Under
this supposition we must believe that the various organised bodies
are produced in certain favourable places, and are thence removed
by the set of either wind or water. I confess, however, there is a
very great difficulty in imagining any one spot to be the
birthplace of the millions of millions of animalcula and confervae:
for whence come the germs at such points?--the parent bodies having
been distributed by the winds and waves over the immense ocean. But
on no other hypothesis can I understand their linear grouping. I
may add that Scoresby remarks that green water abounding with
pelagic animals is invariably found in a certain part of the Arctic
Sea.
(PLATE 7. CATAMARAN (BAHIA).)
CHAPTER II.
(PLATE 8. BOTOFOGO BAY, RIO DE JANEIRO.)
Rio de Janeiro.
Excursion north of Cape Frio.
Great Evaporation.
Slavery.
Botofogo Bay.
Terrestrial Planariae.
Clouds on the Corcovado.
Heavy Rain.
Musical Frogs.
Phosphorescent Insects.
Elater, springing powers of.
Blue Haze.
Noise made by a Butterfly.
Entomology.
Ants.
Wasp killing a Spider.
Parasitical Spider.
Artifices of an Epeira.
Gregarious Spider.
Spider with an unsymmetrical Web.
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