170 
% 
Whilst this action* lasted we saw an infinity of water- 
fowl entirely white, fly from all parts of the horizon in 
great flocks, to the spot where the fight was, hovering 
six or eight inches above the water, with a view no 
doubt to seize the fish that might be killed, or the 
smaller ones that might happen to come within their 
reach. 
Monday, 30th March. 
We weighed anchor at midnight, but the calm con- 
tinued. The boats towed the daos at intervals, in con- 
sequence of which we advanced but slowly. The wind 
blew from the south about ten o'clock, and at noon we 
discovered the town of Jenboa, where we .arrived in 
safety at two. 
I had a great dr sire to go to Medina to visit the Se- 
pulchre of the Prophet, notwithstanding the express 
order of the Wehhabites to the contrary. The thing 
was hazardous, but I succeeded in encouraging several 
Turkish and Arab Pilgrims to undertake the risk of the 
journey with me. 
As the Captain had his family at Jenboa, where the 
fleet was going to stay several days, we engaged with 
him that we would return within eight or nine, to which 
he consented. 
I desired at the same time to ascertain the geographi- 
cal position of Medina. Unfortunately the moon was in 
its last quarter, and during the period of the new moon, 
the distances cannot be observed until the morning of 
the 4th of April, and even then it is not far advanced 
in the first quarter, which makes it very difficult to 
bring it by reflection to the appearance of a circle. Two 
eclipses of satellites were to be observed, but the first 
was to take place in the morning of the 2d of April, and 
