Page:Arrian's Voyage Round the Euxine Sea Translated.djvu/193

Rh mile, that he did not take uch an additional quantity into the account, where it would make o great a difference.

Two hundred and fifty-two thouand tadia, at eight tadia and one-third to the mile, amount only to 30,240 which is 1200 hort of Pliny's calculation. Can we then uppoe that Pliny, on whoe cientific character it i needles to enlarge, would knowingly have paed over, as not worthy notice, a pace, which, at 75 to a degree, amounts nearly to 17 degrees of latitude, or about 1153 Englih miles?

But the learned Prelate would do well to conider, that Pliny is not the only Roman writer who has aigned 625 feet to the tadium. Columella, in a part of his work above cited, which was written profeedly to explain the præepta menurarum, allots the ame number with Pliny, both of paces and of feet; and Cenorinus, Frontinus, together with the authors of the treatie de Limitibus, and that de Menuris, preberved among the Rei Agrarian Auctores, all concur in giving the ame decription of this meaure. Is it poible to uppoe writers of uch rank and accuracy all uniting in the ame mitake, repecting a circumtance of uch common occurrence? Is it not more reaonable and more natural to uppoe the meaning of Polybius to be, that the Radium, meaured by 600 Roman feet, would be defective one part in 24, compared with its length, if meaured by the ame number of Greek feet; and that therefore it would be neceary to add $1⁄24$ part, or 25 additional Roman feet, to make up the deficiency? and that thee 25 feet were really added, the tetimonies above produced demontrate. The