Circular on geographical distribution and migration of North American birds for 1887
Contributors: American Ornithologists' Union.
Series: Ornithology and Mammalogy Circ. No. 8
Publisher: [s.n.]
Published: 1887
Place of publication: Washington, D.C
Format: Microform
Subjects: United States. Bureau of Biological Survey -- Public records.; Birds -- Migration -- United States.