The boys,
warned by this accident, carefully removed several large stones from the
roof, and tried the safety of their clay walls with a stout staff, to
ascertain that all was secure, before they again ventured to sleep beneath
this rugged canopy.
CHAPTER V.
"The soul of the wicked desireth evil; his neighbour findeth no favour in
his eyes."--_Proverbs_.
FOR several days, they abstained from lighting a fire, lest the smoke
should be seen; but this, the great height of the bank would have
effectually prevented. They suffered much cold at night from the copious
dews, which, even on sultry summer's evenings, is productive of much
chilling. They could not account for the fact that the air, at night, was
much warmer on the high hills than in the low valleys; they were even
sensible of a rush of heat as they ascended to the higher ground. These
simple children had not been taught that it is the nature of the heated air
to ascend, and its place to be supplied by the colder and denser particles.
They noticed the effects, but understood nothing of the causes that ruled
them.
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