PaleoNet: Ernst Mayr quotation

[Franz-Josef Lindemann]

Dear all,

Does anyone happen to have the correct reference for the following quotation from Ernst Mayr?

"Taxonomy is the theory and practice of classifying organisms".

Kind regards,
Franz-Josef

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Franz-Josef Lindemann
Natural History Museum, University of Oslo, P.O.Box 1172 Blindern, NO-0318 Oslo, Norway
Phone +47 22 85 16 59
Visiting address: Kabelgaten 40, NO-0580 Oslo