About a mile and a half from Holyhead, at Trefigneth (a house on the quagmire) farm, may be seen some relics of Druidical superstition, and remarkable monuments of the rude art of the Ancient Britons. They are what antiquarians call _cromlechi_. Two derivations have been given for the word cromlech: the one, “an inclining stone,” from the British word _crwm_, bowed, and _llech_, a broad, flat stone; and the other, “a devoted stone or altar,” from the Hebrew _cœrœm-luach_,—the first part expressing the appearance of the upper or principal stone of the cromlech; the second, the horrible use to which, there is good reason to believe, it was put. The stones referred to are called by the Welsh, at this time, _Llechen Trevigneth_, i.e., Trevigneth flat stones; and the field they are in, _Cae’r Llechen_, flat stone field. The writer visited these cromlechs on the 18th of February, 1853, and, assisted by a friend, measured some of the huge, unshapely stones. The western cromlech consists of 5 stones, four of which were undoubtedly uprights, but have fallen from their proper situation, and the table stone, with its flat face, reposes upon them. This superincumbent stone measures 12 feet long, including the piece broken off at the eastern end—it is 6 feet wide, and in some parts about 2 feet in diameter. One of the four stones is 10 feet long, by 4 wide, and about 10 feet in circumference. At the western end of this cromlech are three stones, but for what purpose they were originally used, I wot not. The eastern cromlech consists of 8 stones, two of which are standing; one perpendicularly, the other in an oblique position—following the example of its companions, which have long since bowed beneath the weight or pressure of centuries;—these are 6 feet long, one of which is about 10 feet in circumference, the other 8. There is one reposing longitudinally, measuring 10 feet long, and 6 feet in circumference. The other three are of smaller dimensions. There are two table or superincumbent stones, one of which measures 10 feet long, by 6 wide; the other, 6 feet long, by 5 wide. When first constructed, this cromlech would have admitted a tall man to stand upright in it. When I first approached these ruins, I felt that I was treading the sacred ground of ancient Britons; a longing to comprehend their origin came over me—a yearning to make out the dark enigma that for ages had puzzled the learned and the wise. While walking round these ancient relics, I felt somewhat astonished and bewildered. Awe, amazement, and solemnity, were as a load on my spirit, pressing heavily. I wished to know, but I was ignorant; I wished to admire, but I was awestruck. Ages seem present; shadowy, giant forms, And fantasies that throng the heated brain, Are fluttering to and fro; unhallowed rites, Obscene and cruel, and unearthly shapes, Start into being.