MENSURATION.
Boole, Treatise on the Calculus of Finite Bibliography.-Geo. Boole, Treatise on the Calculus of Finite Differences (2nd ed., J. F. Moulton, 1872) ; N. E. Norlund, Di$e renzenrechnung (1924, bibl.). An elementary treatment will be found in most books dealing With INTERPOLATION (Q.V.). (W. F. S.)
