[Jewelry making - Article 00115] - Re: [Orchid] Shells and growth?

[Anne Hollerbach]

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Oops!

    Apologies to all -- Rene is quite right that the majority of univalve
    shells are right-handed (dextral).  I had one of those moments where
    you say one thing while seeing something else in your mind's eye.
    [Something about the left brain/right brain stuff. My husband knows
    that if I wave to him to turn a certain direction in the car, he
    should turn the direction of the moving hand, not the direction of the
    words I use. "Go left here," I say, pointing with my right hand to the
    right. So he goes right, which is what I wanted.] 

    Anyway, Travis, there is a terrific shell book that explains all this
    in clear terms. It is a short, fascinating read and it changed not
    only the way that I look at shells, but also the way I think about
    shell-forming, as in synclastic and anticlastic raising, and in
    spicula forming. The book is called _A Natural History of Shells_, and
    it is by Geerat J. Vermeij, a Dutch scientist who is probably the
    world's most articulate expert on this subject. It is published by
    Princeton University Press [ISBN 0-691-08596-X, 1993], has great
    illustrations. I have used it for design ideas, and for generating
    assignments for my students. 

Good luck,
Anne



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