Note 353 — Chapter XXIII · AUDUBON IN LONDON
Reading edition
The seventh which he had contributed to the scientific press of Europe, entitled "Notes on the Bird of Washington (Falco Washingtoniana), or Great Sea Eagle," now believed to have been mistaken by him for an immature stage of the true "bird of freedom," the White-headed Eagle. It was dated "London, April, 1828," and was published in Loudon's Magazine for July of that year. See Bibliography, No. 23.