The birds of North and middle America
Subtitle: a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago.
By: By Robert Ridgway.
Contributors: Friedmann, Herbert, 1900-1987.
Series: Smithsonian Institution. United States National Museum. Bulletin ...; No. 50
Publisher: Govt. Print. Off.
Published: 1901
Place of publication: Washington
Language: eng
Subjects: Birds -- North America
Notes: Includes bibliographical references.
Pts. 1-8, 1901-19, by Robert Ridgway; pt. 9-10, 1941-46 by Ridgway, completed by Herbert Friedmann; pt. 11-    1950-      by Friedmann.