CHAPTER XIII. Samoan royalty--King Malietoa--Good-by to friends at Vailima--Leaving Fiji to the south--Arrival at Newcastle, Australia--The yachts of Sydney--A ducking on the _Spray_--Commodore Foy presents the sloop with a new suit of sails--On to Melbourne--A shark that proved to be valuable--A change of course-The "Rain of Blood"-- In Tasmania..