bckcdb at ISTAR.CA
Tue Oct 12 10:48:23 CDT 1999
JEAN MICHEL MAES wrote:
> Dear Ken Kinman,
> Thanks for the information. Semi-species is a concept very useful to
> explain evolution, because it is something in process.
* I'm not sure you've got information yet, except the information that
the term semi-species has been used in so many ways that it's not of any
general use. I *own* books that would contain the zoological definition
of semi-species (almost certainly what I sent in my first reply), but I
can't *find* the unfortunate wanderers.
> I have seen also in a publication on scarab beetles
> the definition of something called CLINE, which is the same, but
> involving a serial of populations.
* well, a cline is an infra-specific phenomenon, gradual geographic
change (as in your example), but it differs from a semi-species (however
defined) in not being divisible into separate recognizeable taxa.
fred schueler. Y
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