At 7.5 a.m. commenced a course 70 degrees; at 8.0 crossed a granite hill with some grass, after which the country was scrubby till 9.30, when we entered a grassy flat timbered with casuarina; at 10.25 the country was more open, but scrubby; at 12.45 p.m. observed a small lake bearing 10 degrees; steered on that course, and reached it at 2.10 p.m.; halted till 3.15, and then resumed our former course through a swampy country, and at 4.50 camped on the bank of another small shallow lake. Latitude by observation 31 degrees 4 minutes 24 seconds; longitude 117 degrees 4 minutes. 9th August. At 7.35 a.m. steered on a course of 95 degrees through a scrubby country with small wooded valleys; at noon observed several large shallow lakes five to ten miles to the north-east; at 3 p.m. altered the course to 45 degrees, and at 3.30 to north; at 4 p.m. reached a large open flat covered with salicornia and other salt plants, and with shallow lakes of salt water. At the edge of the flat found a native well with good water and a patch of grass around it, and bivouacked. Latitude by observation 31 degrees 2 minutes 22 seconds; longitude 117 degrees 23 minutes 15 seconds. 10th August. At 7.35 a.m. left the bivouac and steered 95 degrees, passed several small salt lagoons in a thick swampy country; at 9.15 entered a gum forest with close underwood, which rendered travelling slow and difficult, but it gradually became more open; at 1 p.m. observed several lakes to the north and east, six to seven miles distant; we then passed a succession of dense thickets and patches of gum forest till 4.25, when we turned north, and at 5.30 halted in an open patch of grass surrounded by swampy thickets. Latitude by observation 31 degrees 1 minute 44 seconds; longitude 117 degrees 45 minutes 10 seconds. 11th August. At 7.25 a.m. steered north-east through gum forest; at 8.30 passed a dry lagoon; at 9.10 changed the course to 95 degrees; the country became more open; at 11.35 ascended an elevated ridge, and saw several bare granite hills to the eastward; steered 75 degrees to the nearest; reached its summit at 1.40 p.m., and halted for the remainder of the day to refresh the horses, there being abundance of water in the hollows of the rock and some grass around the base of the hill. Latitude by observation 30 degrees 58 minutes 47 seconds; longitude 117 degrees 59 minutes 47 seconds. DRY COUNTRY. GRANITE HILLS. 12th August. Leaving the bivouac at 7.30 a.m., steered 122 degrees through alternate patches of gum forest, underwood, and grass; at 11.50 reached the summit of a bare granite hill, from which we could see Lake Brown, bearing 93 degrees to 103 degrees, Eaglestone Hill, 100 degrees, also many other remarkable hills and peaks. Leaving this hill at 12.15 p.m., steered 58 degrees over undulating wooded country with several small watercourses trending to the south; at 4.30 bivouacked at a scrubby hill, near a small pool of rainwater, on a granite rock.