New York: George R. Lockwood, 1870. 8 volumes, 8vo. (10 5/16 x 6 3/4 inches). Half-titles. 500 hand-coloured lithographic plates. Publisher's full dark brown morocco, boards ornately blind stamped. Spines with raised bands forming six compartments, lettered gilt in second and fourth departments, the rest tooled blind. Gilt dentelles. Marble endpapers. All edges gilt The rare final octavo edition of Audubon's Birds of America: an important American colour plate book and one of the most desirable books produced in 19th-century America. Ron Tyler, in Audubon's Great National Work, quotes a letter by the publisher's son, Richard B. Lockwood, noting that some time after 1870 the lithographed octavo plates were destroyed when they fell through the floors in a Philadelphia building. The date of the disaster at the Lockwood firm suggests that this final octavo edition was produced in 1871. The octavo edition of Audubon's The Birds of America is certainly the most famous and accessible of…