Rain. Seasonal distribution of precipitation and its frequency and intensity in United States, by Joseph B. Kincer; Some characteristics of rainfall of United States, by Robert DeC. Ward [review, by J. B. Kincer]; New seasonal precipitation factor of interest to geographers and agriculturists, by R. M. Harper [abstract, by C. L. M.]; Snowfall of United States, by Robert DeC. Ward [abstract, by C. F. B.].