172 FENCES.

course of logs rests on these short logs, and
over these there are other short logs on
which the upper course of logs rests.”

“T should think they would roll off of the
short logs,” ‘said Rollo’s mother.

“They cut deep notches or hollows in
the short logs, and thus form beds for the
ends of the long logs to lie in securely.

“This makes a very good, substantial
fence, and a pretty cheap one, where they
have more tall trees for logs than they know
what to do with.”

‘‘T never saw one,” said Rollo.

“OQ, we passed them day before yester-
day ; but you did not notice them, I suppose.
They are not common in the open country,
for there the logs are worth a great deal more
for lumber or for firewood. ‘There is one
great advantage which this fence possesses ;
that is, there is no part underground, and
therefore, it does not rot easily.

‘Next comes the rail fence. When trees
and bushes grow scarce, the farmer has to
economize his materials, and so he splits up
his logs into rails, as they are called, and
then they will go a great deal further. He
generally gets cedar for this purpose, both