[Taxacom] Source of quote on taxon ranking

Fred Schueler bckcdb at istar.ca
Thu Apr 25 16:39:46 CDT 2013

Quoting Mark Schildhauer <schild at nceas.ucsb.edu>:

> Googling indicates source as "The History of Biological Theories" by
> Emanuel Radl (1930).  Radl contrasts Darwin and his followers with
> Leibniz' essentialism--
> It was just this idea that Darwin and his followers combated in
> using the same words. They asserted that between
> isolated phenomena there are only unessential differences ;
> in Nature things merge by insensible gradations one into
> the other, just as, for instance, the hamlet becomes the
> village, the village the little town, the large town, the city.
> The distinction between these terms is merely a matter
> of arithmetic, or of an arbitrary scale in the minds of those
> who use them

* so that incorporation of these settlement entities, when it occurs,  
is analogous to the evolution of reproductive isolation.

fred (resident of what's formally a hamlet)
          Frederick W. Schueler & Aleta Karstad
Bishops Mills Natural History Centre - http://pinicola.ca/bmnhc.htm
Mudpuppy Night in Oxford Mills - http://pinicola.ca/mudpup1.htm
Daily Paintings - http://karstaddailypaintings.blogspot.com/
          South Nation Basin Art & Science Book
     RR#2 Bishops Mills, Ontario, Canada K0G 1T0
   on the Smiths Falls Limestone Plain 44* 52'N 75* 42'W
    (613)258-3107 <bckcdb at istar.ca> http://pinicola.ca/

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