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.
Charles Darwin's Beagle library books; those most valuable of all valuable things Darwin to Catherine Darwin 1833. The voyage of the Beagle (1831-1836) was one of the most important scientific expeditions in history. On board was the young naturalist Charles Darwin. His investigations would change science and the world forever. There was no sudden discovery on the Galapagos sparked by the finches as popular legend has it.