We alluded in the last Sketch to a work in eight small volumes called "New Collection of Tried Prescriptions," a book which answers to our "Domestic Medicine," and professes to supply well-authenticated remedies for some of the most common ills that flesh is heir to. This book gives a fair idea of the principles and practice of medical science in China. It is divided into sections and subdivided into chapters under such headings as the _eye_, the _teeth_, the _hand_, the _leg_, &c. &c. We gave a specimen of the prescriptions herein brought together in our late remarks upon the methods of extracting teeth, but it would be doing an injustice to the learning of its author if we omitted to point out that in this book remedies are provided, not only for such simple complaints as chilblains or the stomach-ache, but for all kinds of serious complications arising from the evil influence of demons or devils. One whole chapter is devoted to "Extraordinary Diseases," and teaches anxious relatives to give instant relief in cases of "the face swelling as big as a peck measure, and little men three feet long appearing in the eyes." "Seeing one thing as if it were two," would hardly be classed by London doctors as an extraordinary disease, and is not altogether unknown even amongst foreigners in China. "Seeing things upside down after drinking wine," belongs in the same category, and may be cited in proof of a position take up by most observers, namely, that the Chinese are a sober people. "Seeing kaleidoscopic views which turn to beautiful women," "the flesh becoming hard as a stone and sounding like a bell when tapped," "objecting to eat in company," and such diseases have each a special prescription offered by the learned Dr Wang with the utmost gravity, and accepted in good faith by many a confiding patient.