Preparations of them.--The following directions are of the utmost value in connection with the DOMESTIC PHARMACOPOEIA, DISEASES, PRESCRIPTIONS, and POISONS. _They will be found most important to emigrants, attendants upon the sick, and persons who reside out of the reach of medical aid, sailors, &c., &c. They contain instructions not only for the compounding of medicines, but most useful hints and cautions upon the application of leeches, blisters, poultices, &c._