As travelling near the river was found to be very laborious, on account of the vast beds of loose drift-sand thrown up by the summer floods, we steered to the south-south-east for a pass in the ranges about twenty miles distant, through which the river was supposed to come, but on reaching the hills, the river was observed to the westward; we accordingly altered our course to south-west, and struck it at about six miles; the character of the river being still the same, the aggregate width of the several channels amounting to nearly half a mile; water being procured in them by digging a few inches in the sand. The country passed over during the day was an open plain of light sandy loam, interspersed with bare granite rocks, cropping out at intervals of a few miles. Giant ant-hills of from ten to sixteen feet in height, and thirty to forty feet in circumference (a few of which had already been met with on our first trip), were here remarkably conspicuous, on account of their size and bright brick-red colour. An emu was shot during the day, while running at full speed, at the range of over 200 yards. Camp 58.
Latitude 21 degrees 23 minutes 23 seconds.
15th August.
One of the horses was missing this morning, so we did not start until 10 a.m., when the river was followed up to the south-east through country the same as yesterday; halting for the night in latitude 21 degrees 32 minutes 13 seconds. Camp 59.
16th August.
Our average course to-day was nearly east, occasionally crossing channels coming from the south-east. Towards evening we found that the main channel, which it had been our intention to have followed, had escaped our observation to the southward, and we were only on a comparatively small tributary coming from a rugged range of hills to the eastward. Our object for the present not being to push too far into the interior, this tributary was followed until it broke up into numerous small valleys, in one of which water was obtained by digging three feet in the sand, amongst tolerable feed, the country having much improved in the course of the day. Camp 60.
Latitude 21 degrees 34 minutes.
ROCKY RANGES.
17th August.
Soon after starting this morning we came upon a camp of natives, but we could not prevail upon any of them to stop and hold parley with us. Four hours' travelling over rather rocky ground led us well into the range, which we found to consist of granite, capped with metamorphic sandstones and broken up by dykes of variegated jasper. In a deep ravine at the foot of a cliff we found a small pool of beautiful clear spring water, which was very acceptable, as the sun had now acquired considerable power, and the grasses were beginning to get very dry food for our horses. During the halt at this spring Mr. Harding and myself ascended the highest part of the range, which was found to be 500 or 600 feet above the plain. From this elevation I was enabled to select our onward route, and obtain bearings to several useful summits for triangulation--a few hills to the south-south-east being visible at the distance of sixty or seventy miles, which no doubt form part of the continuation of the Hamersley Range. Resuming an east course, the culminating point of the range was soon passed, when we descended to the eastward down some deep and remarkably picturesque rocky glens, in which were found several springs and pools of water, leading down to a fine grassy flat, in which were growing some fine large flooded-gum trees. Camp 61.