The most common presenting complaint of DID is depression, with headaches being a common neurological symptom. Co-morbid disorders can include substance abuse, eating disorders, and anxiety. Things like posttraumatic stress disorder (PTSD) and personality disorders are introjected behaviors only.
Fourteen of them were the notebooks Darwin used on his shore excursions during the voyage of the Beagle (1831-1836). This is the first complete edition of these important notebooks, thirty years in the making. The notebooks were also published in 2009 as a book: Gordon Chancellor and John van Wyhe eds.
A lavish five-volume set, The Zoology of the Voyage of H.M.S. Beagle, was published from 1839 to 1843. And in 1839 Darwin published a classic book under its original title, Journal of Researches. The book was later republished as The Voyage of the Beagle, and remains in print to this day.