Reprint from the American Philosophical Society, new series-volume 41, part 3, 1951. An important reference work for collectors of bird prints. Details the groundwork laid in the field of ornithology prior to Audubon's landmark observations. Illustrated in black and white. Bibliography and index. Dust jacket torn along top edge and front tail edge. pp. 387-591, 2 . cloth, dust jacket. 4to..