Pharmacopoeia officinalis et extemporanea: or, a compleat English dispensatory, in four parts. Containing I. The theory of pharmacy. And the feveral proceffes therein. II. A description of the officinal simples, with their virtues and preparations, Galenical and chymical. III. The officinal compositions; being such of the London and Bates's dispensatory as are now in use; together with fome others of uncommon efficacy, taken from the moft celebrated authors. IV. Extemporaneous prescriptions. Diftributed into claffes fuitable to their intentions in cure