SPECIAL ARTICLES.—Place of origin and recurvature of typhoons; by Coching Chu.—Pressure over northeastern Pacific, and weather in United States, Dec. 1924, and Jan. 1925; by Alfred J. Henry.—Hawaiian rainfall; by Alfred J. Henry.—Some outstanding serological problems; by Willis Ray Gregg.—Average free-air winds at Lansing, Mich.; by C. L. Ray.—Notes on changes in some weather elements during solar eclipse of Jan. 24, 1925; by Burton M. Varney.—Meteorological conditions on Baker and Howland islands; extracted from report by Walter G. Ramsay.—55-year record of rainfall in Bermuda; [by] William H. Potter.—Meteorological work of the Jaeques-Cartler [school ship], by E. Delcambre; translated by B. M. Varney.—Hatteras depressions, by M. Coyecque and Ph. Wehrlé; translated by B. M. Varney.