On the 10th of January we caught sight of several sea-turtles and a
whale. The latter was only a young one, about forty feet long.
11th January. We were now off the Rio Plata, {59} and found the
temperature very perceptibly cooler.
Up to the present time we had seen no signs of sea-tangle or
molluscae, but during the night we beheld some molluscae for the
first time, shining like stars at a great depth below the surface of
the water.
In these latitudes the constellation of the southern cross keeps
increasing in brilliancy and beauty, though it is far from being as
wonderful as it is said to be. The stars in it, four in number, and
disposed somewhat in the following manner, **** are, it is true,
large and splendid; but they did not excite, either in myself or any
other person of our company, much more admiration than the other
constellations.
As a general rule, many travellers exaggerate a great deal. On the
one hand, they often describe things which they have never seen
themselves, and only know from hearsay; and, on the other, they
adorn what they really have seen with a little too much imagination.