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Within these limits, then, geographical knowledge was confined at the end of the fourth century; limits not sharply defined, but indefinite and wavering according to ages, to the directions of conquest, and to distances from Mediterranean centres. Beyond these limits was a realm of darkness peopled by strange beings, creatures of poetic fancy or crude conjecture. Just as the wonder-land of Homer to contemporaneous eastern Greeks, was Italy, with its strange waters inhabited by very strange beasts, and Sicily, and neighboring isles, where were the Satyrs, and the gigantic one-eyed Cyclops eating milk and mutton and men, so to later teachers were the strange seas beyond. On the north was an impenetrable region of eternal ice; on the south, an equatorial zone of burning heat; a barrier of frost on the one side and of fire on the other, both equally uninhabitable to the European man, and cutting off all communication with possible habitable lands elsewhere. The burning zone, however, seems to have been a popular idea, rather than a part of the system taught by Ptolemy, who, indeed, held that Africa extended south-east and north-east toward the eastern parts of Asia, making of the Indian Ocean an immense gulf not connected with the Atlantic on the west. Strabo and other geographers who preceded Ptolemy gave Africa approximately its correct shape; traditions of its circumnavigation even were kept alive, in spite of Ptolemy's theory, influencing geographic thought not a little during the fifteenth century. Irving is of opinion, Columbus, vol. iii. p. 440, that modern authors consider the knowledge of the ancients concerning Africa much less extensive than has been generally supposed; but Major, Prince Henry, p. 89 et seq., accepts a circumnavigation of Africa in the seventh century b. c., and also Hanno's voyage far down the African coast, placing the date of the latter 570 b. c. Among the philosophers of western Europe no definite hypotheses appear to have been advanced as to the extent of land beyond the known region; as to the ideas of the Arabs and Buddhist priests concerning the matter it is difficult to determine. See Kohl's Hist. Discov., p. 149; Draper's Intellectual Development, p. 451, New York, 1872. Beyond the Fortunate Isles to the west stretched a Mare Tenebrosum, or Sea of Darkness, as early writers express it, separating the known western coast from the far unknown east. In this dark sea tradition planted islands at various points, reiterating the fact of their existence so often that names and locations were finally given them on maps, though the islands themselves have never yet been found. Except these fabulous islands, there was little thought of land between the coasts of Europe and Asia. Compare maps in this volume; also George Bancroft's History of the United States, vol. i. p. 6, Boston, 1870; D'Avesac, in Nouvelles Annales des Voyages, 1845, tom. cv. p. 293; tom. cvi. p. 47.

To sum up the geographical knowledge of the ancients, we have first, the sphericity of the earth surmised, although its size was vaguely conceived and underrated; secondly, the positive knowledge of Europeans limited to the unshaded portion of [the map on page 73]; thirdly, divers theories respecting the conformation of southern Africa; fourthly, a mare oceanum stretching westward to the unknown Asiatic shore, with hypothetical islands intervening, and expressed opinions that this sea was navigable, and that possibly India might be reached by sailing westward. These ideas, vague as they seem, were held only by the learned few; the world of the ignorant reached scarcely beyond the horizon of their actual experience. Not until long after its actual circumnavigation, in the sixteenth century, was the popular mind able to grasp the idea of the earth's sphericity.

We come now to mediæval times, when from the fifth to the fifteenth century the cosmographical as well as all other knowledge of the ancients lay well-nigh dormant; to the people a land of darkness as well as a sea, though in some few colleges and convents these things were thought of. "Ces ténèbres," says Humboldt, Exam. Crit., tom. i. p. 59, "s'étendaient sans doute sur les masses; mais, dans les couvens et les colléges quelques individus conservaient les traditions de l'antiquité." Upon this world of darkness light first broke from the far north, the voyages of the Scandinavians from the ninth to the twelfth centuries being the aurora borealis of maritime discovery. These Northmen, as in their expeditions Danes, Norwegians, and Swedes were indiscriminately called, by their warlike propensities made themselves known and feared along the shores of Europe at an early date; but their western discoveries were known only to themselves; at all events, no trace of distant voyages to the west are found in the records of their neighbors. It is only quite recently that the sagas of the Northmen were brought to the attention of European scholars; and when the Danish bishop, Müller, published his bibliography of the sagas, 3 vols., Copenhagen, 1817-1820, these narratives were held to be more fiction than fact. Even so late a writer as George Bancroft, History of the United States, vol. i. pp. 5, 6, says that the story of colonization by the Northmen "rests on narratives, mythological in form, and obscure in meaning; ancient, yet not contemporary," and that "no clear historic evidence establishes the natural probability that they accomplished the passage." Irving, Columbus, vol. iii. pp. 432-5, considers the matter "still to be wrapped in much doubt and obscurity." Both of these authors, however, seem to have considered only the evidence presented by Malte-Brun and Forster. Since their time proofs beyond question have established the authenticity of these voyages of the Northmen. The sagas on American discoveries are preserved in the archives at Copenhagen, with a collection of other historical data, reaching down to the fourteenth century, the date of their completion. It is true that they deal somewhat in the marvellous—they would not be authentic else, written at that time—but they contain tales no more wonderful or monstrous than the writings of more southern nations. See an account of the Copenhagen documents and the examination of their authenticity in De Costa's Pre-Columbian Discov. Am., pp. i-lx. Two nearly contemporary ecclesiastical histories—that of Adam of Bremen, 1073, and Ordericus Vitalis, about 1100—describe briefly the western lands of the Northmen. Further reference, Kunstmann, Entdeckung Am., p. 32; Rafn, Antiquitates Am., p. 337; Kohl's Hist. Discov., p. 76.

THE NORTHMEN AND THEIR SAGAS.

Vague notions were not wanting of communication with America before the time of the Northmen, but these, whatever they were, are now to us pure speculation and may be omitted here. Passing over a general movement by which before the middle of the ninth century the Northmen appear to have broken through their former bounds, and to have extended their plundering raids in all directions, taking possession of the Shetland and Faroe islands and even of the north of Britain, we come to the first definite adventure westward.

[a. d. 860-4.] Two bold men, Naddod and Gardar, in one of their coast-island cruises, were driven from their course to the north-west and discovered Iceland, called by one Snowland, and by the other Gardar Island. Kohl, Hist. Discov., p. 61, dates both voyages 860; Forster gives 861 to Naddod's; other authors place the former in the year 860, and the latter in 864.

[874.] Ingolf made a settlement in Iceland at a point still called by his name. Other immigrants followed, and a flourishing colony was founded. The Northmen found on the island Irish priests, who had come there at a time not definitely known, but who immediately abandoned the country to the new settlers. Within twenty years thereafter Iceland was fairly well inhabited. De Costa, Pre-Columbian Discov. Am., pp. xxii-iv., makes the date a. d. 875.

[876.] One Gunnbjörn, an Icelandic colonist, is reported to have seen accidentally, from a distance, the coast of Greenland. Kohl dates this voyage 877.

[982-6.] Eric the Red, banished from Iceland for murder in 982, sailed west, found land, remained there three years, and returned, naming the country Greenland to attract settlers. In 985, or 986, he sailed again with a larger force, this time founding a settlement to which other adventurers resorted. Of the first voyage Kohl makes no mention.