CHAPTER XV.
COLONEL WARBURTON'S JOURNEY ACROSS THE WESTERN INTERIOR.
M'Douall Stuart's crowning feat in exploration was soon turned to good account. The idea of a transcontinental telegraph now passed from the realms of Utopia and became a realized fact. The commercial interests of Australia had been urgently in need of communication with the Indo-European lines already existing, but the great desert of the interior was believed to interpose an impenetrable barrier. Now, at last, this misconception, which had been founded on ignorance, was removed by Stuart, who discovered a belt of good country stretching across the interior and reaching to the Indian Ocean. Along this route, with few deviations, the line runs from the Adelaide extension in the south to Port Darwin in the north. In this most creditable enterprise, which was com-completed in 1872, South Australia spent £370,000, and rendered excellent service to the exploration, as well as to the commercial interests, of Australia. Here was a new base-line for explorers, intersecting the continent from end to end. This advantage was not long in being put to practical use. In South Australia the question of further exploration began to be agitated as soon as the line was opened. The Govern-
