FOOTNOTES:
[Footnote 1: H. T. Darlington, _Mich. Acad. Sci._, 22nd Ann. Rept.,
1921.]
[Footnote 2: 1914. N. A. Wood, Occ. Pap. Mus. Zool., No. 6.]
[Footnote 3: N. A. Wood, _op. cit._]
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Notes on the Mammals of Gogebic and Ontonagon Counties, Michigan, 1920 Occasional Papers of the Museum of Zoology, Number 109 · 第 11 / 12 题