Moseley, H. N. (Henry Nottidge) - Notes by a naturalist on the "Challenger", being an account of various observations made during the voyage of H.M.S. "Challenger" around the world, in the years 1872-1876, under the commands of Capt. Sir G. S. Nares and Capt. F. T. Thomson, London, Macmillan and Co., 1879.
http://www.archive.org/details/notesbynaturalis00mose
Vide: Chapter II ( Azores, Madeira, Cape Verdes)