Published online by Cambridge University Press: 27 March 2009
The present communication is intended as a contribution to the study of the capacity of soils to retain moisture in equilibrium with the atmosphere. The experimental material with which it deals consists in part of the analytical data obtained in the investigation of one hundred soils of the county of Dorset, which has been carried out for the County Council, and in part of a series of determinations made for the purpose of elucidating this problem.
page 306 note 1 Convenient methods for calculating the coefficient of correlation are given on pages 64–72 of “The Measurements of Groups and Series,” by my colleague Mr A. L. Bowley, M.A., F.S.S.
page 311 note 1 Standard deviation or deviation of mean square