"Facts and Observations connected with the permanent residence of swallows in the United States." Annals of the Lyceum of Natural History of New York, vol. i, pp. 166-168. New York, 1824.

17. Audubon, John James (a citizen of the United States):

"Account of the Habits of the Turkey Buzzard (Vultur aura) particularly with the view of exploding the opinion generally entertained of its extraordinary power of Smelling." In a letter to Professor Jameson. [Note.] This communication was originally intended to be sent to a friend unacquainted with the habits of birds—J. J. A. Edinburgh New Philosophical Journal, vol. 2 (Oct.-Apr.), pp. 172-184. Edinburgh, 1826-1827. Dated "Edinburgh, Dec. 7, 1826."

18. Audubon, John James:

"Observations on the Natural History of the Alligator." In a letter to Sir William Jardine, Baronet, &c. Edinburgh New Philosophical Journal, vol. 2, (Oct.-April), pp. 270-280. Edinburgh, 1826-1827.

Gives the first account of the nesting habits of the American alligator.

19. Audubon, John James:

"Account of the Carrion Crow or Vultur atratus." Edinburgh Journal of Science, vol. vi (Nov.-April), pp. 156-161. Edinburgh, 1826-1827.

Notices the nesting and other habits, and maintains that this species, like the Turkey Buzzard, is guided to its food by sight and not by smell.

20. Audubon, John James: