C.—_By combining Substances, between which no other change is induced than a diminution, or increase in the_ SOLUBILITY _of the principles in which their Medicinal virtues reside_. =L= a. _By the intervention of Substances that act_ CHEMICALLY. =M= b. _By the addition of Ingredients whose operation is entirely_ MECHANICAL. OBJECT V. TO AFFORD AN ELIGIBLE FORM. =N= a. _By which the_ EFFICACY _of the Remedy is enhanced_. =O= b. _By which its_ ASPECT _or_ FLAVOUR _is rendered more agreeable, or its mode of administration more convenient_. =P= c. _By which it is_ PRESERVED _from the spontaneous decomposition to which it is liable_. NARCOTICS. 1. ℞. Extract: Hyoscyami ℈j. Camphoræ gr. viij =B.= Spir: Rectificat: ♏︎ij =N.= Camphoram primum cum Spiritu in pulverem tere, deinde simul contunde et divide massam in Pilulas xij, quarum sumantur tres, omni nocte. 2. ℞. Extract: Conii ʒj Folior: Conii exsiccat: et in pulverem tritorum, q. s. =A.= ut fiant Pilulæ; singulis grana duo pendentibus. Initio sumat æger pilulam unam pro dosi, mane et nocte; postea, binas, et deinde tres vel quatuor; et denique augeatur dosis quantum possit. _Stoerck._ 3. ℞. Opii puri gr. iv Extract: Hyoscyam: et =B. } B.= Extract: Conii āā gr. xv. =}= Simul contunde, et fiat massa in Pilulas sex dividenda, e quibus sumatur una omni nocte. 4. ℞. Extract: Conii et Extract: Hyoscyam: (_in vacuo_ pp:) āā gr. iij =B.= Fiat Pil. bis quotidie sumenda. 5. ℞. Tinct: Opii ♏︎xv Syrup: Papaveris fʒij =A.= Spir: Cinnamom: fʒj =O.= Aquæ puræ f℥jss =N.= Fiat Haustus, invadente paroxysmo caloris in febribus intermittentibus sumendus. _Lind._ 6. ℞ Opii puri, et Camphor: āā ʒss =F.= Emplast: Lithargyri ʒij =O.= Sit scuto pectori. _Bree._