warbling Vireo 



Red-eyed Vireo 



Bay-breasted Warbler 



Black-throated Green Warbler 



Tennessee Warbler 



Cape May Warbler 



Northern Yellowthroat 



Olive-backed Thrush 



Catbird 



Chestnut-sided Warbler 



Bobolink 



Crested Flycatcher 



Blue-headed Vireo 



Cliff Swallow 



Rusty Grackle 



Spotted Sandpiper 



Sora 



Solitary Sandpiper 



Swamp Sparrow 



Bittern 



Gray-cheeked Thrush 



Alder Flycatcher 



White-breasted Nuthatch 



Mourning Warbler 



Red-headed Woodpecker 



BlackpoU Warbler 



Wood Pewee 



Hummingbird 



Ottawa, Ontario, Aug. 23, 1907. 



