The Crayfish-The Crab. 
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THE CRAYFISH, (Astacus fluviatilis,) 
May be called the lobster of fresh water, and its pre- 
sence is generally esteemed an evidence of the goodness 
of the water. Crayfish are considered a very strength- 
ening food. They are caught in shallow brooks, hid 
under large stones, out of which they crawl backwards 
to seek for their prey, which consists of small insects ; 
the hooks employed to catch them are baited with liver 
or flesh, which they nibble most greedily. 
THE CRAB. (Cancer pagurus.) 
Crabs are of various sizes, some weighing several pounds, 
and others only a few grains, all of different species. 
They do not move forward, but sideways. They have 
a small tail closed on the body ; which forms a con- 
