(1) Tables for Statisticians and Biometricians, Part II. Edited by Prof. Karl Pearson, F.R.S., Galton Professor, University of London. [First edition. 4to. Pp. ccl + 262. Issued by the Biometric Laboratory, University College, London, and printed at the Cambridge University Press. Price 30s.] - (2) British Association for the Advancement of Science. Mathematical Tables, Vol. I. [Pp. xxxvi + 72. Office of the British Association, Burlington House, London. Price 10s.]