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contracting until, at four miles above the arm, the shores were less than one mile asunder, and the head of the bay assumed the form of a river, though the water remained quite salt. The depth here was from 4 to 6 fathoms; and the east side of the contracted part being a little elevated, I was able to land and take a set of angles to fix its position. The width and depth continued nearly the same two miles higher up, to a woody islet in the middle of the channel; where the latitude 22° 37′ 6″ was observed from an artificial horizon, and more bearings taken.

A ship may get up as high as this islet, for the channel is no where less than half a mile wide, nor the depth in it under 3 fathoms; but there the stream divides into several branches, which appeared to terminate amongst the mangroves, similar to the branches of the eastern arm. The largest runs S.S.E.; and I could see three or four miles up it, near to the foot of the hills behind Cape Manifold, where it probably ends, as did the southern arm of Port Bowen.

The islet had been visited by Indians, and several trees upon it were notched, similar to what is done by the people of Port Jackson when they ascend in pursuit of opossums. Upon the main, to the west of the islet, where I walked a mile inland, fire places and other signs of inhabitants were numerous, and still more so were those of the kanguroo; yet neither that animal nor an Indian was seen. Around the extinguished fires were scattered the bones of turtle, and the shells of crabs, periwinkles, and oysters of the small kind; and in the low grounds I observed many holes, made apparently by the natives in digging for fern roots. An iguana of between two and three feet long, which lay upon the branch of a high tree watching for its prey, was the sole animal killed; but the mud banks are frequented at low water by sea pies of both kinds, curlews, and small cranes.

The soil was stiff, shallow, and often stony; the vegetation consisted of two or three species of eucalyptus and the casuarina, not