which the moving power resides is blackened, so as to absorb the light of
the sun; the restoration of the plant to its natural state is much longer
in taking place.


_Indian Mills_.


In India, granite is hewn into hand-mills for grinding corn; two or four
of which are a load for an ass or a bullock, and are thus carried to the
bazaar for sale. These are the primeval mills of all countries, which are
mentioned in Scripture, and are still common among all uncivilized
nations.


_Musk_.


Dr. Davey, by some recent experiments, has proved that when musk, in
admixture with quicklime, smells of ammonia, it is impure or adulterated;
and further, that, to preserve it well, it should be made perfectly dry;
but when it is to be used as a perfume, it should be _moistened_.


_Loch Lomond_.


Mr. Galbraith has recently determined the quantity of water annually
discharged by the river Leven from the basin of Loch Lomond to be about
59,939 cubic feet per minute. Now, as 36 cubic feet of fresh water are