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.