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SAR 309 received the waters of the Sárda at Katái Ghát. The course of the river, as described in that work, is that taken by it up to about 2010, but not since that date. The Sárda enters the plain at Barmdeo in latitude 29°6' , longitude 80°13', 148 miles from its source, which is 18,000 feet above the sea in the mountains which separate Kumaun from Thibet. Barmdeo is 847 feet above the sea, 798 according to Thornton. This river is there 450 feet broad, the minimum discharge is about 5,600 feet on an average of four years, but in the unusually dry season of 1869 it sank to 3,878 in February Shortly after leaving Barmdeo it divides into several channels which reunite wipe milesf urther down at Banbása, but again separate, and finally join at Mandia Ghát, thirteen miles further south, where the last rapids occur, and the bed ceases to be composed of large boulders and shingle. About half way between Banbása and Mandia Ghát at Nagla, on the most westerly branch of the river, it was proposed to orect the weir which was to divert the water into the Sárda canal. This scheme, for which the preliminary surveys were taken in 1859, and for which the complete plan and measurement were prepared in 1868-1872, was finally disallowed in the latter year. The Sárda after a course of 168 miles becomes at Mandia Ghát an ordi- nary plain river; eleven miles further down it touches the territory of Oudh in the pargana of Khairigarh, and 22 miles from Mandia Gháť or 190 from its source it joins the Chauka, near Mothia Ghát. At Banbása the river is 500 feet broad, with an average depth of nearly five feet; at Mothia Gbát the breadth is about 700 feet, and the deepest channel about 10 feet, but the velocity is not above 24 miles an hour. The following particulars of the discharge are taken from the Sárda Canal Report by Major Forbes:- “ From the 15th February to 6th March, 1869, when the river was extraordinarily low, and the levels of springs in the Bangar lands four tofive feet lower than in ordinary seasons, the loss was 23:7 per cent. between Burm Deo and Bunbassa; the discharge at the former place being. 4,747 cubic feet, and at the latter 3,619 cubic feet, or a loss of 1,128 cubic feet per second. "Frora the discharges taken this year, between Bunbassa and Chuknath- pore (20 miles below Delaha), it appears that the volume in the river steadily decreases until it arrives about 20 miles below where the shingly bed ceases and the sand commences. At this point there is a slight incre- ment which goes on increasing for about 40 miles, when the discharge is again diminished "For instance, when the discharge at Bunbassa was 6,022 cubic feet per second; at Moondeea Ghat, 13 miles lower down, where the shingly bed ceases, the discharge was 5,448 cubic feet; at Chunpoora Ghat, 9 miles lower, the supply was 5,162 cubic feet; and again, 7 miles lower, at Bylah, it was 5,124 cubic feet, or practically the same. “Below this point, however, there was an increase; for, at Mooteea Ghát, 6 miles below Bylał, the discharge was 5,502 cubic feet, of which only 40