Memoirs and observations topographical, physical, mathematical, mechanical, natural, civil, and ecclesiastical : made in a late journey through the Empire of China, and published in several letters : particularly upon the Chinese pottery and varnishing, the silk and other manufactures, the pearl fishing, the history of plants and animals, description of their dities and publick works, number of people, their language, manners and commerce, their habits, economy, and government, the philosophy of Confucius, the state of Christianity, with many other curious and useful remarks /