Pushing his way, eagerly and industriously through the crowd, the laborious aguador, or water carrier elbows his way, as he trots his rounds to fulfil his daily task with his twin jars of the refreshing fluid, one of which he bears upon his back, suspended by a strap around his brow, and balanced by another which depends from a leathern thong, which rests upon the back of his head. Hard by the aguador, appear the carbonero, or coal dealer,—the poultry seller,—the