sentences:  The waters around the Fijian islands, a short distance to the north-west of Tonga, were surveyed during late July and early August 1874.The ship's course was then set westward, reaching Raine Island—on the outer edge of the Great Barrier Reef— at the end of August and thence arriving at Cape York, at the tip of Australia's Cape York Peninsula.Over the following three months, from September to November 1874, the expedition visited several islands and island groups while sailing from Cape York to China and Hong Kong (then a British colony).