Key to North American Birds, Fourth Edition

Hardcover in good condition. Front inner hinge starting. Tear to head of spine. Shelf wear. "Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California." Includes General Ornithology and Field Ornithology from previous editions along with an historical preface.. Color frontis of anatomy of a pigeon. Black and white illustrations. The penultimate edition.