192 Scientific Intelligence.*^ Arts. 
beauty of the foliage and flowers, make it a great ornament of 
the plains ; and its wood is precious, inasmuch as it is not 
exposed, like other wood, to destruction from the attacks of the 
white ants. The flowers of the mowah are dried, and are used 
for acidulating “ les mets,” and especially for the distillation of 
arrack. They give a great degree of strength to this liquor, and 
arrack made with these flowers, is distinguished by the name of 
mowali arracTc. In a favourable season, a good mowah pro- 
duces from two to three hundred pounds of flowers. A thick 
oil-like butter is obtained from the fruit, and used for domestic 
purposes. — The harh or pamyra grows upon the banks of the 
Nerbudda and other rivers of the Guzerat. A good tree of this 
species furnishes daily 43 quarts of tars or palm wine, from 
which a pound of gaggaria or coarse sugar may be got. The 
sugar-cane is cultivated in several places of this country, but 
in place of manufacturing sugar from it, they are contented 
with selling daily in the market the canes with the juice, of 
which the Hindoos are very fond. — The celebrated Danish 
chemist, M. Oersted shows, that of all the fruits which grow 
in Denmark, the apple is that which, together with a great 
quantity of sugar, produces the drink which approaches nearest 
to wine. Cherries, gooseberries, and other fruits, from which 
it has beentried to extract vinous drinks, are by no means pro- 
per for that purpose. He hopes, in the course of a few years, 
to be able to manufacture very good wine with the juice of the 
apple and sugar. — The sap of the trunk of the birch, is of all 
vegetable substances that which furnishes the best means of imi- 
tating Champaigne, which is adulterated in London and Ham- 
burgh, in the manufactories, with different sorts of berries, and 
especially whortles. — Bulletin Universel. 
2S, Browii's Gas Vacuum Machine. — This machine having 
excited considerable attention both here and in England, we 
consider it right to state our opinion in regard to it. We shall 
feel happy, both on account of the patentee and the public, to 
find that we have been mistaken in the view we are now to lay 
before our readers. In this period of boundless speculation too 
much caution cannot be used. The object of this engine, as its 
name implies, is to obtain power by means of the vacuum ere- 
