Observations on some species of the genera Tetrao and Ortyx, natives of North America
Subtitle: with descriptions of four new species of the former, and two of the latter genus
By: by David Douglas ; read December 16, 1828.
Series: Landmarks of science II
Publisher: R. Taylor
Published: 1833
Place of publication: London
Language: eng
Format: Microform
Number of pages: 149
Subjects: Galliformes -- North America.; Birds -- North America.
Notes: Microfiche. New York, N.Y. Readex Microprint Corporation, [1985?] (Landmarks II)

In Transactions of the Linnean Society of London (London, England : 1804), v. 16 (1833), p. 133-149.