to pass, that the Air coming according to the general Rule, out of the N. E. in the Indian Seas, is sometimes hotter, sometimes colder, than that which by this Circulation is return'd out of the S. W. and by consequence, sometimes the under Current or Wind, is from the N. E. sometimes from the S. W.
That this has no other Cause, is clear from the times wherein these Winds set in, viz. in April, when the Sun begins to warm those Countries to the North, the S. W. Monsoon begins, and blows during the Heats till October; when the Sun being retir'd, and all things growing cooler Northward, and the Heat increasing to the South, the North-East Winds enter and blow all the Winter till April again. And it is undoubtedly from the same Principle that to the Southwards of the Æquator, in part of the Indian Ocean, the North-West Winds succeed to the South-East, when the Sun draws near the Tropick of Capricorn; but I must confess, that