Variation in Anas cyanoptera
By: by L.L. Snyder and H.G. Lumsden.
Contributors: Lumsden, Harry G.; Royal Ontario Museum of Zoology.
Series: Occasional papers of the Royal Ontario Museum of Zoology -- no. 10
Publisher: University of Toronto Press
Published: 1951
Place of publication: Toronto
Language: eng
Number of pages: 18
Subjects: Anas.; Ducks.
Notes: Caption title.

"August 10, 1951."

Includes bibliographical references.