Signed "Walton-Hall, March 10, 1837," and reprinted in Moore's edition of _Essays on Natural History_, referred to above. A long and bitter tirade against both Swainson and Audubon. "You have seen fit to laud one man exceedingly, for his zoological acquirements, who to my certain knowledge, paid other people for the letterpress and drawings, which were to appear in his work." Citation from pamphlet in British Museum Library. 139. (ANON.): "Ornithological Biography ... by John James Audubon. vols. i-iii," Oken's _Isis_, Bd. xxx, pp. 922-928. Leipzig, 1837. 140. SELLS, W.: "On the Habits of the Vultur aura, with notes on the dissections of the two heads of two specimens by R. Owen," _Proceedings of the Zoological Society of London_, Pt. v, pp. 33-35. London, 1837. Favors the view that the vulture is guided to food by the sense of smell. 141. (ANON.): "Ornithological Biography ... vol. iv...." _Athenæum_, London, Dec. 1, 1838, pp. 849-852. 142. (ANON.): "Ornithological Biography ... vol. v...." _Athenæum_, London, vol. for 1839, p. 77. 143. (ANON.) PEABODY, W. B. O.: "Audubon's Ornithological Biography," _North American Review_, vol. i, pp. 381-404 (April). Boston, 1840. 144. (ANON.): "Audubon's Ornithology. A Synopsis of the Birds of North America. Edinburgh, 1839. The Birds of America. London and Edinburgh, vol. 1. New York, 1840," _American Journal of Sciences and Arts_, vol. xxxix, pp. 343-357. New Haven, 1840. 145. ORD, GEORGE: [Reply to Audubon's charge against Wilson, and countercharge against Audubon.] _Proceedings of the American Philosophical Society_, vol. 1, pp. 272-273. Philadelphia, 1840. Report of meeting held September 18, 1840. 146. (ANON.): "The Birds of America ... vol. ii, octavo edition ... published by J. J. Audubon, and J. B. Chevalier," _American Journal of Science and Arts_, vol. xlii, pp. 130-136. New Haven, 1842. "Mr. Audubon has now nearly a thousand subscribers to his work; an instance of liberal support of a work on natural history certainly without a parallel in the New World, and hardly with one in the Old." 147. (ANON.): "A Synopsis of the Birds of North America, by J. J. Audubon. London, 1839," Oken's _Isis_, Bd. xxxvii, pp. 713-718. Leipzig, 1844. 148. WINTERFIELD, CHARLES: "American Ornithology (The Birds of America and Ornithological Biography)," _The American Review: A Whig Journal_, vol. i, pp. 262-274. New York, 1845. 149. WINTERFIELD, CHARLES: "About Birds and Audubon," _The American Review: A Whig Journal_, vol. i, pp. 371-383. New York, 1845. Refers to a meeting with Audubon on a canal boat in Pennsylvania, when the latter was returning from his Missouri River expedition in 1843. See No. 173. 150. WINTERFIELD, CHARLES: