Journals (volume 1, 1838 August 2-1840 October 31; volume 2, 1840 November 1-1842 May 6) kept aboard the U.S.S. Vincennes during the U.S. Exploring Expedition led by Charles Wilkes, describing the areas visited (South America, Australia, New Zealand, Samoan Islands, Hawaii, and other Pacific islands), with notes on missionary activity and on the religious, educational, and cultural history of places visited. Includes descriptions of Elliott's travels through Mexico and various parts of the U.S., including the Pacific Northwest and the Ohio and Mississippi River valleys.