The National Zoo at Washington
Subtitle: a study of its animals in relation to their natural environment.
By: With illus. by the author.
Published: 1900
Place of publication: [New York]
Language: eng
Subjects: National Zoological Park, Washington, D.C.; Animal ecology -- Washington (D.C.)
Notes: Caption title.

Detached from The Century magazine, v. 59, no. 5; v. 60, no. 1.