seize or
take possession of anything discovered in his said region by the said
King of Portugal; and should their said ships find anything before
crossing the said line, as aforesaid, it shall belong to the said
King of Portugal, and their Highnesses shall order it surrendered
immediately. And since it is possible that the ships and subjects of
the said King and Queen of Castilla, Leon, etc., or those acting in
their name, may discover within the next twenty days of this present
month of June following the date of this treaty, some islands and
mainlands within the said line, drawn straight from pole to pole,
that is to say, inside the said three hundred and seventy leagues
west of the Cabo Verde islands, as aforesaid, it is hereby agreed
and determined, in order to remove all doubt, that all such islands
and mainlands found and discovered in any manner whatsoever up to the
said twentieth day of this said month of June, although found by ships
and subjects of the said King and Queen of Castylla, Aragon, etc.,
shall pertain to and remain forever in the possession of the said
King of Portugal and the Algarbes, and of his successors and kingdoms,
provided that they lie within the first two hundred and fifty leagues
of the said three hundred and seventy leagues reckoned west of the
Cabo Verde islands to the above-mentioned line,--in whatsoever part,
even to the said poles, of the said two hundred and fifty leagues they
may be found, determining a boundary or straight line from pole, to
pole, where the said two hundred and fifty leagues end. Likewise all
the islands and mainlands found and discovered up to the said twenty
days of this present month of June, by the ships and subjects of the
said King and Queen of Castilla, Aragon, etc., or in any other manner,
within the other one hundred and twenty leagues that still remain of
the said three hundred and seventy leagues where the said bound that
is to be drawn from pole to pole, as aforesaid, must be determined,
and in whatever part of the said one hundred and twenty leagues,
even to the said poles that they are found up to the said day, shall
pertain to and remain forever in the possession of the said King and
Queen of Castilla, Aragon, etc., and of their successors and kingdoms;
just as whatever is or shall be found on the other side of the said
three hundred and seventy leagues pertaining to their Highnesses, as
aforesaid, is and must be theirs, although the said one hundre