Note 41 — Chapter XV · CLAUDIUS GALEN
Reading edition
In his Commentaries on the works of Hippocrates (Epidemic Diseases, III., t. XVII. B. § 4) Galen states that he has often observed this to-and-fro movement of the alae nasi in certain cases of illness and that he has interpreted it as indicating the existence of some serious disorder of the respiratory tract. (Daremberg.)