July 29.—Writes to Spencer F. Baird that he was then as anxious about the publication of the Quadrupeds as he ever was about procuring birds.
1842
April.—Occupies his estate, now included in the realty section of upper New York City called Audubon Park, which he deeded to his wife and named for her "Minnie's Land."
September 12.—Starts on a canvassing tour of Canada, going as far north as Quebec, and returns well pleased with his success, after spending a month and traveling 1,500 miles.
Plans for his western journey nearly completed.
1843
March 11.—At fifty-eight, sets out with four companions for the region of the Upper Missouri and Yellowstone Rivers, but is unable to attain his long desired goal, the Rocky Mountains.
November.—Returns with many new birds and mammals.