CHAPTER XVIII.. Captain Keppel Sails for China.--Calcutta.--the Dido Ordered to

Captain Keppel sails for China.--Calcutta.--The Dido ordered to Borneo again.--Arrival at Sarawak.--Effect of her presence at Sarawak.--Great improvements visible.--Atrocities of the Sakarran pirates.--Mr. Brooke's letter.--Captain Sir E. Belcher's previous visit to Sarawak in the Samarang.--Coal found.--Second letter from the Rajah Muda Hassim.--Expedition against the Sakarran pirates.--Patusen destroyed.--Macota remembered, and his retreat burnt.--Further fighting, and advance.--Ludicrous midnight alarm 257