1837
Spring.—Starts overland with Edward Harris and John W. Audubon for New Orleans; there meets the revenue cutter Campbell, and in her and her tender, the Crusader, the party proceeds as far as Galveston, Texas; visits President Sam Houston.
May 18.—Leaves for New Orleans, and on June 8 reaches Charleston. John Woodhouse Audubon is married to Bachman's eldest daughter, Maria Rebecca.
To Washington, and meets President Martin Van Buren.
July 16.—Sails with his son and daughter-in-law on the packet England from New York; reaches Liverpool on August 2d, and on the 7th is in London.
The panic of this year causes loss of many subscribers, but Audubon decides to extend The Birds of America to 87 parts, in order to admit every new American bird discovered up to that time.
1838
June 20.—Eighty-seventh part of The Birds of America published, thus completing the fourth volume and concluding the work, which was begun at Edinburgh in the autumn of 1826.
Summer.—By way of a holiday celebration tours the Highlands of Scotland with his family and William MacGillivray.
Autumn.—To Edinburgh, where, with the assistance of MacGillivray, the fourth volume of his Biography is issued in November.