釋鑑稽古略續集 1.228

1.228

癸巳十三年。詔以西番僧為國師。伽璘真為大元國師。番云皆即冗該。猶華言事事無礙也　帝自制宮漏約高六七尺。為木櫃藏壺其中。運水上下。櫃上設西方三聖殿。櫃腰設玉女。捧時刻籌。時至輒浮水。而上。左右列二金甲神人。一懸鐘一懸鉦。夜則神人自能按更而擊　又以內苑造龍船。首尾長一百二十尺廣二丈。上有五殿。龍身并殿宇。俱五采金裝。自遊後宮。海子內遊戲。船行則龍首尾眼爪皆動　以宮女撫舞。名天魔舞　每宮中讚佛則按舞奏樂。

In the guisi year, the thirteenth year, an imperial decree appointed a Tibetan monk as National Preceptor, making Jialinzhen the Great Yuan National Preceptor; in Tibetan, it is said to be "Jiejironggai," which corresponds in Chinese to "unobstructed among all phenomena." The Emperor personally designed a palace water clock about six or seven feet high, making a wooden cabinet to house the water jar within, moving water up and down. At the top of the cabinet was installed the Hall of the Three Sages of the Western Paradise; at the waist of the cabinet were installed jade maidens holding time-tally markers, which floated up on the water when the hour arrived. Flanking the left and right were two armored spirit beings, one holding a bell and the other a gong; at night, the spirit beings could strike the watches on their own according to the night hours. Moreover, dragon boats were built in the imperial park, one hundred and twenty feet from bow to stern and two zhang wide, with five halls atop them. The dragon bodies and the halls were entirely adorned in five colors and gold. The Emperor personally toured the rear palace and frolicked within the imperial lakes; as the boat moved, the dragon's head, tail, eyes, and claws all moved. Palace women were ordered to dance, which was called the Heavenly Mara Dance. Whenever the Buddha was praised in the palace, they kept time with the dance and played music.