Nora,
Classification of Mollusca, copyright 1996 by Victor Millard.  It is based
on Vaught's book and Vaught's book is not esential to use this one.  He
does not , however, include all the references that Vaught included in her
work.
  Millard's address  Victor Millard
                     PO Box 27208
                     Rhine Road
                     8050
                     South Africa
 
Fax/phone 27-21-613614
e-mail  [log in to unmask]
 
The book is 566 pages long.
 
It can be obtained as an electronic version at
http://www.aicon.com/sim/index.htm
 
Mine came with a floppy disc and the hard copy.  I do not think that I
have ever used the floppy.  I prefer the bound edition which I can add
annotations to.
 
Hope this information is of use to others.
 
Charlie
******************************************************************************
Charlie Sturm, Jr
Research Associate - Section of Invertebrate Zoology
                     Carnegie Museum of Natural History, Pittsburgh, PA
Assistant Professor - Family Medicine
 
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