The Right Lung of a Goose
In birds the lungs are confined to the back wall of the chest. They are not separated into lobes, but are oblong and flattened in shape, and connected with a series of air-receptacles scattered through various parts of the body. Shown is the right lung of a goose. Labels: 1, A bronchial tube which divides into two tubes that open into the abdominal air-receptacles (2).
Cutter, Calvin First Book on Analytic Anatomy, Physiology and Hygiene, Human and Comparative (Philadelphia: J. B. Lippincott & Co., 1875) 98