Bearing this caution in mind the existing bathymetrical charts, amongst which that of the prince of Monaco stands first, give a very fair idea of the great features of the bed of the oceans.
A Bathymetrical Survey of the Freshwater Lochs of Scotland, under the direction of Sir John Murray and L.
A bathymetrical chart of the oceans, by Professor J.
Mill, "Bathymetrical Survey of the English Lakes," Geographical Journal, vi.
The whole of the available data were utilized by the prince of Monaco in 1905 in the preparation of a complete bathymetrical map of the oceans on a uniform scale, which must long remain the standard work for reference on ocean depths.