BOTOFOGO BAY, RIO 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. 
CHAPTER II 
RIO DE JANEIRO 
April \th to July $th, 1832.—A few days after our arrival 
I became acquainted with an Englishman who was going to 
visit his estate, situated, rather more than a hundred miles 
from the capital, to the northward of Cape Frio. I gladly 
accepted his kind offer of allowing me to accompany him. 
April 8th .—Our party amounted to seven. The first stage 
was very interesting. The day was powerfully hot, and as we 
passed through the woods, everything was motionless, excepting 
the large and brilliant butterflies, which lazily fluttered about. 
The view seen when crossing the hills behind Praia Grande was 
most beautiful ; the colours were intense, and the prevailing tint 
a dark blue ; the sky and the calm waters of the bay vied with 
each other in splendour. After passing through some cul¬ 
tivated country, we entered a forest which in the grandeur of 
all its parts could not be exceeded. We arrived by midday at 
