11 



Sindall, Harry E., Weikel & Smith Spice Company, Philadelphia, Pa. 



Skinner, \Y. \V., Bureau of Chemistry, Washington, D. C. 



Spencer, George Carl, Bureau of Chemistry, Washington, D. C. 



Spra^ue, L. P., Board of Health Laboratory, Burlington, Vt. 



Smith, Bernard H., Food and Drug Inspection Laboratory, Boston, Mass. 



Smith, F. G., Department of Agriculture, New Orleans, La. 



Smither, F. II., Bureau of Chemistry, Washington, D. C. 



Snyder, Harry, Agricultural Experiment Station, St. Anthony Park, Minn. 



Speare, Howell Davis, Agricultural Experiment Station, Lexington, Ky. 



Stephenson, C. H., Bureau of Chemistry, Washington, D. C. 



Stewart, Guy Robertson, U. S. Food and Drug Inspection Laboratory, New York, N. Y. 



Stiles, George W., jr., Bureau of Chemistry, Washington, D. C. 



Stone, I. Victor, Maryland Agricultural College, College Park, Md. 



Straughn, M. N., Bureau of Chemistry, Washington, D. C. , 



Stn-.-t, John Phillips, Agricultural Experiment Station, New Haven, Conn. 



Sullivan, Arthur L., Bureau of Chemistry, Washington, I). C. 



Tul>er, Walter 0., Bureau of Chemistry, Washington, D. C. 

 Taylor, .him.- Norman, Bureau of Animal Industry, Washington, D. C. 

 Taylor, S. F., 108 Hudson Street, New York, N. Y. 

 That* her, Arthur S., Bureau of Chemistry, Washington, D. C. 

 Thatcher, R. W., Agricultural Experiment Station, Pullman, Washington. 

 Tolman, L. M., Bureau of Chemistry, Washington, D. C. 

 Trescot, Thomas Cuthbert, Bureau of Chemistry, Washington, D. C. 

 bridge, P. F., Agricultural Experiment Station, Columbia, Mo. 



Valaer, Peter, jr., Bureau of Internal lie venue, Washington, D. C. 



Van Slyke, Lucius Lincoln, Agricultural Experiment Station, Geneva, N. Y. 



V.-iti-h, I . P., Bureau of Chemistry, Washington, D. C. 



Wadr. Harold Rollins, Bureau of Chemistry, Washington. D. C. 

 Waggaman, William 11., Bureau of Soils, Washington, D. C. 



I: hicago, 111. 

 Walker. Perry 11 , Bureau of < h.-mi.Mry. Washington, I>. C. 



M. I ewifl K.. Bureau of Chemistry, Washington, I). C. 

 Wat kins, Howard II., Army Medical Museum, Washington, D. C. 



C., Bureau of Chemistry, Washington, I). < . 

 Wheeler, H. J., Agricultural Experiment Station, Kingston, R. I. 

 \\hittield, James M., City Board of Health, Richmond, Va. 

 Wiley. 11. \\ . Bur.-aii of t 'In'inistry, Washington, D. C. 

 Wiley. S, W.. Wiley A Hoffman. Baltimore, Md. 



Wilhird, Julius T., Agricultural Experiment Station, Manhattan, Kans. 

 Wilson. C. P., Bureau of Chemistry, Washington, I). C. 

 Winton, A 1... Food and Drug Inspection Laboratory, Chicago, 111. 

 Wither*. \\ . A . Agricultural Experiment Station, Raleigh, N. C. 



Ynunir, William J.. Bureau of Chemistry, Washington, D. C. 



REPORT ON FOOD ADULTERATION. 

 By H. F. BARNARD, Referee. 



The demand for analytical data bearing on the composition of normal and abnormal 

 food products that has arisen in the past three years because of the enactment of food 

 le-islation has shown most clearly the absolute necessity for accurate, precise, and 

 at the same time rapid methods for food analysis. It did not at first appear that the 



