What kind of instrument is this?

It is shaped like a tiger, with twenty-seven irregularities on its back. Another _, with bamboo for it, analyzed its half for 24 stems. When it is played, it is held on the irregularities and scraped horizontally three times as the end of the piece.

_ (sound and) qing long 68.5cm, high 32.5cm. the national palace museum collection qing dynasty old collection, used in the court and shao music.

Many documents have recorded ___, "the book Yi Jik": "under the pipe drums and drums, together stop ___." The Er Ya interpretation of music: "So the drum _ is called _." The "sparse": "_ such as the volcano, the back of the twenty-seven __, carved with wood, long feet oak."