The young gentleman and lady's assistant : partly original, but chiefly compiled from the works of the most celebrated modern authors; calculated to instruct youth in the priciples of useful knowledge: : in five parts, viz. geography, natural-history, elocution, poetry, --and miscellany. : To which is annexed --a short system of practical arithmetic; wherein every example is wrought at large, and the whole, including the money of the United States, rendered easy to the meanest capacity. : This work, is divided into small sections for the convenience of schools. /