An account of the constant and periodical trade-winds, or Monsoons, the land and sea breezes, and the variable winds ; together with an account of the setting of the currents, and the strength thereof, as they most commonly happen in the different parts of the East-Indies. . The whole illustrated by examples taken from the journals of several european and country ships ; shewing the reason why some have made their passages, whlst others, in the same season, or perhaps at the very same time, have lost, or at least prolonged theirs