[Text on p. 2 and 4 of cover.] * For Sale by Superintendent of Documents. Paper, 15c. single copy, $1.50 a yr.; foreign subscription, $2.25.
Notes:
NOTE.—The Monthly weather review contains (1) meteorological contributions and bibliography, (2) an interpretative summary and charts of the weather of the month in the United States, and on adjacent oceans, and (3) climatological tables dealing with the weather of the month. The contributions are principally as follows: (a) results of observational or research work in meteorology carried on in the United States or other parts of the world, (b) abstracts or reviews of important meteorological papers and books, and (c) notes.
SPECIAL ARTICLES.—Interpretation of correlation coefficients; by C. F. Marvin.—On interpretation of correlation coefficients in analysis of causal relations in physical phenomena [with list of literature cited]; by Edgar, W. Woolard.—Study of possibility of economic value in statistical investigations of rainfall periodicities; by Dinsmore Alter.—Thunderstorm at Cincinnati and its relation to electrical power service, by W. C. Devereaux; [with Can thunderstorms be classified? by Alfred J. Henry].—Weather and forest inflammability in southern Appalachians; by B. P. McCarthy.—Lightning storms and forest fires in State of Washington [with list of literature cited]; by George W. Alexander.—March temperature and following season's precipitation in coastal southern California; by George M. French.—Formulae for vapour pressure of ice and of water below 0° C.; by F. J. W. Whipple.—Seasonal rainfall to any date; by C. E. Grunsky.—Positions and areas of sun spots; communicated by Edwin T. Pollock, data furnished by Naval Observatory in cooperation with Harvard, Yerkes, and Mount Wilson observatories.
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* For Sale by Superintendent of Documents. Paper, 15c. single copy, $1.50 a yr.; foreign subscription, $2.25.