1817 he passed the southern boundary of the known territory, and, in conjunction with Surveyor Meehan, made the discovery of Lake Bathurst and the Goulburn Plains. Again, in the year 1821, he proceeded further out, along with several mates, and came upon the Yass Plains. All these discoveries, however valuable for stockholders, may be regarded as but tentative essays in the work of exploration in comparison with what was to follow; yet they must have been highly advantageous in qualifying Hume for the arduous expedition on which his fame must chiefly rest.
While the necessary preparations for this undertaking were afoot, Mr. Berry intimated to the Governor that another person was desirous of being associated with Hume in the position of leader. This was Captain Hovell, of Minto, a retired shipmaster. Having been a professional navigator, he was presumed to be able to reckon longitude and latitude, an accomplishment which the defectively-educated Hume, with all his bushmanship, did not possess. The two men being thus furnished with complementary qualifications, their association in the conduct of the expedition was counted as a certain advantage. This was surely a reasonable expectation; but the event proved that a greater mistake could not have been made. The two leaders, like jealous rivals, quarrelled from the start, kept wrangling throughout the expedition, and, after it was over, maintained a bitter feud, till death put an end to their animosity. The principal share in this work, and credit for the results,