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 manufctaares [sic], the pearl fishing, the history of plants and animals, with a description of their cities and publick works, number of people, their language, manners and commerce, their habits, oeconomy, and government : the philosophy of Confucius : the state of Christianity, and many other curious and useful remarks /