Hence the value of the protection of a roof and of a raised
sleeping-place, to a man sleeping under a blue sky in still weather,
admits of easy interpretation.
Various Methods of Bivouacking.--Unprotected.--Mr. Shaw, the traveller
in Thibet, says:--"My companion and I walked on to keep ourselves warm,
but halting at sunset, had to sit and freeze several hours before the
things came up. The best way of keeping warm on such an occasion, is to
squat down, kneeling against a bank, resting your head on the bank, and
nearly between your knees. Then tuck your overcoat in, all round you,
over head and all; and if you are lucky, and there is not too much wind,
you will make a little atmosphere of your own inside the covering, which
will be snug in comparison with the outside air. Your feet suffer
chiefly, but you learn to tie yourself into a kind of knot, bringing as
many surfaces of your body together as possible. I have passed whole
nights in this kneeling position, and slept well; whereas I should not
have got a wink had I been stretched at full length with such a scanty
covering as a great-coat."
Bushes.--I have shown that the main object before sleeping out at night
is to secure a long wind-tight wall, and that the next is to obtain a
roof. Both these objects may be attained by pleachingtwo or three small
neighbouring bushes into one; or branches may be torn off elsewhere and
interwoven between the bushes.
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