RIO GRANDE, NEW JERSEY; KENNER, LOUISIANA; CONWAY SPRINGS, DOUGLASS, AND STERLING, KANSAS. WASHINGTON: 14056—Bull. 20 -1 LETTER OF SUBMITTAL. DECEMBER 19, 1888. SIR: I have the honor to submit herewith the manuscript of Bulletin No. 20, being the report of experiments in the manufacture of sugar from sorghun conducted by your direction during the season of 1888. Respectfully, H. W. WILEY, Chemist. Hon. NORMAN J. COLMAN, Commissioner of Agriculture. 3 |