60 
LETTERS FROM 
kind of polypus, having blue and lilac arms 
or branches, which we at first supposed to 
have been a sea-weed growing on the stones. 
When we bathe or wade in the water, the 
arms of these polypi stick fast to our feet, 
and breaking off, can only be got rid of by 
very hard rubbing. A handful of wet sand 
is the best application for removing them. 
Our collecting ground being of very small 
extent, we have not yet found many curi¬ 
osities. Besides the Chitons before men¬ 
tioned, we find several species of sea and 
land shells, differing from .those of our own 
country; and among others a pretty little 
reversed, or left-handed shell, Clausilia 
tuberculaia. Before I left home, a scien¬ 
tific and most indefatigable collector in¬ 
formed me that these shells were common 
on this island, and he requested me to pro¬ 
cure him some specimens. We have found 
