It ranks next to Amazonas in size, its area, which is largely unsettled and unexplored, being 532,370 sq.
Taking the Lachlan as one type of Australian river, we find it takes its rise amongst the precipitous and almost unexplored valleys of the Great Dividing Range.
The census of Western Australia included only those aborigines in the employment of the colonists; and as a large part of this, the greatest of the Australian states, is as yet unexplored, it may be presumed that the aborigines enumerated were very far short of the whole number of persons of that race in the state.
Of Venus, but he was also expressly commissioned coox to ascertain " whether the unexplored part of the southern hemisphere be only an immense mass of water, or contain another continent."
The chief element of uncertainty as to the largest features of the relief of the earth's crust is due to the unexplored area in the Arctic region and the larger regions of the Antarctic, of which Crustal we know nothing.
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