les of the beer were
produced, all of them of a different colour, and filled with sediment. A
fine of 30_l._ was ordered to be paid by the defendant.

[2] Of this root, several varieties are imported. The white sort, which
has no wrinkles, and no perceptible bitterness in taste, and which,
though taken in a large dose, has scarcely any effect at all, after
being pulverised by fraudulent druggists, and mixed with a portion of
emetic tartar, is sold, at a low price, for the powder of genuine
ipecacuanha root.

[3] Genuine ultramarine should become deprived of its colour when thrown
into concentrated nitric acid.

[4] Genuine carmine should be totally soluble in liquid ammonia.

[5] Genuine madder and carmine lakes should be totally soluble by
boiling in a concentrated solution of soda or potash.

[6] Genuine Antwerp blue should not become deprived of its colour when
thrown into liquid chlorine.

[7] Genuine chrome yellow should not effervesce with nitric acid.

[8] The best Indian ink breaks, splintery, with a smooth glossy
fracture, and feels soft, and not gritty, when rubbed against the teeth.

[9] Genuine white lead should be completely soluble in nitric acid, and
the solution should remain transparent when mingled with a solution of
sulphate of soda.

[10] Genuine vermilion should become totally volatilised on being
exposed to a red heat; and it should not impart a red colour to spirit
of wine, when digested with it.

REMARKS

ON THE

Effect of different Kinds of Waters

IN THEIR APPLICATION TO

DOMESTIC ECONOMY AND THE ARTS;

AND

METHODS OF ASCERTAINING THEIR PURITY.

It requires not much reflection to become convinced that the waters
which issue from the recesses of the earth, and form springs, wells,
rivers, or lakes, often materially differ from each other in their taste
and other obvious properties. There are few people who have not observed
a difference in the waters used for domestic purposes and in the arts;
and the distinctions of _hard_ and _soft_ water are familiar to every
body.

Water perfectly pure is scarcely ever met with in nature.

It must also be obvious, that the health and comfort of families, and
the conveniences of domestic life, are materially affected by the supply
of good and wholesome water. Hence a knowledge of the quality and
salubrity of the different kinds of waters employed in the common
concerns of life, on account of the abundant daily use we make of