THE STORY OF GEOGRAPHICAL DISCOVERY.
INTRODUCTION.
How was the world discovered? That is to say, how did a certain set of men who lived round the Mediterranean Sea, and had acquired the art of recording what each generation had learned, become successively aware of the other parts of the globe? Every part of the earth, so far as we know, has been inhabited by man during the five or six thousand years in which Europeans have been storing up their knowledge, and all that time the inhabitants of each part, of course, were acquainted with that particular part: the Kamtschatkans knew Kamtschatka, the Greenlanders, Greenland; the various tribes of North American Indians knew, at any rate, that part of America over which they wandered, long before Columbus, as we say, "discovered" it.
Very often these savages not only know their own country, but can express their knowledge in maps of very remarkable accuracy. Cortes traversed over 1000 miles through Central America, guided only by a calico map of a local cacique. An Eskimo named Kalliherey drew out, from his own knowledge of the coast between Smith Channel and Cape York, a map
