1936 Second Revised Edition. 1568 pp total. Two Hardcovers in Good plus condition, edge wear, gold gilt title on spine. Vol.1 shaken, split hinges, ink notations on rear pastedown. Vol. II , lightly shaken, previous owner’s name on front pastedown, inscription on ffep. Illustrations with ninety-two color plates by Allan Brooks, Francis Lee Jaques, Walter A. Weber, George M. Sutton, and Walter J. Breckenridge, including one plate by Louis Agassiz Fuertes.