When, on January 31, 1752, Gouverneur Morris was born in the family manor-house at Morrisania, on the lands where his forefathers had dwelt for three generations, New York colony contained only some eighty thousand inhabitants, of whom twelve thousand were blacks. New York city was a thriving little trading town, whose people in summer suffered much from the mosquitoes that came back with the cows when they were driven home at nightfall for milking; while from among the locusts and water-beeches that lined the pleasant, quiet streets, the tree frogs sang so shrilly through the long, hot evenings that a man in speaking could hardly make himself heard.