SATURDAY-MORNING SESSION. Page. Report on dairy products. By J. M. Bartlett.. Report on phosphoric acid. By J. M. McCandless. Thomas slag. By J. B. Lindsey. Valuation of phosphoric acid in basic slag. By H. D. Haskins.. Report on foods and feeding stuffs. By Fred W. Morse. 140 148 151 152 159 The determination of acidity in cattle feeds. By John Phillips Street. 160 164 Report on the separation of nitrogenous bodies: Milk and cheese proteids. By 167 Report on sugar. By A. H. Bryan and Fritz Zerban. 168 Detection of small percentages of commercial glucose in sirups and honey. By 180 Report of Committee A on recommendations of referees. By R. J. Davidson.. 183 184 Report of committee on fertilizer legislation.. 185 Report of committee on the revision of methods. By J. K. Haywood.. 187 187 189 190 MONDAY-MORNING SESSION. Methods relating to the rate of decomposition of organic matter in the soil. By 191 The possibilities of muscovado sugar as an adulterant for maple products. By 196 Notes on the Winton lead number of mixtures of cane and maple sirup. By 198 The determination of fusel oil by alkaline permanganate. By A. S. Mitchell and C. R. Smith...... 199 Methods of analysis of distilled spirits. By L. M. Tolman and W. E. Hillyer.. 206 213 Determination of starch in cocoa products. By W. L. Dubois....... 214 MONDAY-AFTERNOON SESSION. Examination of oysters. By W. D. Bigelow.... 215 Simple tests for detecting bleaching in flour. By A. L. Winton and E. J. 216 A modification of the Bamihl test for detecting wheat flour in rye flour. By 217 Moisture determinations without the aid of heat. By P. F. Trowbridge. ILLUSTRATIONS. FIG. 1. Apparatus for determining volatile and fixed acids in wine.. 2. Graphic of collaborators' results on amyl alcohol by the Allen-Marquardt method and the proposed modification.................... 3. Direct determinations of total nitrogen and ammonia and changes in the nitrogenous constituents (soluble in ice water) of fresh, cold-stored, and preserved chicken meat, during seven days.... 4. Changes taking place during seven days in the nitrogenous constituents (water-soluble at room temperature) of fresh, cold-stored, and preserved chicken meat..... 5. Comparison of three methods for the determination of amyl alcohol.... 6. Bamihl gluten test.. (5) PROCEEDINGS OF THE TWENTY-FIFTH ANNUAL CONVENTION OF THE ASSOCIATION OF OFFICIAL AGRI CULTURAL CHEMISTS. FIRST DAY. THURSDAY-MORNING SESSION. The twenty-fifth annual convention of the Association of Official Agricultural Chemists was called to order by the president, Mr. Harry Snyder, of St. Anthony Park, Minnesota, on the morning of November 12, in the Annex Hall of the Normandie Hotel, Washington, D. C. Two hundred and sixteen members and visitors registered during the convention, constituting the largest attendance ever recorded. The list is as follows: MEMBERS AND VISITORS PRESENT. Adams, Arthur B., Bureau of Internal Revenue, Washington, D. C. Albrech, Maximilian C., U. S. Food and Drug Inspection Laboratory, Pittsburg, Pa. Allen, Robert McD., Agricultural Experiment Station, Lexington, Ky. Alwood, William Bradford, "Stonehenge" Laboratories, Charlottesville, Va. Amoss, Harold L., Bureau of Chemistry, Washington, D. C. Averitt, S. D., Agricultural Experiment Station, Lexington, Ky. Bailey, Herbert S., Bureau of Chemistry, Washington, D. C. Baker, E. L., Geneva, N. Y. Balcom, R. Wilfred, Food and Drug Inspection Laboratory, New York, N. Y. Barnard, Harry E., State Food and Dairy Commission, Indianapolis, Ind. Bates, Carleton, Bureau of Chemistry, Washington, D. C. Beal, W. H., Office of Experiment Stations, Washington, D. C. Boyles, Frank M., Bureau of Chemistry, Washington, D. C. Breazeale, James Frank, Bureau of Chemistry, Washington, D. C. Breckenridge, John E., American Agricultural Chemical Company, New York, N. Y. Bridges, Benjamin H., Food and Drug Analyst to State of Florida, Tallahassee, Fla. Bryan, A. Hugh, Bureau of Chemistry, Washington, D. C. Bryan, Thomas J., State Analyst, Chicago, Ill. Burnet, Wallace C., U. S. Food and Drug Inspection Laboratory, Savannah, Ga. Burnett, Lyle B., Bureau of Chemistry, Washington, D. C. Campbell, Walter Gilbert, Bureau of Chemistry, Washington, D. C. Carpenter, Frank B., Virginia-Carolina Chemical Company, Richmond, Va. Carroll, John S., German Kali Works, Atlanta, Ga. Castleman, Philip, Department of Agriculture, Washington, D. C. Cathcart, Charles S., Agricultural Experiment Station, New Brunswick, N. J. Cavanaugh, George W., State College of Agriculture, Cornell University, Ithaca, N. Y. Chace, E. M., Bureau of Chemistry, Washington, D. C. Chapin, Robert M., Bureau of Animal Industry, Washington, D. C. Chesnut, Victor King, Bureau of Chemistry, Washington, D. C. Church, C. G., Bureau of Chemistry, Washington, D. C. Cochran, C. B., Department of Agriculture, West Chester, Pa. Collins, Arthur T., Philadelphia, Pa. Collins, Paul, Agricultural College, College Park, Md. Collins, William Dennis, Bureau of Chemistry, Washington, D. C. Cook, Frank C., Bureau of Chemistry, Washington, D. C. Davidson, Robert James, Polytechnic Institute, Washington, D. C. Deemer, Ralph B., College Park, Md. Denis, Willey, Bureau of Chemistry, Washington, D. C. Dietrich, Harry W., Noblesville, Ind. Dodge, C'. O., Bureau of Chemistry, Washington, D. C. Donk, M. G., Bureau of Chemistry, Washington, D. C. Doolittle, Roscoe E., U. S. Food and Drug Inspection Laboratory, New York, N. Y. Doran, James M., Bureau of Internal Revenue, Washington, D. C. Dorset, Marion, Bureau of Animal Industry, Washington, D. C. Doyle, Aida M., Bureau of Chemistry, Washington, D. C. Dubois, Wilbur Latimer, U. S. Food and Drug Inspection Laboratory, Buffalo, N. Y. Dunbar, Paul B., Bureau of Chemistry, Washington, D. C. Dunlap, F. L., Bureau of Chemistry, Washington, D. C. Eaton, Edgar O., Bureau of Chemistry, Washington, D. C. Edmond, Herman D., Agricultural Experiment Station, Storrs, Conn. Feldstein, Leonard, Department of Agriculture, Washington, D. C. Fetzer, Lewis William, College Park, Md. Fischer, Louis A., Bureau of Standards, Washington, D. C. Forst, Leo B., Bureau of Internal Revenue, Washington, D. C. Fox, Paul J., Bureau of Chemistry, Washington, D. C. Frear, Julia Reno, State College, Pa. Frear, William, Agricultural Experiment Station, State College, Pa. Fuller, F. D., Department of Agriculture, Harrisburg, Pa. Fuller, Henry C., Bureau of Chemistry, Washington, D. C. |