A DAY IN THE: DEEP WOODS. 139 
have pursued our way, for they sometimes travel by 
thousands. A very old French writer gives the only 
Ni crabs; and 
were it not 
5 that I had seen 
them on _ the 
march, there are 
some things he 
says the truth of 
which I should be 
inclined to doubt. 
live not ° 
only in a kind 
of orderly and — 
quiet society in their 
retreats in the mountains, but regularly once a year 
march down to the seaside in a body, some millions 
at atime. They choose the months of April and May 
to begin their expeditions, and then sally out from the 
PN ARMY OF prass.° 
