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THE CELTIC MAGAZINE. 103Duuglass, on the bauks of the river ; and here it should be observed asbetween tlie. two extremities of the Wall, east and west, that Avhere ittouches the Vr'dh of Forth at Carriden the heiftlit of its foundation rangesfrom about 150 to 200 feet above the level of the sea, and A\diere itajiproaches the Clyde at Duntocher it is nearly the same—Avhich wasprobably its terminus. There is scarcely a vestige of it now traceablebeyond that, and that it was ever carried farther in reality is a matter ofacknowdedged uncertainty. But scattered fragments of masonry, as wehave seen, and the dimmest indications of a fort deep down in the earthhave been discovered or imagined at Chapel Hill to the westward, whichseems to be about 50 feet above the level of the Clyde—leaving still avery large margin beyond Professor Geikie's estimate ; and a great dealof conjecture about what might, or might not have been there, has beenindulged in by antiquarians. For the present, however, untd proof tothe contrary has been shown, let us accept as a fact that some militarystation had really been established there in connection with the AVallthen, how have its fragments been so widely scattered 1 how has it beenso completely entombed that it can only be guessed at under the soil 1and how has the connection between it and the Wall, more than two milesdistant, been obliterated ? No other fort on the line, tliat we know of,is now in the same condition ;and therefore, we repeat, either theEomans were foolishly contending with the tide, by building too close toits confines, ;yid the tide drove them back and overthrew their works ; orthe fort itself was originally on a higher level, and the shock of an earthquake,or a landslip from the mountains, or both together, carried thewhole mass of masonry and earthwork at this particular point down .totheir, present level, where they w^ould be washed by the tide and silted upin their own ruins. This is a view of the matter, indeed, which no antiquarian,so far as we are aware, lias hitherto adopted ; but any one wli.ochooses to look with an unprejudiced eye, for a moment, at the enormousgap in the hills immediately beliind, reaching down to the shore andincluding this very region, must be satisfied that the case was so ; andrecent discoveries—one of a quay-wall or foundation of a bridge at OldKilpatrick, about 4 feet deep in a field ; and another of a causeway, morethan 20 feet submerged and sdted up under sea-sand, on the same side ofthe river, near Glasgow, will most ju'obably confirm it.One other question, however, yet remains, touching this mysteriousfort, Avhich Ave may be alloAved to say only " Ossian and the Clyde " canenable us to ansAver—Why was such a fort ever thought of there at all 1It Avas either to receive provisions and reinforcements from the sea ; andif so, tlien it must have been on the very verge of the frith, and the Avatermust have beeri sufficiently deep there. Or it Avas to Avatch the estuaryof the liCA^en, and to preA'ent the natiA'e Caledonians either landing fromthe sea, or coming doAvn from the hills to turn the flank of the Wall atDuntocher, and so surprising the Komans in the rear ; and this, beyonddoubt, Avas its most important purpose as a militaiy station on the line.But Ave have elscAvhere explained (in the Avork above alluded to) thatthere Avas a regular route for the Caledonians from Dunglass to Campsie,which still bears the name of Fingal ; and Fyn loch, the very first rendezvouson that line, is on the top of tlxe hill immediately above the fort