The extent of the great gulph called Whang Hay, or the Yellow Sea, being at preſent unknown, it may be left to the Commander’s diſcretion, to proceed up it as far as he may think proper: he muſt be cautious, however, not to entangle himſelf in it too far, left he ſhould not have ſufficient time left for the proſecution of the remainder of his voyage.