STRABO. 
151 
xiir.] 
from mouth to mouth, from tribe to tribe, before they were 
noted down. Still several centuries after the time of Herodotus, 
when the Roman power had reached its highest point, little 
more was known of the more remote parts of north Asia. While 
MAP OF THE WORLD, SAID TO BE OF THE TENTH CENTURY. 
Found in a manuscript of the twelfth century in the Library at Turin. 
(From Santareni’s Atlas.) 
Herodotus, in the two hundred and third chapter of his First 
Book, says that “ the Caspian is a sea by itself having no 
communication with any other sea,” Strabo, induced by evidence 
