Chapter II: Part III: consists of eight important and interesting chapters: (1) on

the Rites and Ceremonies of the period covered, (2) on Music, (3) on the Pitch-pipes, a series of twelve bamboo tubes of varying lengths, the notes from which were supposed to be bound up in some mysterious way with the good and bad fortunes of mankind, (4) on the Calendar, (5) on the Stars, (6) on the Imperial Sacrifices to Heaven and Earth, (7) on the Waterways of the Empire, and lastly (8) on Commerce, Coinage, etc.