Milius' narrative of the voyage is written on leaves 3-93 recto (181 written pages of the total 258 1/2). He narrates the voyage of the Naturaliste to 18 May, 1802, when he was landed sick in Sydney, his stay in New South Wales, his voyage to China and thence to the Ile de France, his appointment to the Géographe after the death of Baudin and the voyage of the Géographe to Lorient.