Page:The Passenger Pigeon - Mershon.djvu/113

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Page The Passenger Pigeon - Mershon djvu 113 - Passenger Pigeon and Mourning Dove.png

UPPER SPECIMEN, PASSENGER PIGEON (Ectopistes Migratoria)

LOWER SPECIMEN, MOURNING DOVE (Zenaidura Macroura)

Frequently mistaken for Passenger Pigeon