Читать книгу Journal of an Overland Expedition in Australia - Ludwig Leichhardt - Страница 9

Mount Nicholson, Expedition Range, Mt. Aldis.

Nov. 27.--A thunder-storm during the night, which passed, however, to the other side of the range. After a gust of wind of short duration, we had some very light showers; so light indeed, as not to interrupt our meat-drying process.

Proceeding on our journey, we ascended the range, and travelled between four and five miles on its level summit, which was covered with open forest, interspersed with thickets of Acacias and Casuarinas. From the extremity of the range we enjoyed a very fine and extensive view. Ranges of mountains with conspicuous peaks, cupolas, and precipitous walls of rock, were observed extending at various distances from west by north to north-west. The most distant range was particularly striking and imposing; I called it "Expedition Range," and to a bell-shaped mountain bearing N. 68 degrees W., I gave the name of "Mount Nicholson," in honour of Dr. Charles Nicholson, who first introduced into the Legislative Council of New South Wales, the subject of an overland expedition to Port Essington; and to a sharp peak N. 66 degrees W., the name of "Aldis's Peak," in acknowledgment of the kind assistance received from Mr. Aldis of Sydney. We then descended, with great difficulty into a broad valley, bounded on either side by fine slopes and ridges, openly timbered with silver-leaved Ironbark. On the small well-grassed flats along the watercourse, the flooded-gum and apple-trees grew to a considerable size.

The morning was cloudy, with occasional drops of rain; but it cleared up towards noon, and, near sunset, a wall of dark clouds rose in the west, over the ranges. Thunder-storms very generally come with westerly cloudy weather, with north-westerly, and northerly winds. We busied ourselves in extracting the oil from the skin of the emu: this operation was performed by suspending it on sticks before a gentle fire, the oil dripping from it into a shallow vessel. It is of a light amber colour, and is very useful in oiling the locks of our fire-arms; it has been considered a good anti-rheumatic, and I occasionally used it for that purpose.

Mr. Gilbert skinned the tail of the kangaroo to make a bag for holding fat; but it broke and ripped so easily when dry, as to render it unfit for that purpose. We used the skins of the kangaroos to cover our flour-bags, which were in a most wretched condition. Our latitude was 25 degrees 19 minutes 19 seconds.

Nov. 28.--Charley and Brown informed us that they had followed the watercourse, and had come to a broad river with precipitous banks, which would not allow any passage for our horses and cattle; they also stated that the watercourse on which we were encamped, became a rocky gully, and that it would be impossible to cross it lower down. From this information I supposed that a river, like the Robinson, rising in many gullies of the north-east ranges, and flowing in south-west direction was before us; I, therefore, decided upon heading it. It was, however, very difficult to find a leading spur, and we frequently came on deep and impassable gullies, surrounded by a dense thicket of cypresspine, and a great variety of shrubs peculiar to sandstone rock. After travelling about nine miles in a N. 15 degrees E. direction, we came to a subordinate range, and having found, in one of its watercourses, some tolerable grass and a fine water-hole, we were enabled to encamp. Mr. Roper and Charley, who had kept a little more to the left, reported that they had been on one of the heads of the Boyd, and had seen a fine open country to the westward, and south-west. The "Boyd" was so named in acknowledgment of the liberal support I had received from Benjamin Boyd, Esq.

Amongst the shrubs along the gullies, a new species of Dodonaea, with pinnate pubescent leaves, was frequent. Towards evening we had a thunderstorm from the westward.

Nov. 29.--In reconnoitring the country in the neighbourhood of the camp, I ascended three mountains, and ascertained that there are five parallel ranges, striking from north to south, of which the three easterly ones send their waters to the eastward; whereas the two westerly ones send theirs to the Boyd, the valley of which has a south-westerly direction. To the north of the Boyd, there is a steep mountain barrier, striking from east to west. All these ranges are composed of sandstone, with their horizontal strata, some of which have a very fine grain. Impressions of Calamites were observed in one of the gullies. We also saw two kangaroos. In the water-hole near our camp, there were numerous small brown leeches, which were very keen in the water, but dropped off as soon as we lifted our feet out of it. The hornets also were very troublesome. Recent bush fires and still smoking trees betokened the presence of natives; who keep, however, carefully out of sight. This country, with its dry scrubby ranges and its deep rocky gullies, seems to be thinly inhabited; the natives keeping, probably, to the lower course of Robinson's Creek and of the Boyd. The descent to the easterly waters is much more gentle; water remains longer in the deep rocky basins or puddled holes of its creeks, and the vegetation is richer and greener. Instead of the cypress-pine scrub, the Corypha-palm and the Casuarina grew here, and invited us to cool shaded waters; the Corypha-palm promised a good supply of cabbage. We had a thunder-storm from the southward, which turned from the range to the eastward. The two last days were cloudless and very hot; but, on the ranges, a cool breeze was stirring from the northward.

Nov. 30.--I wished to move my camp to a small water-hole about eight miles east by north, which I had found yesterday; but, though I kept more to the northward than I thought necessary, we were everywhere intercepted by deep rocky gullies. Losing much time in heading them, I ventured to descend one of the more practicable spurs, and, to my great satisfaction, my bullocks did it admirably well. The valley into which I entered was very different from these barriers; gentle slopes, covered with open forest of silver-leaved Ironbark, and most beautifully grassed, facilitated my gradual descent to the bottom of the valley, which was broad, flat, thinly timbered with flooded-gum and apple-trees, densely covered with grass, and, in the bed of the creek which passed through it, well provided with reedy water-holes. Before I ventured to proceed with my whole party, I determined to examine the country in advance, and therefore followed up one of the branches of the main creek, in a northerly direction. In proceeding, the silver-leaved Ironbark forest soon ceased, and the valley became narrow and bounded by perpendicular walls of sandstone, composed of coarse grains of quartz, rising out of sandy slopes covered with Dogwood (Jacksonia) and spotted-gum. The rock is in a state of rapid decomposition, with deep holes and caves inhabited by rock-wallabies; and with abundance of nests of wasps, and wasp-like Hymenoptera, attached to their walls, or fixed in the interstices of the loose rock. Through a few gullies I succeeded in ascending a kind of table-land, covered with a low scrub, in which the vegetation about Sydney appeared in several of its most common forms. I then descended into other valleys to the eastward, but all turned to the east and south-east; and, after a long and patient investigation, I found no opening through which we could pass with our bullocks. Although I returned little satisfied with my ride, I had obtained much interesting information as to the geological character of this singular country.