General Graham, who was with the 2nd Brigade, became first engaged. The Brigade received a check. enemy making a rush, confusion ensued, particularly among tho 65th, and then the same fata befell the Marines. Wo fell back several hundred yards, losing all our Gatlings and Gardners. The Ist Brigade checked the enemy’s onrush, and tho 2nd Brigade, re-formed, after two hours’ fighting, recaptured the lost guns. The Ist Brigade then advanced, cleared the nullahs and hills, and finally captured Osman Digma’s camp. I was with both brigades successively in both notions. The camp contains several hundred tents and water. Fighting is over for the day. X have brought in General Graham’s despatch announcing the victory. I regret to say our loss is about 100 killed, including a good many officers. The enemy s loss is about 2400. '. Tamai, via Snakio, March 13 (12.15 p.m.) Shortly after sunset last night, the infantry were formed into a ninglo largo square, tho intervals all being closed. General Graham ordered five shots from our nine-ponders to be fired into the enemy’s central position. The range was 2000 yards. The shells burst over tho enemies’ heads, and, apparently, did exe cution ; thereatter all was quiet for a time. About 11 o’clock Commander Rolfe, having got permission, stole out of the camp alone to observe the enemy. Ho returned about mid night, and reported having seen Arab pickets a mile and a half in front. He passed two of their dead killed by our shells, and saw six men asleep. Creeping among the bushes to the top of the 'ridge, be was able to see tho enemy’s numerous camp fires in the hollow close beside the Wells. At a quarter to lin the morning, several parties of Arabs who had approached to within a thousand yards.of our camp, on the S. W, and S.E, sides opened » sharp rifle fire upon the square. Their shots mostly were too high, but one or two animals were hit, and an Egyptian driver received a slight wound. On the first alarm our men were all op the alert, lying down their Martinis In their bands, ready to receive the Arabs, The bright moonlight was favorable to us, as objects were visible for a considerable dis tance, and any sudden rush could have been quickly checked. 