"Notes on the Habits of the Wild Pigeon of America, Columba migratoria." Edinburgh Journal of Science, vol. vi (Nov.-April), pp. 256-265. Edinburgh, 1826-1827.
Read before the Royal Society of Edinburgh, February 19, 1827.
"Notes on the Rattlesnake (Crotalus horridus), in a letter addressed to Thomas Stuart Traill, M. D., &c." Edinburgh New Philosophical Journal, vol. 3 (April-Oct.), pp. 21-30. Edinburgh, 1827.
Read before the Wernerian Society of Natural History, February 24, 1827. Reproduced in Journal of the Franklin Institute and American Mechanics' Magazine, vol. ii, N. S., pp. 32-37. Philadelphia, 1828. Later repudiated by the editor; see Thomas P. Jones, "The Romance of the Rattlesnake," [No. 93] of this Bibliography.
"Account of the Method of Drawing Birds employed by J. J. Audubon, Esq., F. R. S. E." In a letter to a friend. Edinburgh Journal of Science, vol. viii, pp. 48-54. Edinburgh, 1828.
"Journey up the Mississippi." The Winter's Wreath for 1829, pp. 104-127. Liverpool and Philadelphia, 1828.