About a mile beyond all villages we skirted the stream along a steep bank, from which point we looked down upon the roofs of houses more than a hundred feet below, and we at length halted and dismounted at a rocky termination of the gorge, from whence issued suddenly the celebrated spring of Kythrea. The mountains rose abruptly upon either side, and a dry ravine above the rocks upon which we stood exhibited the natural channel by which in heavy rains the surface-water would be conducted to the lower stream-bed. A rough arch of masonry and a tunnel in the rock for about forty feet formed the embouchure, from which the water issued into a carefully constructed stone aqueduct, which led directly to the first mill of the Kythrea series, about a hundred and twenty yards distant. The temperature was considerably warmer than the air, but I had no thermometer to mark the difference. The aqueduct would have carried at least one-third more than the present volume, which was about twenty-six inches deep, and three feet in width. The water was beautifully clear and the current rapid, but I had no means of measuring the velocity. The stone-work of the aqueduct, always moist from the percolation, must form a charming exhibition of maidenhair ferns during summer-time, as the crevices were all occupied by plants, whose leaves, even at this season (February), were several inches in length. We strolled up the dry ravine above the spring, and ascended the hill to an extensive plateau, upon which grew two or three caroub-trees; here was a sudden change; the soil was red, and we entered the compact grey limestone (jurassic) which forms the Carpas range. On the extreme verge of the plateau of red soil we had an admirable example of the formation of the conical mounds of earth, two or three of which already existed, while others were in process of development from the melting-away of the soil during heavy rains. As the surface dissolved under the action of rainfall, it flouted down the steep inclinations, until a base was formed, at the expense of the upper area; by degrees gullies were created in the rear, and these would rapidly become deeper under the action of running water, until they reached the lower level of the base. A circle thus formed, an apex would be the natural result of the denudation and decay of the upper surface which would produce a cone. A sudden shower compelled us to take refuge beneath a caroub-tree whose dense foliage saved us from a thorough soaking. The ground having become slippery, we returned upon our narrow and soapy route with some caution, but the careful animals who were well accustomed to these dangerous paths carried us safely to our camp.