Captain Fitzroy’s Journal
On the 6th of September Mr. Usborne sailed. He was to commence near Paposo; work along the coast thence to Guayaquil, and afterwards return to Callao.
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.