On Nisus Cooperi (Bonaparte), and N. Gundlachi (Lawrence)
By: by Robert Ridgway.
Contributors: Academy of Natural Sciences of Philadelphia
Series: Miscellanea ornithologica -- v. 16; Proceedings of the Academy of Natural Sciences of Philadelphia -- [1875]
Publisher: Academy of Natural Sciences
Published: 1875
Place of publication: Philadelphia
Language: eng
Number of pages: 88
Subjects: Falcons
Notes: Caption title.

Includes bibliographical references.

J.H. Fleming Collection.