Page:A Voyage to Terra Australis Volume 2.djvu/352

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338
A VOYAGE TO
[North Coast.

1803.
October.
Saturday 22.

unknown to me, I dare not recommend it to a ship, though very practicable for small vessels in fine weather. The dry bank on the south side of the opening will probably be covered at three-quarters flood.

After clearing the passage, I steered W.N.W. to avoid going near Murray's Islands, lest the small size of the Cumberland should tempt the Indians to make an attack; this they were likely to do if the opportunity offered, and many were standing on the shore with their canoes seemingly in readiness. At 8ʰ 50′ the large island bore S. 6° E. to 13° W., three or four miles; and our position in longitude being very nearly the same with that of my former anchorage, altitudes were taken for the time keeper. The result, when corrected, was 144° 2′ 0″ east, and in the Investigator it had been 144° 2′ 58″, being a difference scarcely worth notice. When it is considered that Wreck Reef, whence the Cumberland's departure was taken, and Coepang in Timor, by which the longitude is corrected, are laid down from observations wholly distinct from those at Upper Head and Sweers' Island, which regulated the Investigator's longitude, this near coincidence will be thought remarkable; and it must also be allowed to show, that an equally accelerated rate and supplemental correction are improvements on the ordinary management of time keepers.

At this time, the large reef to the north of Murray's Islands was distant one or two miles, and we steered westward along it, to get into my former track; but the man at the mast head saying that the water was discoloured, and that he did not think there was any passage in the direction we steered, I thought myself deceived in the distance of the island; and the schooner was hauled up two points to the southward, where the appearance was better. It became evident, however, that the discoloured water was in the same ripplings of tide through which the Investigator had passed without finding bottom at 30 fathoms; and no doubt it was from these ripplings that the discolouring arose.