BALL

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because it combines with alkaline bases, which salts he namesaurates.

Aubi Murias vel Chloruretum. New. See Muriate of Gold.

Avrvu Musivum is the bisulphuret of tin procured by heating a mix-ture of sulphur and peroxide of tin in a close vessel.

Avenge Semin^e. L. E. D. P. Oats, the seeds of the Avena saliva.The decoction forms a bland and nutritive drink, well known underthe name of gruel. The flour is used externally to dust erysipelatousphlegmons; and with equal parts of linseed meal is made into a coldcataplasm with vinegar for contusions, sprains, and scrofulous swell-ings : or with yeast for gangrene.

Avenaine. A chemical principle discovered by Hermbstadt in oats.

Avens. The Gettm urbanum, G. rivalc, and G. montanum. The rootsare said to be tonic and febrifuge, and have been used as a substitutefor bark, but are now seldom prescribed.

Azote, or Nitrogen. A chemical principle constituting 0-79 parts bybulk of the atmosphere, and supposed to be for the purpose of dilut-ing the oxygen and diminishing its stimulus. It enters into mostnutritive substances, and life cannot be maintained with such sub-stances as contain no azote,—sugar, for example.

B.

Bacher's Pills are composed of spirituous extract of black hellebore,myrrh, and carduus benedictus. They were once much celebrated,and in dropsy Dr. Good thinks they merited their reputation.

Badigeon. A preparation for colouring houses, prepared with sawdust,slaked lime, the powder of the stone with which the house is built,and a pound of alum dissolved in a bucket of water. A little ochrewill give a deeper yellow colour.

Bailey's Itch Ointment, is prepared with alum, cinnabar, nitre, andsulphate of zinc, formed into an ointment with lard and sweet oil,coloured with alkanet root, and perfumed with essence of anise,lavender, and sweet marjoram. It is not so effectual as the commonsulphur ointment.

Baldwin's Phosphorus. Ignited nitrate of lime.

Balls. In Farriery, medicines for horses are most frequently given inform of ball, which answers to the term bolus in medicine. Thebest form perhaps is that of an egg, or of a cylinder 2+ inches long,and one inch diameter. They ought to be made fresh when theyare lo be given, as, when become hard, they will not dissolve in thestomach : a bit of very thin paper is usually wrapped round them to