March 1911 Issue [Article] Exploring the ocean’s floor Download PDF Adjust Share The deep sea expedition of the Michael Sars by John, Sir Murray, Subscribe or log in to continue reading. Tags 19th century 20th century Atlantic Ocean Challenger Expedition, 1872-1876 Deep-sea animals Deep-sea sounding Johan Hjort John, Sir Murray Marine biology Michael Sars (Ship) Norway Oceanography Research Adjust Share