CHAPTER I. 
On Cleaning and Packing Shells. 
SHELLS frequently receive considerable inju- 
ry, and sometimes are entirely spoiled, by the- 
attempts of unskilful persons to clean them *. 
It is therefore of essential consequence that the 
following observations be most strictly attend- 
ed to. 
% The sailors of whale ships often grinc down the fineepi- 
dermis of rare shells, on the voyage home, to make them look 
pretty. \ 
