. Bulletin. Animals -- United States; Birds -- United States. N Issued October 2S, 1007. U. S. DEPARTMENT OF AGRICULTURE BIOLOGICAL SURVEY--BULLETIN No. 31 C. HART MERRIAM, Chief AN ECONOMIC STUDY OF FIELD MICE (CtENUS MICROTUS) BY tJOiANlCAl, DAVID E. DANTZ Assistant, Biological Survey. WASHINGTON GOVERNMENT PRINTING OFFICE 1907. 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. Bureau of Biological Survey. Wa
. Bulletin. Animals -- United States; Birds -- United States. N Issued October 2S, 1007. U. S. DEPARTMENT OF AGRICULTURE BIOLOGICAL SURVEY--BULLETIN No. 31 C. HART MERRIAM, Chief AN ECONOMIC STUDY OF FIELD MICE (CtENUS MICROTUS) BY tJOiANlCAl, DAVID E. DANTZ Assistant, Biological Survey. WASHINGTON GOVERNMENT PRINTING OFFICE 1907. 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. Bureau of Biological Survey. Washington : G. P. O.
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjectbirdsunitedstates