cover-title, p. 149-201, il. 1 pl. 9 p. of pl. and maps, 4°
Notes:
Notes:
SPECIAL ARTICLES.—Solar and sky radiation measurements during Apr. 1917; by Herbert H. Kimball.—Equation of horizontal rainbows; by Kokichi Otobe.—Improved kite hygrometer and its records; by Willis Ray Gregg.—Anemometer records on Buffalo office building compared with those secured near surface of Lake Erie; by Benjamin C. Kadel.—Some new instruments for oceanographical research; by Hans Pettersson.—On working up precipitation observations [by Hugo Meyer; translation of extracts].—Tornado of Apr. 5, 1917, at Tampa, Fla.; by Walter J. Bennett.—Tornado of Mar. 23, 1917, at New Albany, Ind.; by Ferdinand J. Walz.—Fish killed by cold wave of Feb. 2-4, 1917, in Florida; by Buy H. Finch.—Relation between rainfall and run-off in Hillebrand Glen, Nuuanu Valley, Oahu, Hawaii; by Roger C. Rice.—Missouri earthquake of Apr. 9, 1917; by Ruy H. Finch.—Weather conditions over North Atlantic Ocean during Apr. 1916.