Page:Arrian's Voyage Round the Euxine Sea Translated.djvu/126

 ON

WHICH THE

ANCIENT SHIPS

SAILED IN TWENTY-FOUR HOURS.

is not my intention to dicus here the ubject of ancient navigation; but, a few obervations on the ditances which the'veels of antiquity could fail in twenty-four hours, may not be foreign to the ubject, and tend to illutrate the Voyage now under conideration.

Scylax ays, that a hip will ail 500 tadia, or 57 Englih miles, in the coure of a day; by which it is clear that he means a day only, and not a day and a night, as, when he means both, they are always o pecified. Ptolemy mentions 1000 tadia as the ditance that a hip will fail in a day and a night; from which it appears, that as great a ditance was allowed for the navigation of the night as for that of the day.

The ditances pecified by Scylax (though many of them are etimated by the pace which a hip will ail in a day, or a day