• Darwin Archive | 'Origin of Species': portfolios I | Materials for chapter 11: 'Geographic distribution' | Glaciers Portfolio (DAR 50E) | NS I Glacial Period-46 Note, 1809-01-01 - 1882-04-30 | here are 84 genera common to Europe & marked X = extra-tropical or chiefly so, 1809-01-01 - 1882-04-30

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