22 



No. 78. The Influence of Environment upon the Composition of the Sugar Beet, 

 Including a Study of Irrigated Sections, 1902. By H. W. Wiley. 1903. Pp. 50, 

 figs. 5. Price 5 cents. 



No. 79. The Testing of Road Materials, Including Methods Used and Results 

 Obtained in the Road Material Laboratory. By Logan Waller Page, Chief, Road 

 Material Laboratory, with the cooperation of Allerton S. Cushman and in collabora- 

 tion with the Office of Public Road Inquiries. 1903. Pp. 77, pis. 5, figs. 10. Price 

 10 cents. In hands of Superintendent of Documents only.^ 



No. 80. Adulterated Drugs and Chemicals. I. Inferior Drugs and Insidious 

 Methods of Deception. II. Rose Geranium Oil and Its Substitutes. III. Phe- 

 nacetin: Methods of Analysis and Commercial Status. By Lyman F. Kebler, Chief 

 of Drug Laboratory. 1904 and 1906. Pp. 47. Price 5 cents. 



No. 81. Proceedings of the Twentieth Annual Convention of the Association of 

 Official Agricultural Chemists, held at Washington, D. C., November 19, 20, and 21, 

 1903. Edited by H. W. Wiley. 1904. Pp. 252. Price 15 cents. 



No. 82. Paris Green Spraying Experiments. By J. K. Haywood, Chief of In?cti- 

 cide and Agricultural Water Laboratory, in collaboration with the Division of En- 

 tomology, U. S. Department of Agriculture, and the Agricultural Experiment Sta- 

 tions of Maryland, New York, New Hampshire, Rhode Island, South Carolina, and 

 Oregon. 1904. Pp. 32, pis. 2. Price 5 cents. 



No. 83. Part I. Foods and Food Control. I. Legislation During the Year Ended 

 July 1, 1903. ByW.D.Bigelow, Chief, Division of Foods. 1904. Pp. 157. Price 

 10 cents. (Superseded by Bui. 69, revised.) 



No. 83. Part II. Foods and Food Control. II. Legislation During the Year Ended 

 July 1, 1904. By W. D. Bigelow, Chief, Division of Foods. 1905. Pp. 23. Price 

 5 cents. (Superseded by Bui. 69, revised.) 



No. 84. Influence of Food Preservatives and Artificial Colors on Digestion and 

 Health. Part I. Boric Acid and Borax. By H. W T . Wiley, M. D., Chief of Bureau, 

 with the collaboration of W. D. Bigelow, Chief of the Division of Foods. 1904. Pp. 

 477, figs. 8. Price 30 cents. (Circular 15 gives a digest of this detailed report.) 



No. 84. Part II. Salicylic Acid and Salicylates. By H. W. Wiley, M. D., with 

 the collaboration of W. D. Bigelow, Chief of the Division of Foods, F. C. Weber, 

 and others. 1906. Pp. 280, figs. 3. Price 30 cents. (Circular 31 gives a digest 

 of this report.) 



No. 84. Part III. Sulphurous Acid and Sulphites. 1907. Pp. 280, figs. 3. Price 

 30 cents. (Circular 37 gives a digest of this report.) 

 ~4. Part IV. Benzoic Acid ; 



No. 84. Part IV. Benzoic Acid and Benzoates. 1908. Pp. 252, figs. 2. Price 30 

 cents. (Circular 39 gives a digest of this report.) (In hands of Superintendent of 

 Documents only.) 



No. 84. Part V. Formaldehyde. 1908. Pp. 215, figs. 4. Price 25 cents. Cir- 

 cular 42 gives a digest of this report. 



No. 85. The Cementing Power of Road Materials. By Logan Waller Page, Chief, 

 Division of Tests, and Allerton S. Cushman, Chemist. 1904. Pp. 30, pi. 1, fig. 1. 

 Price 5 cents. 



No. 86. Arsenic in Papers and Fabrics. By J. K. Haywood, Chief, Insecticide 

 and Agricultural Water Laboratory, with the collaboration of H. J. Warner, Assistant 

 Chemist. 1904. Pp. 53. Price 5 cents. 



No. 87. Some Tropical Fruits and Then* Products: Chemical Composition. I. 

 A Study of Cuban Fruits. II. The Composition of Fresh and Canned Pineapples. 

 By E. M. Chace, L. M. Tolman, and L. S. Munson, Assistant Chemists, Division 

 of Foods. 1904. Pp. 38. Price 5 cents. 



No. 88. The Chemical Composition of Apples and Cider. I. The Composition 

 of Apples in Relation to Cider and Vinegar Production. II. The Composition of 

 Cider as Determined by Dominant Fermentation with Pure Yeasts. By Wm. B. 

 Alwpod, R. J. Davidson, and Wm. A. P. Moncure, Virginia Agricultural Experiment 

 Station. 1904. Pp. 46. Price 5 cents. 



No. 89. Injury to Vegetation by Smelter Fumes. By J. K. Haywood, Chief, 

 Insecticide and Agricultural Water Laboratory. 1905. Pp. 23, pis. 6, fig. 1. Price 

 5 cents. 



No. 90. Proceedings of the Twenty-first Annual Convention of the Association 

 of Official Agricultural Chemists, held at St. Louis, Mo., September 26, 27, and 28, 



1904. Edited by H. W. Wiley, Chief of Bureau and Secretary of the Association. 



1905. Pp. 254, figs. 2. Price 15 cents. 



No. 91. Mineral Waters of the United States. I. Classification and Methods of 

 Analysis. II. Commercial W T aters. III. Saratoga Waters Sampled at Source. By 

 J. K. Haywood, Chief, Miscellaneous Laboratory, with the collaboration of B. H. 

 Smith, Assistant Chemist. 1905. Pp. 100. Price 10 cents. 

 [Cir. 14] 



