Colour polymorphism in gastropods has been the subject of numerous detailed studies and it is clear that various factors are involved.
The National Trust needs to learn more about the wildlife occurring in its 130 formal gardens, attached to historic mansions.
Sat 15 – Sun 16 November 2008
A few years ago I wrote an article for the Conchologists’ Newsletter on ‘lumping’ in the Lymnaeidae.
Ingrid Thomas. Publisher Thames and Hudson 2007, ISBN 978-O-500-51357-.6. A4 Hardback 256 pages £35
Kevin Brown in Mollusc World 15. Pg 22.
The aesthetic appeal of shells is such that few people can resist picking them up o
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