industries that have here been developed almost wholly without the knowledge of the bulk of the people in whose midst the factories and mills and machine-shops have sprung up. It is fitting that this exposition should take place in celebration of the centennial anniversary of the opening of the ports of Brazil to the commerce of the world. The exposition finds its appropriate location in the new Rio de Janeiro, with its new avenues and boulevards, docks and warehouses, and the many other improvements which have changed it so recently into a modern city.