London: Published Under the Auspices of the New York Zoological Society by Witherby & Co., 1918-22. In four volumes. First and limited edition, #257/600 numbered copies. Folio. Title-pages printed in red and in black. Illustrated with 90 lithographed or collotyped color plates, after A. Thorburn, G.E. Lodge, H. Gronvold, L.A. Fuertes, Chas. R. Knight, H. Jones, and E. Megargee (including frontispieces); 88 photogravures after photographs by Beebe; 16 maps printed in red and in black; captioned tissue guards. Publisher's burgundy cloth, stamped in gilt, boards and extremities rubbed; top edges gilt, other edges trimmed; scattered foxing and toning; tissue guard partially stuck to plate LXIII; some tissue guards torn, creased, or loose.