. Bulletin - United States National Museum. Science. Bethel, Johnson River, Alaska, June 17, 1946 Western Tree Sparrow at Nest L. H. VValkinshaw. Ciiurchill, Manitoba, July 8, 1933 M. C. Baumgartner JUVENILE Tree Sparrow leaving Nest. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc.
. Bulletin - United States National Museum. Science. Bethel, Johnson River, Alaska, June 17, 1946 Western Tree Sparrow at Nest L. H. VValkinshaw. Ciiurchill, Manitoba, July 8, 1933 M. C. Baumgartner JUVENILE Tree Sparrow leaving Nest. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
