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— The third day of the recent annual meeting of this Association in St. Louis was occupied chiefly in listening to papers on Cattle Diseases, and especially on "Texas Cattle Fever," by Dr. W. B. Conery, of Missouri, and Dr. A. M. Partridge, of Indiana; on Malaria Protectives, by Dr. G. B. Thornton, of Tennessee; on The Importance of Water Analyses, both Chemical and Microscopical, by Dr. Charles Smart, of the U. S. Army, and Thad. M. Stevens, of Indiana; on The Pollution of the Waters of the Upper Ohio, by Dr. J. E. Reeves, of West Virginia (which may be found in full in this number of the Journal); on The Relation of Depth of Water in Wells to the Causation of Typhoid Fever, by Dr. H. B. Baker, of Michigan; and The Use of Polluted Well Water in the Manufacture of Soda Water in St. Louis, by Dr.