1841.
Surveys in the Yangtsze Keäng.
385
W. for a large clump of trees. The soundings will now gradually
increase to 9 or 10 fathoms.
کو
The outer extreme of the fortifications at Woosung will be seen at 7 or 8 miles distance, abreast a clump called the Treble trees:' run on, keeping from 2 to 1 mile off shore, and anchor with the eastern fort S. by W., and the extreme of the wall N. W. by W.; or you may select any other berth you prefer from the chart. Bush island will be seen, the Bush bearing about north. A bar extends some dis- tance from the mouth of the river, with 2 and 4 fathoms, deepening suddenly to 10 and 12 fathoms. Bush island must not be approach- ed nearer than 2 miles.
Being in mid-channel betwixt Woosung and Bush isla stu about N. W. by W., keeping 1 or 2 miles off shore, and you ... shoal gradually from 8 to 44 fathoms: this point is about 2 miles of shore, abreast of the deepest bight: proceeding, you deepen to 14 fathoms, until abreast a grove or clump of trees, 17 or 18 miles from Woosung. When the west end of the trees on Mason island begins to open of the west point of Tsungming (point Harvey), steer to the northward, opening them gradually, and pass point Harvey at a mile distance: it is quite steep.
From point Harvey, steer N. W. W., on for 3 distant hills and a pagoda, approaching no nearer to Mason island, than 2 miles. When past it steer west, keeping about mid-channel. The trees on Mason island must not be brought to the southward of east, to avoid a shoal running out from the north shore, one third of the distance across. When the Pagoda hill bears N. W., and a large bush on the south shore S. W., you are abreast the shoalest part, and must steer N. W. by W. W., for Round-tree point, distant four miles. The soundings about this point are deep and irregular. When past it, and abreast of a creek and mud fort, the bank is very steep, shoaling from 20 to 2 fathoms, aud then to 4 feet. This you avoid by keeping the large bush in sight S. E. by E. E.; and a course W. by N. 8 miles leads abreast of a small circular fort and other buildings, the highest point reached by the Conway. The whole south shore appears very shoal to or 1 mile off. The channel from this point runs probably about N. N. W., but it requires examination. Running in from sea- ward, the most eligible land to make is Saddle island. No land was seen north of Saddle island from the summit of Shawei shan.
Winds, tides, &c. Off the Seshan islands, the time of high water, at full and change, is 11h. 45m; rise, 12 feet. The flood sets W. N. W.; the ebb E. S. E. Generally off the mouth of the river, it is high
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