[46] Address at the special meeting of the New York Academy of Sciences, April 26, 1893. [47] Referring to one of the six "epochs" into which, in the same work, Dr. Coues divided the progress of American Ornithology. His "Audubon epoch" extends from 1824 to 1853, and one of the four periods into which this epoch is divided is the "Audubonian period," 1834-1853. [48] Descriptions of the Rapacious Birds of Great Britain. By William MacGillivray, A.M., Edinburgh, 1836, I vol. small 8vo. This valuable treatise is dedicated "To John James Audubon, in admiration of his talents as an ornithologist, and in gratitude for many acts of friendship." Mr. MacGillivray also had then in preparation or contemplation his larger "History of British Birds," 3 volumes of which appeared in 1837-40, but the 4th and 5th volumes not till 1852.--E. C. [49] The completed volume bears date of MDCCCXXXI. on the titlepage and the publisher's imprint of "Adam Black, 55, North Bridge, Edinburgh." The collation is pp. i-xxiv, 1-512, + 15 pp. of Prospectus, etc. This is the text to plates I.-C. (1-100) of the elephant folios. Other copies are said to bear the imprint of "Philadelphia, E. L. Carey and A. Hart, MDCCCXXXI."--E. C. Audubon wrote to Dr. Richard Harlan on March 13, 1831, "I have sent a copy of the first volume to you to-day." [50] We only possess one oil painting signed "Audubon." [51] John Bachman, D.D., LL.D., Ph.D., Feb. 4, 1790-April 24, 1874. Author of many works, scientific, zoological, and religious. For sixty years he was pastor of St. John's Lutheran Church, Charleston, S.C. [52] Both these daughters died young,--Maria, the eldest, who married John, before she was twenty-four; Eliza, who married Victor, still younger, during the first year of her wedded life. [53] Mr. Joseph Coolidge, formerly of Maine, now of San Francisco, Cal. Two others are known by name to every ornithologist through Audubon's _Emberiza shattuckii_ and _Fringilla lincolnii_; for these birds see notes beyond.--E. C. [54] The offices 34 Liberty St., New York, were burned at this time. [55] John James Abert, who was in 1837 brevet lieutenant-colonel of Topographical Engineers, U.S. Army, and afterward chief of his corps. Abert's Squirrel, _Sciurus aberti_, forms the subject of plate 153, fig. 1, of Audubon and Bachman's "Quadrupeds."