Volcanoes: effects of, on the earth. structure of. action of. isolated position of. submarine effects of. study of.
Voyages: of Columbus. of Sir Walter Raleigh.
Vuelta de Basilio. del Cochino Roto. del Joval.
Vultures.
Walls, Cyclopean.
Wars, religious.
Wasps, fatal effects of the sting.
Water: search for, in the plains. varied colours of. causes of the. scarcity of, after earthquakes. varieties of, in the streams of the Orinoco. theory of the diminution of. properperties of, as a conductor of electricity. temperature of. hogs, see Chiguires. melons. spouts. snakes.
Waters: medicinal. thermal.
Weapons, American.