Template:Chapman, 1921

• Chapman, F.M. 1921. Descriptions of proposed new Birds from Colombia, Ecuador, Peru, and Brazil. American Museum Novitates 18: 1–12. The American Museum of Natural History, New York. hdl: 2246/4601 PDF. 
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Nomenclatural acts

• Date of publication: 22 September 1921

New names (12)

• Nothocercus fuscipennis = Nothocercus julius fuscipennis (p.1)
• Penelope barbata (p.3)
• Siptornis wyatti aequatorialis = Asthenes wyatti aequatorialis (p.4)
• Odontophorus parambae canescens = Odontophorus erythrops canescens (p.4)
• Nyctibius longicaudatus chocoensis = Nyctibius aethereus chocoensis (p.5)
• Picumnus parvistriatus = Picumnus sclateri parvistriatus (p.6)
• Thamnophilus zarumae (p.6)
• Leptasthenura xenothorax (p.8)
• Leptasthenura striata cajabambae = Leptasthenura pileata cajabambae (p.9)
• Automolus celicae = Syndactyla ruficollis celicae (p.10)
• Pachysylvia fuscicapilla albigula = Pachysylvia hypoxantha albigula (p.11)
• Sporophila insulata syn. Sporophila telasco (p.12)