at nearest to the channel is about as large as the city.
Between this island and the main sea, there is a large and very long
channel, having seven fathoms water, all along which a great navy might
safely ride at anchor, without any danger of annoyance from the city,
whence only their masts could be seen. When the moon appears in the
horizon it is full sea, and as the moon advances it ebbs till the moon
comes to the meridian, when it is dead low water; and thence it begins
again to flow till the moon sets, when it is again full sea. The entire
ebb and flow of the sea at this city does not exceed a quarter of a
yard. The most that it rises along the coast is a yard and a half, and
in some places less than three quarters of a yard. But when I made this
observation it was neap tide.

[Footnote 292: This is to be understood of 1541, when visited by De
Castro. Since the Turkish conquest, Mokha and other places have greater
trade.--_Purch_.]

SECTION VI.

_Continuation of the Voyage from Swakem to Comol_.

We remained in the haven of Swakem from the 1st to the 9th of March
1541, when an hour before sunset we weighed from before the city, and
anchored for the night at the mouth of the channel. We weighed again on
the 10th, and came again to anchor at night, when the dew was
wonderfully great. On the 11th it blew a storm from the north, so
violent that it raised great mountains of sand along the sea coast,
after which it dispersed them, and the air remained obscured by the sand
as if it had been a great mist or smoke. We remained at anchor all this
day, and on the 12th we left this channel two leagues beyond _Swakem_,
and being without the channel we made sail. About a league and a half
from the coast there were so many rocks, shoals, and flats, on which the
sea continually broke, that we had to take in our sails and row for
three hours, till we got beyond these shoals, after which we again made
sail. At evening we came to anchor within the bank by a very narrow
channel, a league beyond that we had been last in, and three leagues
from Swakem, but the channel within the entrance was large, with clean
ground, and perfectly secure in all winds.

The 13th we went out of this channel an hour before day, and about a
cannon-shot to seaward we saw a long range of shoals with broken water,
seeming to stretch in the same direction with the coast. At eleven
o'clock the wind turned to the N.N.W. and as our course was N.W. we were