Physics and Chemistry Volume 1
Part I. Report on Researches into the Composition of Ocean-Water, collected by H.M.S. Challenger, during the years 1873-1876.
By William Dittmar
Part II. Report on the Specific Gravity of Samples of Ocean-Water, observed on board H.M.S. Challenger, during the years 1873-1876.
By J.Y. Buchanan
Part III. Report on the Deep-Sea Temperature Observations of Ocean-Water, taken by the Officers of the Expedition, during the years 1873-1876.