ACROSS UNKNOWN SOUTH AMERICA 
It had a width of 700 metres. A small island 50 metres 
in diameter, chiefly formed of accumulated rounded rocks 
which had rolled down and deposits of gravel, had formed 
in the centre of the stream. Beyond it a charming little 
island, 180 metres long, Germaine Island, was found, on 
which we made our camp. It had an extensive gravel 
beach, on which I found beautiful crystals and pebbles of 
wonderfully coloured marble. 
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