nodules of the Isle of Sheppey and of Bologne.

Doctor O'Shaughnessy further states, that the _reha_ earth, which I
sent to him from Oude, is identical with the _sujjee muttee_ of
Bengal, and contains carbonate of soda and sulphate of soda as its
essential characteristic ingredients, with silicious clay and oxide
of iron. But in Oude, the term "_sujjee_" is given to the carbonate
and sulphate of soda which remains after the silex has been removed
from the reha. The reha is fused into glass after the carbonic acid
and moisture have been expelled by heat, and the sujjee is formed
into soap, by the addition of lime, fat, and linseed oil, in the
following proportions, I am told:--6 sujjee, 4 lime, 21/2 fat, and
11/2 ulsee oil.

The sujjee is formed from the reha by filtration. A tank is formed on
a terrace of cement. In a hole at one corner is a small tube. Rows of
bricks are put down from one end to the other, with intervals between
for the liquor to flow through to the tube. On these rows a layer of
stout reeds is first placed, and over them another layer composed of
the leaves of these reeds. On this bed the coarse reha earth is
placed without being refined by the process described in the text
above. Some coarse common salt (kharee nimuck) is mixed up with the
reha. The tank is then filled with water, which filters slowly
through the earth and passes out through the tube into pans, whence
it is taken to another tank upon a wider terrace of cement, where it
evaporates and leaves the sujjee deposited. The second tank is
commonly made close under the first, and the liquor flows into it
through the tube, rendering pans unnecessary. It is only in the hot
months of March, April, May, and part of June, till the rains begin
to fall, that the reha and sujjee are formed. During the other nine