28TH SEPTEMBER.--Thermometer, at 6 A. M., 63 deg.. The horses were much refreshed by that day's repose, and we this morning continued our journey in an easterly direction, over downs and through open scrubs, meeting no impediment from brigalow. We crossed the various branches of a considerable tributary coming from E.S.E., the only water seen this day, besides the great river; which we met with, exactly where, according to its general course, it was to be looked for. We crossed it, and encamped on the right bank of the northern river, at the place where I had previously crossed. This day I had discovered, from the highest parts of the downs, a range to the S. W., and was able to intersect some of the principal hills, and so determine its place and direction. I named the most westerly feature, Mount Gray; the lofty central mass, the Gowen Range, and a bold summit forming the eastern portion, Mount Koenig. I had now obtained data sufficient to enable me to determine the extent of the lower basin of the river, by laying down the position and direction of the nearest ranges. The last-mentioned appeared flat-topped, and presented yellow cliffs like sandstone. At 6 P.M., the temperature was 81 deg.. 29TH SEPTEMBER.--At 6 A.M., the thermometer was 59 deg.. Re-crossing the river, I travelled, in a straight line, towards my camp of 19th September: thus, performing in one, the journeys of two former days. We crossed the main channel we had previously traced down, thus identifying it. The country was, in general, open; the downs well covered with grass, and redolent with the rich perfume of lilies and strange flowers, which grew all over them amongst the grass. We arrived at the spot I sought, and there encamped. Our provisions were nearly out; the sun having reduced the men's sugar, and melted the bacon, which had been boiled before we set out. This was an unfortunate blunder. Bacon, in such warm weather, should be carried uncooked, and our's might have then been very good. The men jocosely remarked, that, although we had out-manoeuvred the natives, the weather had been so hot that, nevertheless, we could not "save our bacon." Thermometer, at 5 P.M., 83 deg..