TY - JOUR T1 - Preliminary Notes on the Nature of the Sea-Bottom Procured by the Soundings of H.M.S. 'Challenger' during Her Cruise in the Southern Sea in the Early Part of the Year 1874 JF - Proceedings of the Royal Society of London (1854-1905) VL - 23 SP - 32 EP - 49 PY - 1874/01/01/ UR - http://dx.doi.org/10.1098/rspl.1874.0006 M3 - doi:10.1098/rspl.1874.0006 AU - Thomson, C. ER -