Richard Petit wrote:
>   The Latin word /imbecillis/ means weakness, usually in the context of
> old age.

* or a very thin weak shell, as in the present case. I wouldn't be
surprised at all for Utterbackia imbecillis to grow to 153mm, though
they don't get that big in eastern Ontario.

fred.
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            Bishops Mills Natural History Centre
          Frederick W. Schueler & Aleta Karstad
       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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