Obituary notices: Sir William Waters Butler, Bart., 1866–1939; William Alfred Davis, 1875–1939; David Lloyd Howard, 1866–1939; Henry F. E. Hulton, 1874–1939; Léon Antonin Jaloustre, 1882–1938; Albert Theodore King, 1885–1939; Thomas Edward Lescher, 1877–1938; Alexander Macgillivray Neilson, 1872–1939; George Arthur Pingstone, 1868–1939; Eloi Ricard, Latimer Alexander Rumble, 1873–1938; Alexander Scott Russell, 1894–1939; Arthur Smithells, 1860–1939; Sidney Williamson, 1867–1939