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FERNANDO NORONHA. 
JOURNAL 
CHAPTER I 
Porto Praya—Ribeira Grande—Atmospheric Dust with Infusoria—Habits of a Sea- 
slug and Cuttle-fish—St. Paul’s Rocks, non-volcanic—Singular Incrustations— 
Insects the first Colonists of Islands—Fernando Noronha—Bahia—Burnished 
Rocks—Habits of a Diodon—Pelagic Confervas and Infusoria—Causes of dis¬ 
coloured Sea. 
ST. JAGO-CAPE DE VERD ISLANDS 
After having been twice driven back by heavy south-western 
gales, Her Majesty’s ship Beagle , a ten-gun brig, under the 
command of Captain Fitz Roy, R.N., sailed from Devonport 
on the 27th of December 1831. The object of the expedi¬ 
tion was to complete the survey of Patagonia and Tierra del 
Fuego, commenced under Captain King in 1826 to 1830—to 
survey the shores of Chile, Peru, and of some islands in the 
Pacific—and to carry a chain of chronometrical measurements 
round the World. On the 6th of January we reached Teneriffe, 
but were prevented landing, by fears of our bringing the cholera: 
the next morning we saw the sun rise behind the rugged outline 
of the Grand Canary Island, and suddenly illumine the Peak of 
B 
