Natural history and evolution of dolphins : short history of dolphin anatomy -- General appearance and hydrodynamics (including skin anatomy) -- Locomotion (including osteology and myology) -- Diving : breathing, respiration, and the circulatory system -- Head and senses -- Brain, spinal cord, and cranial nerves -- Body control : the endocrine system and the peripheral nervous system -- Feeding and the digestive system -- Urinary system, genital systems, and reproduction -- Neurobiology and the evolution of dolphins.