I was first a little bit fast. In sense of form (taxanomical) I think the
term should be variety.
variability and variation seems to be the same. Did you ever heard
variation in time and space.
Could anybody explain me.
Helmut

Helmut "Helix" Nisters
private:
Franz-Fischer-Str. 46
A-6020 Innsbruck / Austria / Europe
phone: 0043 / 512 / 57 32 14
e-mail: [log in to unmask]
website: www.netwing.at/nisters
office:
Natural History Department of the
Tiroler Landesmuseum Ferdinandeum Innsbruck
Feldstrasse 11a
A-6020 Innsbruck / Austria / Europe
phone: 0043 / 512 / 58 72 86 - 37
e-mail: [log in to unmask]
website: www.tiroler-landesmuseum.at


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> Dear Conchlers,
>
> Maybe that I can't understand 2 terms in English language: variability and
> variation. If a species or subspecies
> within a population from the same population shows some differences as a
> band (lighter or darker) or without
> band (like some species of Chilostoma) I'll speak from a wideness of
> variability. In sense of of the rules of
> nomenclature variation is nearly the same as form or abberation. Former
> some subspecies now or less than
> a subspecies have been called forma or variation.
> Please tell me your opinion or explain me the difference of vaiability and
> variation
> thanks
> with best shelling greetings
> Helmut
>
>
> Helmut "Helix" Nisters
> private:
> Franz-Fischer-Str. 46
> A-6020 Innsbruck / Austria / Europe
> phone: 0043 / 512 / 57 32 14
> e-mail: [log in to unmask]
> website: www.netwing.at/nisters
> office:
> Natural History Department of the
> Tiroler Landesmuseum Ferdinandeum Innsbruck
> Feldstrasse 11a
> A-6020 Innsbruck / Austria / Europe
> phone: 0043 / 512 / 58 72 86 - 37
> e-mail: [log in to unmask]
> website: www.tiroler-landesmuseum.at
>