coast, and great swell, it was absolutely impossible with oars to save themselves from destruction.
At last philosophy and observation, together with the unwearied perseverance of man bent upon his own views and interest, removed these difficulties, and shewed the mariners of the Arabian Gulf, that these periodical winds, which, in the beginning, they looked upon as invincible barriers to the trading to Sofala, when once understood, were the very means of performing this voyage safely and expeditiously.
The vessel trading to Sofala sailed, as I have said, from the bottom of the Arabian Gulf in summer, with the monsoon at north, which carried her to Mocha. There the monsoon failed her by the change of the direction of the Gulf. The south-west winds, which blow without Cape Gardefan in the Indian Ocean, forced themselves round the Cape so as to be felt in the road of Mocha, and make it uneasy riding there. But these soon changed, the weather became moderate, and the vessel, I suppofe in the month of August, was safe at anchor under Cape Gardefan, where was the port which, many years afterwards, was called Promontorium Aromatum. Here the ship was obliged to stay all November, because all these summer months the wind south of the Cape was a strong south-wester, as hath been before said, directly in the teeth of the voyage to Sofala. But this time was not lost; part of the goods bought to be ready for the return was ivory, frankincense, and myrrh; and the ship was then at the principal mart for these.
I suppose in November the vessel sailed with the wind at north-east , with which she would soon have made her voy-
