Biodiversity Heritage Library
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Subject "Alder flycatcher"
On eastern Empidonaces with particular reference to variation in E. traillii /
By: Snyder, L. L. (Lester Lynne), - Royal Ontario Museum.
Publication info: Toronto :Royal Ontario Museum,1953.
Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
Subjects: 1953 Alder flycatcher canimp Empidonax Ontario