Colombian Zoological Survey: Part IV -- Further Notes on Colombian Birds, with the Description of New Forms: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 163

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Colombian Zoological Survey: Part IV -- Further Notes on Colombian Birds, with the Description of New Forms: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 167

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Colombian Zoological Survey: Part VII -- On Birds from Narino, Colombia, with the Description of Four New Species: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 232

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Colombian Zoological Survey

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Colombian Zoological Survey: Part V -- New Birds from Colombia: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 221

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Notes on Colombian Birds, with a Description of a New Form of Zenaida: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 144

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Two New Subspecies of Birds from Western Colombia: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 209

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Colombian Zoological Survey

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Colombian Zoological Survey: Part IX -- A New Species of Ant-Bird (Phlegopsis) from Colombia: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 241

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Notes on Colombian Antbirds, Ovenbirds, & Woodhewers: With the Description of a New Form from Peru: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 153

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