INSTRUCTIONS FOR COLLECTING 
AND PRESERVING SHELLS. 
Shells and the animals inhabiting them, are 
extensively collected by many persons who 
also collect insects. They are extremely nu- 
merous and highly interesting, inhabiting both 
salt and fresh water, and abound also on 
land, in trees, shrubs, and vegetables. They 
are very easily collected and transported, and 
constantly occur to the collector while in 
search of insects. A few instructions there- 
fore on the best methods of collecting and 
preserving them may be useful. 
Marine Shells are to be found on the sea 
shore, particularly after storms, and on the 
ebbing of the tide ; also under sea weed, and 
rejectamenta. Fishermen and oyster dredgers 
drag up many species otherwise unattainable. 
Many occur among the Crustacea and escu- 
lent shell fish brought to market. Others, as 
the P kolas and Teredo navalis, perforate rocks, 
planks, posts, the shells of oysters, &c. Many 
