A RULING PASSION, 4D In process of time our enthusiast married, and became a family man. He relates that for a long period (of nearly twenty years) his life was a succession of vicissitudes. He tried various branches of commerce, but they all proved unprofitable— doubtless, as he himself acknowledges, because his mind was filled constantly with a passion for ram- bling in search of those objects from which his taste derived the highest gratification; and the result was that he proceeded, in opposition to the advice and remonstrances of his friends, to break through all bonds, and give himself up wholly to his favourite pursuit. Any one, he says, who had then watched his course, would have pronounced him callous to every sense of duty; and regardless of the interests of his wife and children, he un- dertook long and tedious journeys, ransacked the woods, the lakes, the prairies, and the shores of the Atlantic, and spent years away from his family; and all this, as he distinctly states, simply to enjoy the sight of nature, for at that time he had formed no intention of communicating his observations to the world. An acquaintance accidentally formed with Prince Lucien Bonaparte, the distinguished naturalist, was the means of directing Mr Audubon’s thoughts to the publication of his great work, and deter- mined him, for that purpose, to carry his collection