The Beagle Diary was later used to write Darwin's famous book 'Voyage of the Beagle' (1839). The narrative of the surveying voyages of His Majesty's Ships Adventure and Beagle between the years 1826 and 1836. Darwin describes each day of the voyage, some in intimate detail, during the Beagle's circumnavigation of the globe.
7th August 1832
Montevideo To my great grief it is not deemed prudent to walk in the country, so that I was obliged to go ashore to the dirty town of M. Video. After dinner went out collecting to Rat Island.