第 6 节
作者:风雅颂      更新:2021-02-27 00:24      字数:9321
  THE VOYAGE OF CAPTAIN ABEL JANSEN TASMAN FOR THE DISCOVERY OF SOUTHERN COUNTRIES。 1642…43。 By direction of the Dutch East India Company。  'Taken from his original Journal。'
  CHAPTER I:  THE OCCASION AND DESIGN OF THIS VOYAGE。
  The great discoveries that were made by the Dutch in these southern countries were subsequent to the famous voyage of Jaques le Maire; who in 1616 passed the straits called by his name; in 1618; that part of Terra Australia was discovered which the Dutch called Concordia。  The next year; the Land of Edels was found; and received its name from its discoverer。  In 1620; Batavia was built on the ruins of the old city of Jacatra; but the seat of government was not immediately removed from Amboyna。  In 1622; that part of New Holland which is called Lewin's Land was first found; and in 1627; Peter Nuyts discovered between New Holland and New Guinea a country which bears his name。  There were also some other voyages made; of which; however; we have no sort of account; except that the Dutch were continually beaten in all their attempts to land upon this coast。 On their settlement; however; at Batavia; the then general and council of the Indies thought it requisite to have a more perfect survey made of the new…found countries; that the memory of them at least might be preserved; in case no further attempts were made to settle them; and it was very probably a foresight of few ships going that route any more; which induced such as had then the direction of the Company's affairs to wish that some such survey and description might be made by an able seaman; who was well acquainted with those coasts; and who might be able to add to the discoveries already made; as well as furnish a more accurate description; even of them; than had been hitherto given。
  This was faithfully performed by Captain Tasman; and from the lights afforded by his journal; a very exact and curious map was made of all these new countries。  But his voyage was never published entire; and it is very probable that the East India Company never intended it should be published at all。  However; Dirk Rembrantz; moved by the excellency and accuracy of the work; published in Low Dutch an extract of Captain Tasman's Journal; which has been ever since considered as a very great curiosity; and; as such; has been translated into many languages; particularly into our own; by the care of the learned Professor of Gresham College; Doctor Hook; an abridgment of which translation found a place in Doctor Harris's Collection of Voyages。  But we have made no use of either of these pieces; the following being a new translation; made with all the care and diligence that is possible。
  CHAPTER II:  CAPTAIN TASMAN SAILS FROM BATAVIA; AUGUST 14; 1642。
  On August 14; 1642; I sailed from Batavia with two vessels; the one called the Heemskirk; and the other the Zee…Haan。  On September 5 I anchored at Maurice Island; in the latitude of 20 degrees south; and in the longitude of 83 degrees 48 minutes。  I found this island fifty German miles more to the east than I expected; that is to say; 3 degrees 33 minutes of longitude。  This island was so called from Prince Maurice; being before known by the name of Cerne。  It is about fifteen leagues in circumference; and has a very fine harbour; at the entrance of which there is one hundred fathoms water。  The country is mountainous; but the mountains are covered with green trees。  The tops of these mountains are so high that they are lost in the clouds; and are frequently covered by thick exhalations or smoke that ascends from them。  The air of this island is extremely wholesome。  It is well furnished with flesh and fowl; and the sea on its coasts abounds with all sorts of fish。  The finest ebony in the world grows here。  It is a tall; straight tree of a moderate thickness; covered with a green bark; very thick; under which the wood is as black as pitch; and as close as ivory。  There are other trees on the island; which are of a bright red; and a third sort as yellow as wax。  The ships belonging to the East India Company commonly touch at this island for refreshments on their passage to Batavia。
  I left this island on the 8th of October; and continued my course to the south to the latitude of 40 degrees or 41 degrees; having a strong north…west wind; and finding the needle vary 23; 24; and 25 degrees to the 22nd of October; I sailed from that time to the 29th to the east; inclining a little to the south; till I arrived in the latitude of 45 degrees 47 minutes south; and in the longitude of 89 degrees 44 minutes; and then observed the variation of the needle to be 26 degrees 45 minutes towards the west。
  As our author was extremely careful in this particular; and observed the variation of the needle with the utmost diligence; it may not be amiss to take this opportunity of explaining this point; so that the importance of his remarks may sufficiently appear。  The needle points exactly north only in a few places; and perhaps not constantly in them; but in most it declines a little to the east; or to the west; whence arises eastern and western declination:  when this was first observed; it was attributed to certain excavations or hollows in the earth; to veins of lead; stone; and other such…like causes。  But when it was found by repeated experiments that this variation varied; it appeared plainly that none of those causes could take place; since if they had; the variation in the same place must always have been the same; whereas the fact is otherwise。
  Here at London; for instance; in the year 1580; the variation was observed to be 11 degrees 17 minutes to the east; in the year 1666; the variation was here 34 minutes to the west; and in the year 1734; the variation was somewhat more than 1 degree west。  In order to find the variation of the needle with the least error possible; the seamen take this method:  they observe the point the sun is in by the compass; any time after its rising; and then take the altitude of the sun; and in the afternoon they observe when the sun comes to the same altitude; and observe the point the sun is then in by the compass; for the middle; between these two; is the true north or south point of the compass; and the difference between that and the north or south upon the card; which is pointed out by the needle; is the variation of the compass; and shows how much the north and south; given by the compass; deviates from the true north and south points of the horizon。  It appears clearly; from what has been said; that in order to arrive at the certain knowledge of the variation; and of the variation of that variation of the compass; it is absolutely requisite to have from time to time distinct accounts of the variation as it is observed in different places:  whence the importance of Captain Tasman's remarks; in this respect; sufficiently appears。  It is true that the learned and ingenious Dr。 Halley has given a very probable account of this matter; but as the probability of that account arises only from its agreement with observations; it follows those are as necessary and as important as ever; in order to strengthen and confirm it。
  CHAPTER III:  REMARKS ON THE VARIATION OF THE NEEDLE。
  On the 6th of November; I was in 49 degrees 4 minutes south latitude; and in the longitude of 114 degrees 56 minutes; the variation was at this time 26 degrees westward; and; as the weather was foggy; with hard gales; and a rolling sea from the south…west and from the south; I concluded from thence that it was not at all probable there should be any land between those two points。  On November 15th I was in the latitude of 44 degrees 33 minutes south; and in the longitude of 140 degrees 32 minutes。  The variation was then 18 degrees 30 minutes west; which variation decreased every day; in such a manner; that; on the 21st of the same month; being in the longitude of 158 degrees; I observed the variation to be no more than 4 degrees。  On the 22nd of that month; the needle was in continual agitation; without resting in any of the eight points; which led me to conjecture that we were near some mine of loadstone。
  This may; at first sight; seem to contradict what has been before laid down; as to the variation; and the causes of it:  but; when strictly considered; they will be found to agree very well; for when it is asserted that veins of loadstone have nothing to do with the variation of the compass; it is to be understood of the constant variation of a few degrees to the east; or to the west:  but in cases of this nature; where the variation is absolutely irregular; and the needle plays quite round the compass; our author's conjecture may very well find place:  yet it must be owned that it is a point far enough from being clear; that mines of loadstone affect the compass at a distance; which; however; might be very easily determined; since there are large mines of loadstone in the island of Elba; on the coast of Tuscany。
  CHAPTER IV:  HE DISCOVERS A NEW COUNTRY TO WHICH HE GIVES THE NAME OF VAN DIEMEN'S LAND。
  On the 24th of the same month; being in the latitude of 42 degrees 25 minutes south; and in the longitude of 163 degrees 50 minutes; I discovered land; which lay east…south…east at