proposed."
Mr. Stuart was accompanied on his last journey by Mr. Waterhouse, a
clever naturalist, whose report to the Commissioner of Crown Lands of
South Australia, although too long for insertion here, is full of most
interesting information. Unfortunately, the interests of geographical
science were apparently lost sight of in the hurry to effect the grand
object of the expedition, namely, to cross from sea to sea.
Thermometers were forgotten; two mounted maps of the country from
Chambers Creek to Newcastle Water, in a tin case, never came to hand,
and the expedition was provided with no means of estimating even the
approximate height of the elevated land or of the mountains in the
interior. As Mr. Waterhouse remarks: "The thermometers were much
needed, as it would have been very desirable to have kept a register of
the temperature, and to have tested occasionally the degree of heat at
which water boiled on the high table lands. The loss of the maps
prevented my marking down at the time on the maps the physical
features of the country, and the distribution of its fauna and flora."
Mr. Waterhouse divides the country into three divisions. The first,
which extends from Goolong Springs to a little north of the Gap in
Hanson Range, latitude 27 degrees 18 minutes 23 seconds, may be
called the spring and saltbush country. The second division commences
north of the Gap in Hanson Range, and extends to the southern side of
Newcastle Water, latitude 17 degrees 36 minutes 29 seconds. It is
marked by great scarcity of water--in fact, there are few places where
water can be relied on as permanent--and also by the presence of the
porcupine grass (Triodia pungens of Gregory, and Spinifex of Stuart),
which is the prevailing flora. The third division commences from the
north end of Newcastle Water, latitude 17 degrees 16 minutes 20
seconds, and extends to Van Diemen Gulf, latitude 12 degrees 12
minutes 30 seconds; it comprises a large part of Sturt Plains, with soil
formed of a fine lacustrine deposit, the valleys of the Roper filled with
a luxuriant tropical vegetation, and thence to the Adelaide River and
the sea-coast.
On visiting Hergott Springs, Mr. Waterhouse learnt that Mr. Burtt,
whose station* is only a few miles distant, in opening these springs
discovered some fossil bones, casts of which were forwarded to
Professor Owen, who pronounced them to be the remains of a gigantic
extinct marsupial, named Diprotodon Australis. (* Hergott Springs
were only discovered and named by Stuart three years before, yet we
now find a station close by them. The explorer is not far ahead of his
fellow-colonists, as is well remarked by the Edinburgh Review for July,
1862: "Australian occupation has kept close on the heels of Australian
discovery.") Bones of this animal have also been found in a newer
tertiary formation in New South Wales. Mr. Waterhouse considers that
a great tertiary drift extends over this part of the country, obscuring and
concealing at no great depth below the surface many springs, which
may hereafter be discovered as the country becomes better known.
The Louden Spa is a hot spring arising out of a small hillock, and
proceeds from the fissures of volcanic rock. This water is medicinal,
but not disagreeable to the taste: the damper made with it was very
light, and tasted like soda-bread.
In his remarks on the second division Mr. Waterhouse states much that
is valuable. He estimates the height of Mount Hay at two thousand feet,
regarding it as the highest point of the McDonnell Range, which is the
natural centre of this part of the continent. Mr. Waterhouse only saw
Chambers Pillar from a distance, but he had an opportunity of
examining a smaller hill of the same character, and found it to be
composed of a soft loose argillaceous rock, at the top of which was a
thin stratum of a hard siliceous rock, much broken up. "The isolated
hills appear to have been at some remote period connected, but from
the soft and loose nature of the lower rock meeting with the action of
water, had arisen a succession of landslips. These have been washed
away and others have followed in their turn; the upper rock, from being
undermined, has fallen down and broken up, supplying the peculiar
siliceous stones so widely distributed on parts of the surface of the
country."
The vegetation of this district is poor; the myall is scarce, but the mulga
(Acacia aneura) generally plentiful. Both these shrubs are species of
acacia, the myall being of much larger growth and longer lived than the
mulga. Nutritious grass is seldom found except in the immediate
vicinity of the creeks, and the scrubs are very extensive.
Mr. Waterhouse collected a great number of specimens of natural
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