Completion of second volume of "Birds," also second volume of American Ornithological Biography.
To New York again—more exploring; found books, papers and drawings had been destroyed by fire, the previous year.
Went to London.
Published fourth volume of American Ornithological Biography.
Published fifth volume of "Biography."
Left England for the last time.
Built house in New York on "Minnie's Land," now Audubon Park.