First, there was the period with which the Dutch were chiefly concerned. The west and north-west coasts received the greater part of their attention, though the voyage of Tasman to the island now bearing his name was a variation from their habitual sphere. The visits of the Englishman, Dampier, to Western Australia are comprehended within this period.
The second period belongs to the eighteenth century, and its hero was James Cook. He sailed up the whole of the east coast in 1770, from Point Hicks, near the Victorian border, to Cape York at the northern tip of the continent, and accomplished a larger harvest of discovery than has ever fallen to the fortune of any other navigator in a single voyage. To this period also belongs Captain George Vancouver, who in 1791, on his way to north-western America from the Cape of Good Hope, came upon the south-western corner of Australia and discovered King George's Sound. In the following year the French Admiral, Dentrecasteaux, despatched in search of the missing expedition of Laperouse, also made the south-west corner of the continent, and followed the coast of the Great Australian Bight for some hundreds of miles. His researches in southern Tasmania were likewise of much importance.
The third period is principally that of Flinders, commencing shortly before the dawn of the nineteenth century, and practically completing the maritime exploration of the continent.
A map contained in John Pinkerton's Modern Geography shows at a glance the state of knowledge about Australia at the date of publication, 1802. Flinders had by that time completed his explorations, but his work was not yet published. The map delineates the contour of the continent on the east, west, and north sides, with as much accuracy as was possible, and, though it is defective in details, presents generally a fair idea of the country's shape. But the line along the south coast represents a total lack of information as to the outline of the land. Pinkerton, indeed, though he was a leading English authority on geography when his book was published, had not embodied in his map some results that were then available.
The testimony of the map may be augmented by a reference to what geographical writers understood about Australia before the time of Flinders.
Though Cook had discovered the east coast, and named it New South Wales, it was not definitely known whether this extensive stretch of country was separate from the western "New Holland" which the Dutch had named, or whether the two were the extremities of one vast tract of land. Geographical opinion rather inclined to the view that ultimately a strait would be found dividing the region into islands. This idea is mentioned by Pinkerton. Under the heading "New Holland" he wrote:* "Some suppose that this extensive region, when more thoroughly investigated, will be found to consist of two or three vast islands intersected by narrow seas, an idea which probably arises from the discovery that New Zealand consists of two islands, and that other straits have been found to divide lands in this quarter formerly supposed to be continuous." The discovery that Bass Strait divided Australia from Tasmania was probably in Pinkerton's mind; he mentions it in his text (quoting Flinders), though his map does not indicate the Strait's existence. He also mentions "a vast bay with an isle," possibly Kangaroo Island. (* Modern Geography 2 588.)
Perhaps it was not unnatural that competent opinion should have favoured the idea that there were several large islands, rather than one immense continent stretching into thirty degrees of latitude and forty-five of longitude. The human mind is not generally disposed to grasp very big things all at once. Indeed, in the light of fuller knowledge, one is disposed to admire the caution of these geographers, whose beliefs were carefully reasoned but erroneous, in face of, for instance, such a wild ebullition of venturesome theory as that attributed to an aforetime Gottingen professor,* (*Professor Blumenbach according to Lang, Historical Account of New South Wales, 1837 2 142.) who considered that not only was Australia one country, but that it made its appearance upon this planet in a peculiarly sudden fashion. His opinion was that "the vast continent of Australia was originally a comet, which happening to fall within the limits of the earth's attraction, alighted at length upon its surface." "Alighted at length" is a mild term, suggestive of a nervous lady emerging from a tram-car in a crowded street. "Splashed," would probably convey a more vigorous impression.
The belief that a strait would be found completely dividing New Holland was a general one, as is shown by several contemporary writings. Thus James Grant in his Narrative of a Voyage of Discovery (1803), expressing his regret that his orders did not permit him to take his ship, the Lady Nelson, northward from Port Jackson in 1801, speculated that "we might also betimes have ascertained if the Gulf of Carpentaria had any inlet to Bass Straits, and if it be discovered secure more quickly to Great Britain the right of lands which some of our enterprising neighbours might probably dispute with us. And this I trust will not be thought chimerical when it was not known whether other Straits did not exist as well as that dividing New Holland from Van Diemen's Land." Again, the Institute of France in preparing instructions for the voyage of exploration commanded by Nicolas Baudin (1800) directed a search to be made for a strait which it was supposed divided Australia "into two great and nearly equal islands."
Another interesting geographical problem to be determined, was whether a great river system drained any part of the Australian continent. In the existing state of knowledge the country presented an aspect in regard to fluvial features wholly different from any other portion of the world. No river of considerable importance had been found. Students of geography could hardly conceive that there should be so large an area of land lacking outlets to the sea; and as none had been found in the parts investigated so far, it was believed that the exploration of the south coast would reveal large streams flowing from the interior. Some had speculated that within the country there was a great inland sea, and if so there would probably be rivers flowing from it to the ocean.
A third main subject for elucidation when Flinders entered upon this work, was whether the country known as Van Diemen's Land was part of the continent, or was divided from it by a strait not yet discovered. Captain Cook entertained the opinion that a strait existed. On his voyage in the Endeavour in 1770, he was "doubtful whether they are one land or no." But when near the north-eastern corner of Van Diemen's Land, he had been twenty months at sea, and his supplies had become depleted. He did not deem it advisable to sail west and settle the question forthwith, but, running up the eastern coast of New Holland, achieved discoveries certainly great enough for one voyage. He retained the point in his mind, however, and would have determined it on his second voyage in 1772 to 1774 had he not paid heed to information given by Tobias Furneaux. The Adventure, commanded by Furneaux, had been separated from the Resolution on the voyage to New Zealand, and had cruised for some days in the neighbourhood of the eastern entrance to Bass Strait. But Furneaux convinced himself that no strait existed, and reported to that effect when he rejoined Cook in Queen Charlotte's Sound. Cook was not quite convinced by the statement of his officer; but contrary winds made a return to the latitude of the supposed strait difficult, and Cook though "half inclined to go over to Van Diemen's Land and settle the question of its being part of New Holland" decided to proceed westward. As will be seen hereafter, Flinders helped to show that the passage existed.
There were also many smaller points requiring investigation. Cook in running along the east coast had passed several portions in the night, or at such a distance in the daytime as to render his representation of the coastline doubtful. Some groups of islands also required to be accurately charted. Indeed, it may be said that there was no portion of the world where, at this period, there was so much and such valuable work to be done by a competent and keen marine explorer, as in Australia.
A passage in a manuscript by Flinders may be quoted to supplement what has been written above, as it indicates the kind of speculations that were current in the conversation of students of geography.* (* Called an Abridged Narrative—Flinders' Papers.)
"The interior of this new region, in extent nearly equal to all Europe, strongly excited the curiosity of geographers and naturalists; and the more so as, ten years after the establishment of a British Colony at Port Jackson on the east coast, and the repeated effort of some enterprising individuals, no part of it beyond 30 leagues from the coast had been seen by an European. Various conjectures were entertained upon the probable consistence of this extensive space. Was it a vast desert? Was it occupied by an immense lake—a second Caspian Sea, or by a Mediterranean to which existed a navigable