But later investigators are found to be more than a little inclined to dispute Camden’s conclusions; and it is certain that whatever may now be the possibilities of fording the Thames hereabouts, between Walton and Halliford or Shepperton, and however deep the river may now be elsewhere, this could not, as Camden supposes, have been the only possible ford. In Cæsar’s time—it is a truism, of course, to say it—there were no locks or weirs, and the Thames, instead of being what it is now, really to a great degree canalised, flowed in a broader, shallower flood along most of its course, spreading out here and there into wide-stretching marshes, through which, however difficult the crossing, the actual depth of water would tend to be small. But in any case, arguments for or against Coway Stakes must needs be urged with diffidence, for the windings of the Thames must necessarily have changed much in two thousand years. There are not now any of the stakes remaining here, but the disposition of them in the bed of the river has been fully put upon record. They were situated where the stream makes a very pronounced bend to the south, a quarter of a mile above Walton Bridge, and were placed in a diagonal position across it, not lining the banks, as might have been expected. But whether this disposition of them was original, or due to one of the many changes of direction the river has undergone, it would be impossible to say. It seems certain that in the level lands between Chertsey, Weybridge, and Walton the present course of the Thames is not identical with that anciently traced, and that the river has cut out for itself between Shepperton and Walton a way considerably to the north. There still exists a lake, very long and very narrow, in the grounds of Oatlands Park, between Weybridge and Walton, which is reputed to be a part of the olden course of the Thames. It has been pointed out, as a proof of these changes, that there are in this neighbourhood several instances of detached portions of parishes, situated, contrary from expectation, on opposite sides of the river. Thus Chertsey and Walton, both in Surrey, own respectively fourteen and eight acres in Middlesex. Laleham, in Middlesex, possesses twenty-two acres in Surrey, and Shepperton twenty-one acres. Eighteen of these more particularly concern this discussion, since they are part of the ancient grazing-ground of Coway Sale. The name “Coway” has been assumed by some, having reference to the ford, or supposed ford, at Coway Stakes, to be a corruption of “causeway,” while others find in it, according to the spelling they adopt, Cowey = Cow Island, or Coway = Cow Way. The supporters of the last-named form are those who refuse to recognise this place as the true site of Cæsar’s crossing. They point out—ignoring the diagonal course of a ford at this point, heading down river, instead of straight across—that the placing of the stakes more resembled the remains of an ancient weir