Dear Roland,
 
One of them was undoubtedly Cerion uva (Linne, 1758), a white shell about
1", pupoid and well ribbed. Cerion like the salty air but don't like to be
in water.
 
Peggy Williams
 
While exploring
>the island we noticed many land snails, of two species. These
>were interesting in that they were crawling on the cactus
>(Bonaire is very dry and cactus are a prevalent vegetation). It
>seemed unusual to find molluscs in such an arid environment.
>Does anyone know what these snails might be, or be able to
>point me to a reference?
 
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