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The Geological and Natural History Survey of Minnesota.

Minneaopolis, Minn., 30 Aug. 1880

Prof Charles E. Bessey
Ames, Iowa

I know of nothing in the
English language that can
take the place of your manual
of structural botany. In the
rapid increase of the use of
the compound microscope, more
than commensurate with its
increased cheapness, the
study of the internal structure
of plants in this country is brought