MORE ON CLIMATIC CLASSIFICATION.

Comments on the article written by John E. Oliver entitled "A Genetic Approach to Climatic Classification," previously published in "Annals of the Association of American Geographers." Remarkable features on the genetic approach of Oliver to climatic classification; Determinants of air mass provenance; Illustration on the weakness of the classification; Expectation on a scheme that classifies air masses by temperature without regard to the season of the year.