 Humboldt returned to the incident in several of his later writings, including his travelogue "Personal Narrative" (1814–29), "Views of Nature" (1807), and "Aspects of Nature" (1849).Two months later, they explored the territory of the Maypures and that of the then-recently extinct Aturès Indians.Humboldt laid to rest the persistent myth of Walter Raleigh's Lake Parime by proposing that the seasonal flooding of the Rupununi savannah had been misidentified as a lake.