INSTRUCTIONS FOR COLLECT- 
ING AND PRESERVING 
CRUSTACEA. 
As many Entomologists study Crustacea, a 
few brief instructions are added for collecting 
and preserving them. 
Crustacea (familiar examples of which are 
lobsters^ . crabs, shrimps, and woodlice') are 
extremely numerous and highly interesting. 
They are found on the sea shore in empty 
shells, under stones, rubbish, sea weed, in 
little pools, or buried in the sand. Many 
species are also found in rivers, stagnant ponds, 
and ditches, and are often brought up in the 
net while fishing for insects. Some are found 
upon various kinds of fish ; and others under 
the bark of decayed trees. After a storm, or 
gale of wind, as well as on the retiring of the 
tide, the beach should be well searched. It is 
