>Hi Peter:
>Well, as Art says it's impossible you get the real answer. You can
>choose between 57 sps for Zeigler & Porreca (1969), 176 sps. for
>Petuch & Sargent (1986) or "only" 74 sps. for Tursch & Greifeneder
>(2001).
>
>Who is more reasonable? In the last book you can read a very
>critical study about the Genus that can convince you (or not). In
>any case I think that it's a new point of view to consider the
>characteristics of any shell and particularly the Olive shells.

Petuch is a most incredible splitter. Not reasonable at all, methinks.
--
Andrew Grebneff
Dunedin
New Zealand
<[log in to unmask]>
Seashell, Macintosh, VW/Toyota van nut

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