21st. Went over to the lake in company with Messrs. Monger, Hamersley, and Tommy Windich, with four horses. Succeeded in getting all the loads to the mainland, carrying them about three quarters of a mile up to our knees in mud, from which point the lake became a little firmer, and the horses carried the loads out. I cannot speak too highly of the manner in which my companions assisted me on this trying occasion. Having been obliged to work barefooted in the mud, the soles of Mr. Hamersley's feet were in a very bad state, and he was hardly able to walk for a fortnight. Seeing a native fire several miles to the southward, I intend sending Tommy Windich and Jemmy in search of the tribe to-morrow, in order that I may question them respecting the reported death of white men to the eastward. 22nd. Went over to the lake with all the horses, and brought the loads to the camp. Started Tommy and Jemmy in search of the natives. After returning to camp, overhauled all the pack bags, and dried and re-packed them, ready for a fresh start on Monday morning. Also washed the mud off the horses, who appear to be doing well, and fast recovering from the effects of the bogging. Tommy and Jemmy returned this evening, having seen some natives after dark, but were unable to get near them. 23rd (Sunday). Went with Tommy Windich and Jemmy on foot to follow the tracks of the natives seen yesterday. Seeing no chance of overtaking them, as they appeared to be making off at a great rate, and were twelve hours in advance of us, we returned, after following the tracks for five miles across the lake. The camp was reached at 2 p.m., after we had walked about fifteen miles. This spot, which I named Retreat Rock, I found to be in south latitude 29 degrees 3 minutes 51 seconds by meridian altitudes of Regulus and Mars, and in about longitude 119 degrees 16 minutes east. 24th. Some of the horses having strayed, we were not able to start till 10.40 a.m., when we steered in about East-North-East direction for sixteen miles, and camped on a piece of rising ground, with very little water. From this bivouac, a very remarkable peaked hill, called Woolling, which I named Mount Elain, bore North 162 degrees 15 minutes East magnetic, distant about twenty miles; and two conspicuous hills, close together, called Yeadie and Bulgar, bore North 105 degrees East magnetic. Dense thickets, acacia, cypress, etc., sandy soil with spinifex, most of the way. DISCOVERY OF LAKE BARLEE.