87. ℞. Sodæ Carbonatis ʒij =}= Ferri Sulphat: gr. iij =}= Magnesiæ Sub-carb: ʒj =} I.K.= Aquæ puræ oss =}= Acidi Sulphurici dilut: fʒx =}= Infundatur primum lagenæ aqua, deinde immittantur Salina, et denique Acidum Sulphuricum; illico obturetur lagena, et in loco frigido servetur. NOTE.—_The decompositions which take place in this formula are described in the Essay on the Art of Prescribing, p. 170. There is, however, a precaution respecting the proportion of Sulphuric acid which it is essential to remember, viz.—that it should never be added in excess; for in that case the Sulphate of Iron would not undergo the necessary decomposition._ 88. ℞. Hydrarg: Sub-muriat: gr. x Pil: Cambogiæ comp: =F. } F.= et Extract: Colocynth: comp: āā gr. xv =}= Syrup: Zingib, q. s. =E.= ut fiant Pilulæ xij, e quibus sumantur binæ, hora decubitus, vel summo mane, ad alvum officii immemorem excitandam. 89. ℞. Cambogiæ Contritæ gr. iij Sacch: purificat: ℈j =M.O.E.= Tere optime simul, ut fiat Pulvis, tertia quaque hora sumendus, donec alvus commode purgetur. 90. ℞. Foliorum Sennæ ʒiij Sodæ Sulphat: ℥j =F.= Aquæ fervent: oj =L.N.O= Infunde, et cola, ut fiat Enema. 91. ℞. Resinæ Terebinthinæ f℥ss Vitelli ovi, q. s. =M.= Infus: Lini f℥x =N.O.= Tere Resinam cum vitello ovi, hisque, inter terendum Infusum Lini paulatim adjice. _Fiat Enema._ 92. ℞. Potassæ Super-tart: ℥ij Ferri Tartarizat: ʒiij =G.= Zingib: ℈j =E.= Syrup: Simp: q. s. =O.= dosis ʒij ter die. 93. ℞. Confect: Sennæ ℥ij Ferri Tartarizat: ℈ij =G.= Fiat Electuarium, ad nucis moschatæ magnitudinem sumendum. EMMENAGOGUES. 94. ℞. Sabinæ Foliorum exsiccat: Zingib: rad: contus: āā ℈ss =E.= Potassæ Sulphatis ʒss =G.M.= M. Fiat Pulvis bis die sumendus. 95. ℞. Myrrhæ pulv: ℈j Ferri Ammoniati gr. vj =G.= tere simul et adde Syrup: Zingib: q. s. ut fiat Electuarium, de quo sumatur ad myristicæ nuclei magnitudinem bis quotidie.