LIST OF ILLUSTRATIONS 
Ruby-throated Hummingbird 
Black-chinned Hummingbird, female, tail 
Anna Hummingbird, female, tail 
Anna Hummingbird, male, tail . 
Costa Hummingbird . 
Anna Hummingbird . 
Broad-tailed Hummingbird, outer primaries 
Broad-tailed Hummingbird, male, tail 
Broad-tailed Hummingbird, female, tail 
Rufous Hummingbird, male, tail 
Rufous Hummingbird. 
Allen Hummingbird, male, tail 
Allen Hummingbird, female, tail 
Calliope Hummingbird, tail 
Calliope Hummingbird 
Lucifer Hummingbird 
Broad-billed Hummingbird 
Xantus Becard . 
Kingbird .... 
Arkansas Kingbird, wing tip 
Cassin Kingbird, wing tip . 
Crested Flycatcher 
Wood Pewee 
Phoebe 
Kingbird 
Least Flycatcher 
Flycatcher (Myiarchus), foot 
Phoebe. 
Western Black Phoebe, head 
Flycatcher (Contopus), foot 
Olive-sided Flycatcher 
Coues Flycatcher 
Western Wood Pewee . 
Flycatcher (Empidonax), foot 
Western Flycatcher, bill 
Hammond Flycatcher, bill 
Wright Flycatcher, bill 
Western Flycatcher, bill 
Hammond Flycatcher. 
Hammond Flycatcher, bill 
Wright Flycatcher, bill 
Horned Lark, head 
Pallid Horned Lark 
Blue Jay 
Rocky Mountain Jay, head 
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