Monte Video -- Excursion to R. Polanco -- Lazo and Bolas --
Partridges -- Absence of Trees -- Deer -- Capybara, or River
Hog -- Tucutuco -- Molothrus, cuckoo-like habits -- Tyrant-
flycatcher -- Mocking-bird -- Carrion Hawks -- Tubes formed
by Lightning -- House struck.


July 5th, 1832 -- In the morning we got under way, and stood
out of the splendid harbour of Rio de Janeiro. In our passage
to the Plata, we saw nothing particular, excepting on one day
a great shoal of porpoises, many hundreds in number. The whole
sea was in places furrowed by them; and a most extraordinary
spectacle was presented, as hundreds, proceeding together by
jumps, in which their whole bodies were exposed, thus cut the
water. When the ship was running nine knots an hour, these
animals could cross and recross the bows with the greatest of
ease, and then dash away right ahead. As soon as we entered
the estuary of the Plata, the weather was very unsettled. One
dark night we were surrounded by numerous seals and penguins,
which made such strange noises, that the officer on watch
reported he could hear the cattle bellowing on shore. On a
second night we witnessed a splendid scene of natural fireworks;
the mast-head and yard-arm-ends shone with St. Elmo's light;
and the form of the vane could almost be traced, as if it had
been rubbed with phosphorus. The sea was so highly luminous,
that the tracks of the penguins were marked by a fiery wake,
and the darkness of the sky was momentarily illuminated by
the most vivid lightning.

When within the mouth of the river, I was interested by