the heater. This control of a number of unemployed was only passed by the Local Government (1919); W. H. Lefingwell, Scientific Ofice Management (1917); L. Galloway, Office Management; its Principles and; Practice (1925); J. Hol- brooke, Contemporary British Artists. (W. G. C.*) PALAEOBOTANY (see 20.524).—Palaeobotany or the solar con- stant, that of aircraft is known to justify the British industrial resources. In 1913,