A series of black shales with nodular limestones, the Pendleside series, rests upon the Mountain Limestone on the east, south and north-west; much of the upper course of the Derwent has been cut through these soft beds.
Not that this date rests on positive evidence.
The Arithmetica, the greatest treatise on which the fame of Diophantus rests, purports to be in thirteen Books, but none of the Greek MSS.
His fame as an historian rests, is his Deutsche Geschichte vom Tode Friedrichs des Grossen bis zur Griindung des deutschen Bundes (Leipzig, 18 5418 57, 4 vols.).
8, the whole episode of Merab and David perhaps rests on a similar confusion of names.