Dictionary of Greek and Roman geography . iver,and they project a little so as to form a whole height of the three tiers, if the severaldimensions are correctly given, is about 155 is generally said that the bridge is entirelybuilt of stones, without mortar or cement. Thestones of the two lower tiers are without cement;but the arches of the highest tier, which are builtof much smaller stones, are cemented. At thenorth end of the aqueduct the highest tier of archesand the water channel are higher than the groundon which the aqueduct abuts, and there must havebeen a continuat
Dictionary of Greek and Roman geography . iver,and they project a little so as to form a whole height of the three tiers, if the severaldimensions are correctly given, is about 155 is generally said that the bridge is entirelybuilt of stones, without mortar or cement. Thestones of the two lower tiers are without cement;but the arches of the highest tier, which are builtof much smaller stones, are cemented. At thenorth end of the aqueduct the highest tier of archesand the water channel are higher than the groundon which the aqueduct abuts, and there must havebeen a continuation of small arches along the top ofthis hill; but there are no traces of them, at leastnear the bridge. On the opposite or south side theaqueduct abuts against the hill, which is higherthan the level of the channel. There is no trace ofthe hill having been pierced ; and an intelligentman, who lives near the bridge, says that theaqueduct was carried round the hill, and that itpierced another hill further on, where the tunnelstill ROMAN AQUEDUCT NEAR , 11010 Called THE PONT DU GARD. The stone of this bridge is a yellowish under the sun from the west side, the bridgehas a biightish yellow tint, with patches of darkcolour, owing to the weatlier. The stone in thehighest tier is a concretion of shells and sand, andtliat in the lower tiers appears to be the same. Inthe stones in the highest tier there are halves of abivalve shell completely preserved. The stone alsocontains bits of rougli quartzose rock, and manysmall rounded pebbles. In the floods the Gardonrises 30 feet above its ordinary level, and thewater will tlien pass under all the arches of thelowest tier. The piers of this tier show some marksof being worn by the water. But the bridge is stillsolid and strong, a magnificent monument of thegrandeur of Roman conceptions, and of the boldnessof their execution. Tliere are many works which treat of the an-tiquities of Nimes. Some are quoted and extr
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