SPECIAL ARTICLES.—Remarks on nature of cyclones and anticyclones [with list of references]; by Julius Hann.—Halos and precipitation at Wauseon, Ohio; by J. M. Kirk.—Light pillars, extract; by [J. M.] Pertner [Pernter] & [Felix M.] Exner.—On halos, extract; by Charles S. Hastings.—Systematic explorations of upper air with estimates of cost; by Mark W. Harrington.—Extracts from annual report of Smithsonian Astrophysical Observatory, C. G. Abbot, director.—On method for classifying winters, by Alfred Angot; translated by R. E. Edwards.—Washington and Paris winters; by Cleveland Abbe, jr.—On method for classifying summers, by Alfred Angot; translated by R. E. Edwards.—Drought at New York City; by CD. Reed.