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and whether the carbonate of lime whicli the shelis containmight not have been omitted. The composition is, however,so weli es tablished, that the College would not have thought themselves justi fied in omitting either the water Or shelis, and it is only when practitionera are very incautious that this Ialter ingredient can Occasion error, by improper admixture With acidf, or other substances Which can decompose it, and thus alter iis effecis.
Conserva corticis exterioris aurantii hispalensis, P. L. 1787. Conserva flavedinis corticum aurantiorum, Ρ. L. 1765. P. L. 1720.
Tahe of fres h externat rind of oranges separat ed by ras ping, a Pollud. Refined Sugar, three POUnu S. Brui se the rind with a wooden pestie in asto ne mortur; then, after adding the Sugar, bruise it a quin untii the whole is thoroughl vincorporate i.
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Confectio optata, P. L. II 8I. Philonium Londinense, P. L. t 745. Philonium Romanum, P. L. I 720.
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Rub together the optum and the Syria Pprevi ousty heated, then adii the rem aining urticles reduced to poWder, and mi X.
To the credit os modern pharmacy ali those complicatedand confused preparations called Mithridate, Theriaca, &c. arenoW omitted. This Confection may be considered as an effectual substitute for them in practice, and it more nearly RP- proximates to the old Philonium than to any other medicine of the class. The rejection os mithridate Dom the Ρharmacopoeia of 1787 is understood to have been chlesy owing to the late Dr. Heberden. The former proportion os optum is Nearly preserved in the present preparation, but it is tess acridand hol than be re, one half of the former quantity beingsubtracted froin the pepper and added to the carraWay SeedS.It contains one grain os optum in about 36.
Conserva cynosbati, Ρ. L. II 8I. Conserva fructus cynos-bati, P. L. 1745. Ρ. L. 1720.
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The petais are more conveniently bruised by a Wooden mill contrived for the purpose than by beating in a mortar. A modification of this confection has been recommended foreXtemporaneoUS USe, and iis employment may be occasionalty proper, in Whicli seven ounces of dried rose petais and severepounds of resined fugar are mixed in the fame Way, With tWenty fluidounces of Water.
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Electarium e baccis Lauri, P. L. I 7 5. P. L. I 20.
This is introduced as a substitute for the old Bo Bero Electua , which was omitted in the Ρharmacopoeia of I 87. Iis use is confined to clysters.
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Electuarium scammonii, P. L. 1787. Electaritim e Scammonio, P. L. 1745. Electarium caryocostinum, P. L. II20.
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Electuarium Sennae, Ρ. L. 178I. Electarium lenitivum, P. L. 1 45. Ρ. L. 1720.
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3 23 The former lenitive electu ary has been considered as an elegant and effectuat preparation, and is there re retainedwithout alteration. Chea per modifications of it a re hept in many Shops, containing more active PVrgatiVe matters, and Such are improperly substitu ted for it when ordered ; for in the smali quantity Whicti constitutes a dose the difference of
price can scarcely be an objeci. The senna and coriander Seeds are poWdered together, the latior not being ea si ly redu- cibi e to powder alone, and the re maining fibrous part of the Senna Whicli possesses as much po er as the other part of the
leaves, but is more dissicultly powdered, is used for the decoction, to Whicli the other ingredients are asterWards added.
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ΙΤ may be proper under this head to state, as a generalcaution. the necessity Os intimate and complete admixture of the severat ingredients of compounded poWders, and moreospecialty of those to which any of the more actiVe substanceS, as Opium, Scammony, &c. are added; and for this purposeto Pass them, after they are mixed mechanical ly, through a fine sieve. It should also he a generat riale to Leep them in green rather than in colourless glass botiles, as preventingthe action os light upon them.
Pulvis aloes cum guaiaco, P. L. t 87. Pitulae aromaticae, P. L. II 45. Pitulae de diambrae, Ρ. L. lI2O.
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The number of preparations of aloe has seemed to renderit iannecessary to retain the pulViS aloes cum canella, andalso the pulvis aloes cum ferro of the Pharmacopolia of lI87,each of which seem rather suiled to the purpose of eXtem-PoraneOUS Prescription.
Pulvis aromaticus, P. L. 178I. Species aromaticae, P. L. I 45. Species diambrae sine odoratis, P. L. II20.
The quantity of long pepper has been reduced frona an Ounce to half an ounce, and an additional half ounce added