Pp. 432, 167 colored plates and 441 colored distribution maps, other black-and-illustrations. Full red grained leather with gilt-bird on the front and rear cover, spine is gilt-decorated and gilt-lettered, red satin endpapers, all edges gilt, in red cloth slipcase, sm 8vo. This is no. 843 of a special limited edition of 2000 numbered copies and is signed by Roger Tory Peterson on the limitation page.