The land and freshwater Mollusca of St. Ives, Cornwall Part I: shell-bearing species

Submitted by admin on Sun, 20/11/2011 18:55
JOHN HUMPHREYS
(1980)
Volume
30
Part
3
Page from
155

A marked diversity of habitat type occurs within a small area on the northern coastal belt of Cornwall. The distribution of 43 species of land and freshwater molluscs is mapped on one-km square grid maps and their habitat frequency tabulated.